{"id":47546,"date":"2026-09-15T09:29:25","date_gmt":"2026-09-15T00:29:25","guid":{"rendered":"https:\/\/genai-ai.co.jp\/ai-kanri\/?p=47546"},"modified":"2026-09-21T09:13:29","modified_gmt":"2026-09-21T00:13:29","slug":"cc-java-api-guide","status":"publish","type":"post","link":"https:\/\/genai-ai.co.jp\/ai-kanri\/blog\/cc-java-api-guide\/","title":{"rendered":"\u30102026\u5e749\u6708\u6700\u65b0\u3011Java\u306eAPI\u3068\u306f\uff1f\u6a19\u6e96API\u306e\u4f7f\u3044\u65b9\u3068\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9\u306e\u8aad\u307f\u65b9\u3092\u5b8c\u5168\u89e3\u8aac\uff5c\u975e\u30a8\u30f3\u30b8\u30cb\u30a2\u304c\u5b66\u7fd2\u30b3\u30b9\u30c8\u3092\u30bc\u30ed\u306b\u3059\u308b\u65b9\u6cd5"},"content":{"rendered":"\n<style>\n.g-flow-row{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;align-items:center;}\n.g-flow-item{background:linear-gradient(135deg,#1a1a1a,#2a1015);color:#fff;border-radius:8px;padding:16px 14px;min-width:130px;flex:1;text-align:center;}\n.g-flow-arrow{color:#dc2626;font-size:20px;font-weight:700;}\n.g-card-row{display:flex;gap:12px;flex-wrap:wrap;margin:0 0 32px;}\n.g-card-row>div{flex:1;min-width:220px;}\n@media(max-width:600px){\n  .g-flow-row{flex-direction:column;}\n  .g-flow-arrow{transform:rotate(90deg);}\n  .g-card-row{flex-direction:column;}\n  .g-card-row>div{min-width:100%;}\n}\n<\/style>\n\n\n\n<div style=\"margin:0 0 32px;\">\n  <img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/09\/thumb-cc-java-api-guide.jpg\" alt=\"\u30102026\u5e749\u6708\u6700\u65b0\u3011Java\u306eAPI\u3068\u306f\uff1f\u6a19\u6e96API\u306e\u4f7f\u3044\u65b9\u3068\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9\u306e\u8aad\u307f\u65b9\u3092\u5b8c\u5168\u89e3\u8aac\uff5c\u975e\u30a8\u30f3\u30b8\u30cb\u30a2\u304c\u5b66\u7fd2\u30b3\u30b9\u30c8\u3092\u30bc\u30ed\u306b\u3059\u308b\u65b9\u6cd5\" style=\"width:100%;height:auto;border-radius:12px;display:block;\">\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u300cJava\u306eAPI\u3063\u3066\u7d50\u5c40\u4f55\u306e\u3053\u3068\uff1f\u300d\u300c\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9\u306e\u8aad\u307f\u65b9\u304c\u5206\u304b\u3089\u306a\u3044\u300d\u2014\u2014\u691c\u7d22\u3067\u3053\u306e\u8a18\u4e8b\u306b\u6765\u305f\u65b9\u306f\u3001\u304a\u305d\u3089\u304f\u7814\u4fee\u3084\u72ec\u5b66\u3067Java\u3092\u5b66\u3073\u59cb\u3081\u3066\u3001\u6700\u521d\u306e\u58c1\u306b\u3076\u3064\u304b\u3063\u3066\u3044\u308b\u3068\u3053\u308d\u3060\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Java\u306b\u306f\u3001\u6587\u5b57\u5217\u64cd\u4f5c\u30fb\u65e5\u4ed8\u51e6\u7406\u30fb\u30d5\u30a1\u30a4\u30eb\u64cd\u4f5c\u30fb\u30e1\u30fc\u30eb\u9001\u4fe1\u306a\u3069\u3001<strong>\u30d7\u30ed\u30b0\u30e9\u30de\u304c\u81ea\u5206\u3067\u30bc\u30ed\u304b\u3089\u66f8\u304b\u306a\u304f\u3066\u3082\u3044\u3044\u6a5f\u80fd<\/strong>\u304c\u300c\u6a19\u6e96API\u300d\u3068\u3057\u3066\u3042\u3089\u304b\u3058\u3081\u7528\u610f\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u6a19\u6e96API\u3092\u4f7f\u3044\u3053\u306a\u305b\u308b\u304b\u3069\u3046\u304b\u304c\u3001Java\u30d7\u30ed\u30b0\u30e9\u30de\u3068\u3057\u3066\u306e\u751f\u7523\u6027\u3092\u5927\u304d\u304f\u5de6\u53f3\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001Java API\u306e\u57fa\u672c\u6982\u5ff5\u304b\u3089Javadoc\uff08\u516c\u5f0f\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9\uff09\u306e\u8aad\u307f\u65b9\u3001\u5b9f\u52d9\u3067\u983b\u51fa\u3059\u308b\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3068\u30af\u30e9\u30b9\u306e\u4f7f\u3044\u65b9\u307e\u3067\u3001\u521d\u5fc3\u8005\u5411\u3051\u306b\u4e00\u3064\u305a\u3064\u6574\u7406\u3057\u3066\u3044\u304d\u307e\u3059\u3002\u3055\u3089\u306b\u5f8c\u534a\u3067\u306f\u3001<strong>\u7d4c\u55b6\u8005\u30fb\u7ba1\u7406\u8077\u306e\u7acb\u5834\u3067\u300c\u3053\u306eAPI\u5b66\u7fd2\u306b\u3069\u308c\u3060\u3051\u6642\u9593\u3092\u4f7f\u3046\u3079\u304d\u304b\u300d\u3092\u5224\u65ad\u3059\u308b\u8996\u70b9<\/strong>\u3068\u3001\u5f0a\u793e\uff08\u682a\u5f0f\u4f1a\u793eGENAI\uff09\u304cClaude Code\u3092\u4f7f\u3063\u3066API\u5b9f\u88c5\u306e\u5de5\u6570\u3092\u3069\u3046\u5727\u7e2e\u3057\u3066\u3044\u308b\u304b\u306e\u5b9f\u30c7\u30fc\u30bf\u3082\u516c\u958b\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"balloon-wrap\">\n  <div class=\"balloon-icon\">\n    <img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/04\/ceo-sugasawa.jpg\" alt=\"\u4ee3\u8868\u83c5\u6fa4\">\n    <span class=\"balloon-name\">\u4ee3\u8868\u83c5\u6fa4<\/span>\n  <\/div>\n  <div class=\"balloon-body\">\u79c1\u81ea\u8eab\u30a8\u30f3\u30b8\u30cb\u30a2\u51fa\u8eab\u3067\u306f\u306a\u3044\u306e\u3067\u3059\u304c\u3001\u4f1a\u793e\u3067\u30b7\u30b9\u30c6\u30e0\u306e\u5185\u88fd\u5316\u3092\u9032\u3081\u308b\u4e2d\u3067\u300cJava\u306eAPI\u3063\u3066\u4f55\uff1f\u300d\u3068\u3044\u3046\u8cea\u554f\u3092\u793e\u5185\u304b\u3089\u4f55\u5ea6\u3082\u53d7\u3051\u307e\u3057\u305f\u3002\u4eca\u65e5\u306f\u305d\u306e\u6642\u306b\u6574\u7406\u3057\u305f\u5185\u5bb9\u3092\u3001\u305d\u306e\u307e\u307e\u304a\u4f1d\u3048\u3057\u307e\u3059\u3002<\/div>\n<\/div>\n\n\n\n<div class=\"balloon-wrap is-right\">\n  <div class=\"balloon-icon\">\n    <img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/04\/yamazaki-avatar.png\" alt=\"AI\u9b3c\u7ba1\u7406\u5c71\u5d0e\">\n    <span class=\"balloon-name\">AI\u9b3c\u7ba1\u7406\u5c71\u5d0e<\/span>\n  <\/div>\n  <div class=\"balloon-body\">Java API\u306f\u7bc4\u56f2\u304c\u5e83\u3044\u306e\u3067\u3001\u4e38\u6697\u8a18\u3057\u3088\u3046\u3068\u3059\u308b\u3068\u632b\u6298\u3057\u307e\u3059\u3002\u4eca\u65e5\u306f\u300c\u3088\u304f\u4f7f\u3046\u3082\u306e\u3060\u3051\u300d\u306b\u7d5e\u3063\u3066\u3001\u5b9f\u52d9\u3067\u56f0\u3089\u306a\u3044\u30ec\u30d9\u30eb\u307e\u3067\u4e00\u6c17\u306b\u6574\u7406\u3057\u307e\u3059\u3002<\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u8a18\u4e8b\u3092\u6700\u5f8c\u307e\u3067\u8aad\u3080\u3068\u3001\u6b21\u306e7\u3064\u304c\u660e\u78ba\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<div style=\"background:#fafafa;border-radius:8px;padding:16px 20px;margin:16px 0;border-left:4px solid #dc2626;\">\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span><strong>Java API\u306e\u6b63\u4f53<\/strong>\u3068\u3001\u306a\u305c\u30a8\u30f3\u30b8\u30cb\u30a2\u304cAPI\u3092\u4f7f\u3044\u3053\u306a\u3059\u5fc5\u8981\u304c\u3042\u308b\u306e\u304b<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span><strong>Javadoc\uff08\u516c\u5f0f\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9\uff09<\/strong>\u306e\u8aad\u307f\u65b9\u3068\u3001\u8ff7\u308f\u305a\u63a2\u305b\u308b\u3088\u3046\u306b\u306a\u308b\u30b3\u30c4<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span><strong>List\u30fbMap\u30fbSet<\/strong>\u3068\u3044\u3046\u983b\u51fa\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306e\u9055\u3044\u3068\u4f7f\u3044\u5206\u3051<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span><strong>String\u30fbFile\u30fbCalendar\u30fbArrayList\u30fbDate\u30fbMath<\/strong>\u3068\u3044\u3046\u983b\u51fa\u30af\u30e9\u30b9\u306e\u57fa\u672c\u7684\u306a\u4f7f\u3044\u65b9<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span><strong>JavaMail\u30fbServlet\u30fbJSON<\/strong>\u306a\u3069\u3001\u696d\u52d9\u30b7\u30b9\u30c6\u30e0\u3067\u3088\u304f\u767b\u5834\u3059\u308b\u305d\u306e\u4ed6\u306eAPI<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span><strong>\u5f0a\u793eGENAI\u306e\u5b9f\u904b\u7528\u30c7\u30fc\u30bf<\/strong>\u3068\u3001API\u5b9f\u88c5\u5de5\u6570\u3092\u3069\u3053\u307e\u3067\u524a\u6e1b\u3067\u304d\u3066\u3044\u308b\u304b\u306e\u5177\u4f53\u6570\u5024<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span><strong>\u7d4c\u55b6\u8005\u304cAPI\u5b66\u7fd2\u306b\u6642\u9593\u3092\u6295\u8cc7\u3059\u3079\u304d\u304b\u3001Claude Code\u306b\u4efb\u305b\u308b\u3079\u304d\u304b<\/strong>\u306e\u5224\u65ad\u57fa\u6e96<\/span><\/div>\n\n<\/div>\n\n\n<div style=\"margin:48px 0 8px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap;\"><a href=\"https:\/\/aikanri.genai-ai.co.jp\/aibpo\/makase\/blog\/?utm_source=blog&#038;utm_medium=h2banner&#038;utm_content=cc-java-api-guide&#038;blog_slug=cc-java-api-guide&#038;blog_title=%E3%80%902026%E5%B9%B49%E6%9C%88%E6%9C%80%E6%96%B0%E3%80%91Java%E3%81%AEAPI%E3%81%A8%E3%81%AF%EF%BC%9F%E6%A8%99%E6%BA%96API%E3%81%AE%E4%BD%BF%E3%81%84%E6%96%B9%E3%81%A8%E3%83%AA%E3%83%95%E3%82%A1%E3%83%AC%E3%83%B3%E3%82%B9%E3%81%AE%E8%AA%AD%E3%81%BF%E6%96%B9%E3%82%92%E5%AE%8C%E5%85%A8%E8%A7%A3%E8%AA%AC%EF%BD%9C%E9%9D%9E%E3%82%A8%E3%83%B3%E3%82%B8%E3%83%8B%E3%82%A2%E3%81%8C%E5%AD%A6%E7%BF%92%E3%82%B3%E3%82%B9%E3%83%88%E3%82%92%E3%82%BC%E3%83%AD%E3%81%AB%E3%81%99%E3%82%8B%E6%96%B9%E6%B3%95&#038;blog_url=https%3A%2F%2Fgenai-ai.co.jp%2Fai-kanri%2Fblog%2Fcc-java-api-guide%2F&#038;utm_campaign=aibpo_makase\" target=\"_blank\" rel=\"noopener\" aria-label=\"AI\u793e\u54e1AIKATA\uff08\u670830\u4e07\u5186\u3067\u696d\u52d9\u307e\u304b\u305b\u653e\u984c\uff09\u306e\u7121\u6599\u76f8\u8ac7 \u4e88\u7d04\u30da\u30fc\u30b8\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/09\/cta_blog_makase_20260904.jpg\" alt=\"AI\u793e\u54e1AIKATA\uff5c\u670830\u4e07\u5186\u306e\u5b9a\u984d\u3067\u5fa1\u793e\u306e\u696d\u52d9\u3092\u307e\u308b\u3054\u3068\u5dfb\u304d\u53d6\u308a\u307e\u3059\uff08\u7121\u6599\u76f8\u8ac760\u5206\uff09\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><a href=\"https:\/\/aikanri.genai-ai.co.jp\/koteihi-line\/?utm_source=blog&#038;utm_medium=h2banner&#038;utm_content=cc-java-api-guide&#038;blog_slug=cc-java-api-guide&#038;blog_title=%E3%80%902026%E5%B9%B49%E6%9C%88%E6%9C%80%E6%96%B0%E3%80%91Java%E3%81%AEAPI%E3%81%A8%E3%81%AF%EF%BC%9F%E6%A8%99%E6%BA%96API%E3%81%AE%E4%BD%BF%E3%81%84%E6%96%B9%E3%81%A8%E3%83%AA%E3%83%95%E3%82%A1%E3%83%AC%E3%83%B3%E3%82%B9%E3%81%AE%E8%AA%AD%E3%81%BF%E6%96%B9%E3%82%92%E5%AE%8C%E5%85%A8%E8%A7%A3%E8%AA%AC%EF%BD%9C%E9%9D%9E%E3%82%A8%E3%83%B3%E3%82%B8%E3%83%8B%E3%82%A2%E3%81%8C%E5%AD%A6%E7%BF%92%E3%82%B3%E3%82%B9%E3%83%88%E3%82%92%E3%82%BC%E3%83%AD%E3%81%AB%E3%81%99%E3%82%8B%E6%96%B9%E6%B3%95&#038;blog_url=https%3A%2F%2Fgenai-ai.co.jp%2Fai-kanri%2Fblog%2Fcc-java-api-guide%2F&#038;utm_campaign=koteihi_shindan\" target=\"_blank\" rel=\"noopener\" aria-label=\"\u516c\u5f0fLINE\u306e\u56fa\u5b9a\u8cbb\u524a\u6e1b\u8a3a\u65ad\uff08\u7121\u6599\u30fb\u7d041\u5206\uff09\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/09\/cta_blog_koteihi_line.jpg\" alt=\"\u5fa1\u793e\u304c\u6e1b\u3089\u305b\u308b\u56fa\u5b9a\u8cbb\u306f\u6708\u3044\u304f\u3089\u304b\uff5c\u516c\u5f0fLINE\u3067\u8cea\u554f\u306b\u7b54\u3048\u308b\u3060\u3051\uff08\u7121\u6599\u30fb\u7d041\u5206\uff09\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><\/div>\n\n\n<div id=\"sec-01\"><\/div>\n<h2 class=\"section-header-img\" style=\"margin:32px 0 24px;border-radius:8px;overflow:hidden;background:linear-gradient(135deg,#1a1a1a 0%,#2a1015 100%);padding:32px 28px;color:#fff;position:relative;border:none;border-left:none;text-align:left;\">\n  <span class=\"section-number\" style=\"display:block;\">01<\/span>\n  <span class=\"section-label\" style=\"display:block;\">WHAT IS API<\/span>\n  <span class=\"section-title\" style=\"display:block;\">Java\u306eAPI\u3068\u306f\u4f55\u304b<\/span>\n  <span class=\"section-desc\">\u300c\u8eca\u8f2a\u306e\u518d\u767a\u660e\u300d\u3092\u3057\u306a\u3044\u305f\u3081\u306e\u4ed5\u7d44\u307f\u3092\u7406\u89e3\u3059\u308b<\/span>\n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">API\uff08Application Programming Interface\uff09\u3068\u306f\u3001<strong>\u3042\u308b\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306e\u6a5f\u80fd\u3092\u3001\u5225\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u304b\u3089\u547c\u3073\u51fa\u3057\u3066\u4f7f\u3046\u305f\u3081\u306e\u300c\u7a93\u53e3\u300d<\/strong>\u306e\u3053\u3068\u3067\u3059\u3002Java\u306e\u4e16\u754c\u3067\u300cAPI\u300d\u3068\u3044\u3046\u8a00\u8449\u304c\u4f7f\u308f\u308c\u308b\u3068\u304d\u3001\u591a\u304f\u306e\u5834\u5408\u306f<strong>Java\u81ea\u4f53\u306b\u6a19\u6e96\u642d\u8f09\u3055\u308c\u3066\u3044\u308b\u6a5f\u80fd\u7fa4\uff08\u6a19\u6e96API\uff09<\/strong>\u3092\u6307\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<div style=\"background:#f8f9fa;border-left:4px solid #6b7280;border-radius:0 8px 8px 0;padding:16px 20px;margin:20px 0;\">\n  <p style=\"margin:0 0 4px;font-size:13px;font-weight:700;color:#6b7280;letter-spacing:1px;\">&#128218; \u7528\u8a9e\u89e3\u8aac<\/p>\n  <p style=\"margin:0;font-size:15px;line-height:1.7;\"><strong>API (Application Programming Interface)<\/strong>\uff1a\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306e\u6a5f\u80fd\u3092\u3001\u4ed6\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u304b\u3089\u547c\u3073\u51fa\u3057\u3066\u5229\u7528\u3059\u308b\u305f\u3081\u306e\u53d6\u308a\u6c7a\u3081\uff08\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\uff09\u3002\u7d4c\u55b6\u306e\u6bd4\u55a9\u3067\u8a00\u3046\u3068\u3001\u793e\u5185\u306e\u300c\u696d\u52d9\u624b\u9806\u66f8\u300d\u3084\u300c\u767a\u6ce8\u66f8\u306e\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u300d\u306b\u8fd1\u3044\u5b58\u5728\u3067\u3059\u3002\u6c7a\u307e\u3063\u305f\u66f8\u5f0f\uff08API\u4ed5\u69d8\uff09\u306b\u5f93\u3063\u3066\u4f9d\u983c\u3092\u51fa\u305b\u3070\u3001\u5185\u90e8\u306e\u8907\u96d1\u306a\u51e6\u7406\u3092\u610f\u8b58\u305b\u305a\u306b\u7d50\u679c\u3060\u3051\u3092\u53d7\u3051\u53d6\u308c\u307e\u3059\u3002<\/p>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u3048\u3070\u300c\u4eca\u65e5\u306e\u65e5\u4ed8\u3092\u53d6\u5f97\u3057\u305f\u3044\u300d\u3068\u3044\u3046\u3068\u304d\u3001\u30d7\u30ed\u30b0\u30e9\u30de\u304c1\u304b\u3089\u65e5\u4ed8\u8a08\u7b97\u306e\u30ed\u30b8\u30c3\u30af\u3092\u66f8\u304f\u5fc5\u8981\u306f\u3042\u308a\u307e\u305b\u3093\u3002Java\u306b\u306f\u65e5\u4ed8\u3092\u6271\u3046\u305f\u3081\u306e<code>Calendar<\/code>\u3084<code>Date<\/code>\u3068\u3044\u3046\u30af\u30e9\u30b9\u304c\u6a19\u6e96API\u3068\u3057\u3066\u7528\u610f\u3055\u308c\u3066\u304a\u308a\u3001\u6570\u884c\u306e\u30b3\u30fc\u30c9\u3092\u547c\u3073\u51fa\u3059\u3060\u3051\u3067\u65e5\u4ed8\u3092\u53d6\u5f97\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1-1. \u306a\u305cAPI\u3092\u899a\u3048\u308b\u5fc5\u8981\u304c\u3042\u308b\u306e\u304b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u300c\u5168\u90e8AI\u306b\u66f8\u304b\u305b\u308c\u3070\u3044\u3044\u306e\u3067\u306f\uff1f\u300d\u3068\u601d\u3046\u65b9\u3082\u3044\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002\u5b9f\u969b\u3001\u5f8c\u8ff0\u3059\u308b\u3088\u3046\u306bClaude Code\u306e\u3088\u3046\u306aAI\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u3092\u4f7f\u3048\u3070\u3001API\u540d\u30921\u3064\u3082\u899a\u3048\u305a\u306b\u30b3\u30fc\u30c9\u3092\u66f8\u3044\u3066\u3082\u3089\u3046\u3053\u3068\u306f\u53ef\u80fd\u3067\u3059\u3002\u3057\u304b\u3057\u3001<strong>\u30a8\u30f3\u30b8\u30cb\u30a2\u3068\u3057\u3066\u63a1\u7528\u3055\u308c\u305f\u3044\u4eba\u3084\u3001AI\u304c\u751f\u6210\u3057\u305f\u30b3\u30fc\u30c9\u306e\u59a5\u5f53\u6027\u3092\u5224\u65ad\u3057\u305f\u3044\u7acb\u5834\u306e\u4eba<\/strong>\u306b\u3068\u3063\u3066\u306f\u3001\u6a19\u6e96API\u306e\u57fa\u790e\u77e5\u8b58\u306f\u4f9d\u7136\u3068\u3057\u3066\u91cd\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6a19\u6e96API\u3092\u899a\u3048\u308b\u3053\u3068\u306e\u672c\u8cea\u7684\u306a\u30e1\u30ea\u30c3\u30c8\u306f\u3001<strong>\u300c\u8eca\u8f2a\u306e\u518d\u767a\u660e\u300d\u3092\u907f\u3051\u3089\u308c\u308b<\/strong>\u3053\u3068\u3067\u3059\u3002\u6587\u5b57\u5217\u64cd\u4f5c\u3001\u65e5\u4ed8\u8a08\u7b97\u3001\u30d5\u30a1\u30a4\u30eb\u8aad\u307f\u66f8\u304d\u3068\u3044\u3063\u305f\u51e6\u7406\u306f\u3001\u4e16\u754c\u4e2d\u306e\u30d7\u30ed\u30b0\u30e9\u30de\u304c\u4f55\u5341\u5e74\u3082\u4f7f\u3044\u5012\u3057\u3066\u3001\u30d0\u30b0\u3092\u6f70\u3057\u3001\u52b9\u7387\u5316\u3057\u3066\u304d\u305f\u300c\u67af\u308c\u305f\u300d\u5b9f\u88c5\u3067\u3059\u3002\u81ea\u5206\u3067\u66f8\u304f\u3088\u308a\u3082\u3001\u6a19\u6e96API\u3092\u6b63\u3057\u304f\u547c\u3073\u51fa\u3059\u65b9\u304c\u3001\u78ba\u5b9f\u6027\u3082\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3082\u9ad8\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<div style=\"background:#f0fdf4;border:1px solid #22c55e;border-radius:8px;padding:20px 24px;margin:24px 0;\">\n  <div style=\"display:flex;align-items:center;gap:8px;margin-bottom:12px;\">\n    <span style=\"font-size:18px;\">&#128161;<\/span>\n    <strong style=\"color:#16a34a;font-size:15px;\">\u6a19\u6e96API\u3068\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3API\u306e\u9055\u3044<\/strong>\n  <\/div>\n  <p style=\"margin:0;font-size:15px;line-height:1.8;color:#333;\">Java\u672c\u4f53\u306b\u6a19\u6e96\u642d\u8f09\u3055\u308c\u3066\u3044\u308bAPI\u3092\u300c\u6a19\u6e96API\u300d\u307e\u305f\u306f\u300cJava SE API\u300d\u3068\u547c\u3073\u307e\u3059\u3002\u4e00\u65b9\u3001Spring Framework\u306e\u3088\u3046\u306bJava\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u3084\u4f01\u696d\u304c\u72ec\u81ea\u306b\u958b\u767a\u30fb\u516c\u958b\u3057\u3066\u3044\u308bAPI\u306f\u300c\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3API\u300d\u307e\u305f\u306f\u300c\u5916\u90e8\u30e9\u30a4\u30d6\u30e9\u30ea\u300d\u3068\u547c\u3070\u308c\u3001\u5225\u9014\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u304c\u5fc5\u8981\u3067\u3059\u3002\u3053\u306e\u8a18\u4e8b\u3067\u306f\u524d\u8005\u306e\u300c\u6a19\u6e96API\u300d\u3092\u6271\u3044\u307e\u3059\u3002<\/p>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">1-2. Java API\u5168\u4f53\u306e\u69cb\u9020\u3092\u3056\u3063\u304f\u308a\u63b4\u3080<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Java API\u306f\u3001\u5927\u304d\u304f\u5206\u3051\u308b\u3068<strong>\u300c\u30d1\u30c3\u30b1\u30fc\u30b8\u300d\u3068\u3044\u3046\u7bb1\u306e\u4e2d\u306b\u3001\u300c\u30af\u30e9\u30b9\u300d\u3068\u300c\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u300d\u304c\u6574\u7406\u3055\u308c\u3066\u3044\u308b<\/strong>\u69cb\u9020\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u30d1\u30c3\u30b1\u30fc\u30b8\u306f\u3001Windows\u306e\u30d5\u30a9\u30eb\u30c0\u306e\u3088\u3046\u306a\u3082\u306e\u3067\u3001\u95a2\u9023\u3059\u308b\u6a5f\u80fd\u3092\u3072\u3068\u307e\u3068\u3081\u306b\u30b0\u30eb\u30fc\u30d7\u5316\u3059\u308b\u4ed5\u7d44\u307f\u3067\u3059\u3002<\/p>\n\n\n\n<table>\n<thead><tr><th>\u8981\u7d20<\/th><th>\u5f79\u5272<\/th><th>\u4f8b<\/th><\/tr><\/thead>\n<tbody>\n<tr><td>\u30d1\u30c3\u30b1\u30fc\u30b8<\/td><td>\u95a2\u9023\u3059\u308b\u30af\u30e9\u30b9\u30fb\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u307e\u3068\u3081\u308b\u7bb1<\/td><td>java.util\uff08\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u30fb\u65e5\u4ed8\u306a\u3069\uff09<\/td><\/tr>\n<tr><td>\u30af\u30e9\u30b9<\/td><td>\u5177\u4f53\u7684\u306a\u6a5f\u80fd\u3092\u6301\u3064\u300c\u30e2\u30ce\u300d\u306e\u8a2d\u8a08\u56f3<\/td><td>String\uff08\u6587\u5b57\u5217\uff09\u3001ArrayList\uff08\u53ef\u5909\u9577\u914d\u5217\uff09<\/td><\/tr>\n<tr><td>\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9<\/td><td>\u300c\u3053\u3046\u3044\u3046\u6a5f\u80fd\u3092\u6301\u3064\u3079\u304d\u300d\u3068\u3044\u3046\u7d04\u675f\u4e8b<\/td><td>List\uff08\u9806\u5e8f\u3042\u308a\u306e\u96c6\u5408\uff09\u3001Map\uff08\u30ad\u30fc\u3068\u5024\u306e\u7d44\uff09<\/td><\/tr>\n<tr><td>\u30e1\u30bd\u30c3\u30c9<\/td><td>\u30af\u30e9\u30b9\u3084\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u304c\u6301\u3064\u300c\u52d5\u4f5c\u300d<\/td><td>length()\uff08\u6587\u5b57\u6570\u3092\u8fd4\u3059\uff09\u3001add()\uff08\u8981\u7d20\u3092\u8ffd\u52a0\uff09<\/td><\/tr>\n<\/tbody>\n<\/table>\n\n\n\n<div style=\"background:#f8f9fa;border-left:4px solid #6b7280;border-radius:0 8px 8px 0;padding:16px 20px;margin:20px 0;\">\n  <p style=\"margin:0 0 4px;font-size:13px;font-weight:700;color:#6b7280;letter-spacing:1px;\">&#128218; \u7528\u8a9e\u89e3\u8aac<\/p>\n  <p style=\"margin:0;font-size:15px;line-height:1.7;\"><strong>\u30d1\u30c3\u30b1\u30fc\u30b8 (package)<\/strong>\uff1a\u95a2\u9023\u3059\u308b\u30af\u30e9\u30b9\u3084\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u30b0\u30eb\u30fc\u30d7\u5316\u3059\u308b\u300c\u30d5\u30a9\u30eb\u30c0\u300d\u306e\u3088\u3046\u306a\u4ed5\u7d44\u307f\u3002\u4f8b\u3048\u3070\u65e5\u4ed8\u3084\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u306b\u95a2\u3059\u308b\u30af\u30e9\u30b9\u306f<code>java.util<\/code>\u30d1\u30c3\u30b1\u30fc\u30b8\u306b\u3001\u5165\u51fa\u529b\u306b\u95a2\u3059\u308b\u30af\u30e9\u30b9\u306f<code>java.io<\/code>\u30d1\u30c3\u30b1\u30fc\u30b8\u306b\u307e\u3068\u3081\u3089\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<\/div>\n\n\n\n<div class=\"balloon-wrap is-right\">\n  <div class=\"balloon-icon\">\n    <img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/04\/yamazaki-avatar.png\" alt=\"AI\u9b3c\u7ba1\u7406\u5c71\u5d0e\">\n    <span class=\"balloon-name\">AI\u9b3c\u7ba1\u7406\u5c71\u5d0e<\/span>\n  <\/div>\n  <div class=\"balloon-body\">\u3044\u304d\u306a\u308a\u5168\u90e8\u306e\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u899a\u3048\u308b\u5fc5\u8981\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u5b9f\u52d9\u3067\u306f<code>java.util<\/code>\u3068<code>java.lang<\/code>\u3001<code>java.io<\/code>\u3042\u305f\u308a\u3092\u62bc\u3055\u3048\u3066\u304a\u3051\u3070\u30018\u5272\u306e\u5834\u9762\u306f\u30ab\u30d0\u30fc\u3067\u304d\u307e\u3059\u3002<\/div>\n<\/div>\n\n\n<div style=\"margin:48px 0 8px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap;\"><a href=\"https:\/\/aikanri.genai-ai.co.jp\/aibpo\/makase\/blog\/?utm_source=blog&#038;utm_medium=h2banner&#038;utm_content=cc-java-api-guide&#038;blog_slug=cc-java-api-guide&#038;blog_title=%E3%80%902026%E5%B9%B49%E6%9C%88%E6%9C%80%E6%96%B0%E3%80%91Java%E3%81%AEAPI%E3%81%A8%E3%81%AF%EF%BC%9F%E6%A8%99%E6%BA%96API%E3%81%AE%E4%BD%BF%E3%81%84%E6%96%B9%E3%81%A8%E3%83%AA%E3%83%95%E3%82%A1%E3%83%AC%E3%83%B3%E3%82%B9%E3%81%AE%E8%AA%AD%E3%81%BF%E6%96%B9%E3%82%92%E5%AE%8C%E5%85%A8%E8%A7%A3%E8%AA%AC%EF%BD%9C%E9%9D%9E%E3%82%A8%E3%83%B3%E3%82%B8%E3%83%8B%E3%82%A2%E3%81%8C%E5%AD%A6%E7%BF%92%E3%82%B3%E3%82%B9%E3%83%88%E3%82%92%E3%82%BC%E3%83%AD%E3%81%AB%E3%81%99%E3%82%8B%E6%96%B9%E6%B3%95&#038;blog_url=https%3A%2F%2Fgenai-ai.co.jp%2Fai-kanri%2Fblog%2Fcc-java-api-guide%2F&#038;utm_campaign=aibpo_makase\" target=\"_blank\" rel=\"noopener\" aria-label=\"AI\u793e\u54e1AIKATA\uff08\u670830\u4e07\u5186\u3067\u696d\u52d9\u307e\u304b\u305b\u653e\u984c\uff09\u306e\u7121\u6599\u76f8\u8ac7 \u4e88\u7d04\u30da\u30fc\u30b8\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/09\/cta_blog_makase_20260904.jpg\" alt=\"AI\u793e\u54e1AIKATA\uff5c\u670830\u4e07\u5186\u306e\u5b9a\u984d\u3067\u5fa1\u793e\u306e\u696d\u52d9\u3092\u307e\u308b\u3054\u3068\u5dfb\u304d\u53d6\u308a\u307e\u3059\uff08\u7121\u6599\u76f8\u8ac760\u5206\uff09\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><a href=\"https:\/\/aikanri.genai-ai.co.jp\/koteihi-line\/?utm_source=blog&#038;utm_medium=h2banner&#038;utm_content=cc-java-api-guide&#038;blog_slug=cc-java-api-guide&#038;blog_title=%E3%80%902026%E5%B9%B49%E6%9C%88%E6%9C%80%E6%96%B0%E3%80%91Java%E3%81%AEAPI%E3%81%A8%E3%81%AF%EF%BC%9F%E6%A8%99%E6%BA%96API%E3%81%AE%E4%BD%BF%E3%81%84%E6%96%B9%E3%81%A8%E3%83%AA%E3%83%95%E3%82%A1%E3%83%AC%E3%83%B3%E3%82%B9%E3%81%AE%E8%AA%AD%E3%81%BF%E6%96%B9%E3%82%92%E5%AE%8C%E5%85%A8%E8%A7%A3%E8%AA%AC%EF%BD%9C%E9%9D%9E%E3%82%A8%E3%83%B3%E3%82%B8%E3%83%8B%E3%82%A2%E3%81%8C%E5%AD%A6%E7%BF%92%E3%82%B3%E3%82%B9%E3%83%88%E3%82%92%E3%82%BC%E3%83%AD%E3%81%AB%E3%81%99%E3%82%8B%E6%96%B9%E6%B3%95&#038;blog_url=https%3A%2F%2Fgenai-ai.co.jp%2Fai-kanri%2Fblog%2Fcc-java-api-guide%2F&#038;utm_campaign=koteihi_shindan\" target=\"_blank\" rel=\"noopener\" aria-label=\"\u516c\u5f0fLINE\u306e\u56fa\u5b9a\u8cbb\u524a\u6e1b\u8a3a\u65ad\uff08\u7121\u6599\u30fb\u7d041\u5206\uff09\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/09\/cta_blog_koteihi_line.jpg\" alt=\"\u5fa1\u793e\u304c\u6e1b\u3089\u305b\u308b\u56fa\u5b9a\u8cbb\u306f\u6708\u3044\u304f\u3089\u304b\uff5c\u516c\u5f0fLINE\u3067\u8cea\u554f\u306b\u7b54\u3048\u308b\u3060\u3051\uff08\u7121\u6599\u30fb\u7d041\u5206\uff09\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><\/div>\n\n\n<div id=\"sec-02\"><\/div>\n<h2 class=\"section-header-img\" style=\"margin:32px 0 24px;border-radius:8px;overflow:hidden;background:linear-gradient(135deg,#1a1a1a 0%,#2a1015 100%);padding:32px 28px;color:#fff;position:relative;border:none;border-left:none;text-align:left;\">\n  <span class=\"section-number\" style=\"display:block;\">02<\/span>\n  <span class=\"section-label\" style=\"display:block;\">HOW TO READ DOCS<\/span>\n  <span class=\"section-title\" style=\"display:block;\">Javadoc\uff08API\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\uff09\u306e\u8aad\u307f\u65b9<\/span>\n  <span class=\"section-desc\">\u516c\u5f0f\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9\u3092\u8ff7\u308f\u305a\u8aad\u3081\u308b\u3088\u3046\u306b\u306a\u308b\u30b3\u30c4<\/span>\n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Java API\u306e\u6b63\u5f0f\u306a\u4ed5\u69d8\u306f\u3001Oracle\u793e\u304c\u516c\u958b\u3057\u3066\u3044\u308b<strong>Javadoc<\/strong>\u3068\u3044\u3046\u516c\u5f0f\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9\u306b\u3059\u3079\u3066\u8a18\u8f09\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u6700\u521d\u306f\u60c5\u5831\u91cf\u306e\u591a\u3055\u306b\u5727\u5012\u3055\u308c\u307e\u3059\u304c\u3001\u8aad\u307f\u65b9\u306e\u30d1\u30bf\u30fc\u30f3\u3092\u899a\u3048\u308c\u3070\u3001\u5fc5\u8981\u306a\u60c5\u5831\u3060\u3051\u3092\u7d20\u65e9\u304f\u62fe\u3048\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<div style=\"background:#f8f9fa;border-left:4px solid #6b7280;border-radius:0 8px 8px 0;padding:16px 20px;margin:20px 0;\">\n  <p style=\"margin:0 0 4px;font-size:13px;font-weight:700;color:#6b7280;letter-spacing:1px;\">&#128218; \u7528\u8a9e\u89e3\u8aac<\/p>\n  <p style=\"margin:0;font-size:15px;line-height:1.7;\"><strong>Javadoc<\/strong>\uff1aJava API\u306e\u516c\u5f0f\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3002\u5168\u30af\u30e9\u30b9\u30fb\u5168\u30e1\u30bd\u30c3\u30c9\u306e\u4ed5\u69d8\u304c\u3001\u6c7a\u307e\u3063\u305f\u5f62\u5f0f\u3067\u7db2\u7f85\u7684\u306b\u63b2\u8f09\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u306e\u30b3\u30e1\u30f3\u30c8\u304b\u3089\u81ea\u52d5\u751f\u6210\u3055\u308c\u3066\u304a\u308a\u3001Oracle\u306e\u516c\u5f0f\u30b5\u30a4\u30c8\u3067\u7121\u6599\u516c\u958b\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">2-1. \u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306e3\u968e\u5c64\uff1a\u30d1\u30c3\u30b1\u30fc\u30b8\u2192\u30af\u30e9\u30b9\u2192\u30e1\u30bd\u30c3\u30c9<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Javadoc\u306f\u57fa\u672c\u7684\u306b\u3001<strong>\u300c\u30d1\u30c3\u30b1\u30fc\u30b8\u4e00\u89a7\u300d\u2192\u300c\u30af\u30e9\u30b9\u8a73\u7d30\u300d\u2192\u300c\u30e1\u30bd\u30c3\u30c9\u8a73\u7d30\u300d<\/strong>\u3068\u3044\u30463\u968e\u5c64\u3067\u69cb\u6210\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u307e\u305a\u30c8\u30c3\u30d7\u30da\u30fc\u30b8\u3067\u30d1\u30c3\u30b1\u30fc\u30b8\u306e\u4e00\u89a7\u3092\u78ba\u8a8d\u3057\u3001\u76ee\u7684\u306e\u30af\u30e9\u30b9\u304c\u5c5e\u3057\u3066\u3044\u305d\u3046\u306a\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u7d5e\u308a\u8fbc\u307f\u3001\u305d\u3053\u304b\u3089\u8a72\u5f53\u30af\u30e9\u30b9\u306e\u30da\u30fc\u30b8\u306b\u9032\u307f\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"g-flow-row\" style=\"margin:24px 0;\">\n  <div class=\"g-flow-item\"><strong>Step 1<\/strong><br><span style=\"font-size:12px;\">\u30d1\u30c3\u30b1\u30fc\u30b8\u4e00\u89a7<br>\u304b\u3089\u76ee\u7684\u306e\u5206\u91ce<br>\u3092\u7d5e\u308a\u8fbc\u3080<\/span><\/div>\n  <div class=\"g-flow-arrow\">&#8594;<\/div>\n  <div class=\"g-flow-item\"><strong>Step 2<\/strong><br><span style=\"font-size:12px;\">\u30af\u30e9\u30b9\u4e00\u89a7\u304b\u3089<br>\u4f7f\u3044\u305f\u3044\u6a5f\u80fd\u540d<br>\u3092\u691c\u7d22<\/span><\/div>\n  <div class=\"g-flow-arrow\">&#8594;<\/div>\n  <div class=\"g-flow-item\"><strong>Step 3<\/strong><br><span style=\"font-size:12px;\">\u30af\u30e9\u30b9\u8a73\u7d30\u3067<br>\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u30fb<br>\u30e1\u30bd\u30c3\u30c9\u3092\u78ba\u8a8d<\/span><\/div>\n  <div class=\"g-flow-arrow\">&#8594;<\/div>\n  <div class=\"g-flow-item\"><strong>Step 4<\/strong><br><span style=\"font-size:12px;\">\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3092<br>\u30b3\u30d4\u30fc\u3057\u3066<br>\u52d5\u4f5c\u78ba\u8a8d<\/span><\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">2-2. \u30af\u30e9\u30b9\u306e\u8aac\u660e\u306e\u8aad\u307f\u65b9<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u30af\u30e9\u30b9\u306e\u8a73\u7d30\u30da\u30fc\u30b8\u3067\u306f\u3001\u307e\u305a\u5148\u982d\u306b<strong>\u30af\u30e9\u30b9\u306e\u6982\u8981\u8aac\u660e<\/strong>\u304c\u3042\u308a\u3001\u305d\u306e\u3042\u3068\u306b\u300c\u30d5\u30a3\u30fc\u30eb\u30c9\u300d\u300c\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u300d\u300c\u30e1\u30bd\u30c3\u30c9\u300d\u306e\u4e00\u89a7\u304c\u7d9a\u304d\u307e\u3059\u3002\u521d\u5fc3\u8005\u304c\u6700\u521d\u306b\u898b\u308b\u3079\u304d\u306f\u3001<strong>\u300cConstructor\uff08\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\uff09\u300d\u306e\u4e00\u89a7<\/strong>\u3067\u3059\u3002\u3053\u3053\u306b\u306f\u3001\u305d\u306e\u30af\u30e9\u30b9\u306e\u300c\u30e2\u30ce\u300d\u3092\u3069\u3046\u4f5c\u308b\u304b\uff08\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5316\u306e\u65b9\u6cd5\uff09\u304c\u66f8\u304b\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<div style=\"background:#fafafa;border-radius:8px;padding:16px 20px;margin:16px 0;border-left:4px solid #dc2626;\">\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span>\u30af\u30e9\u30b9\u6982\u8981\uff1a\u305d\u306e\u30af\u30e9\u30b9\u304c\u4f55\u3092\u3059\u308b\u305f\u3081\u306e\u3082\u306e\u304b\u306e\u8aac\u660e\u6587<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span>Constructor Summary\uff1a\u30af\u30e9\u30b9\u306e\u751f\u6210\u65b9\u6cd5\uff08\u5f15\u6570\u306e\u30d1\u30bf\u30fc\u30f3\uff09\u4e00\u89a7<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span>Method Summary\uff1a\u547c\u3073\u51fa\u305b\u308b\u64cd\u4f5c\uff08\u30e1\u30bd\u30c3\u30c9\uff09\u306e\u4e00\u89a7\u3068\u623b\u308a\u5024\u306e\u578b<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span>Method Detail\uff1a\u5404\u30e1\u30bd\u30c3\u30c9\u306e\u8a73\u7d30\u306a\u5f15\u6570\u30fb\u623b\u308a\u5024\u30fb\u4f7f\u7528\u4f8b<\/span><\/div>\n\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">2-3. \u30e1\u30bd\u30c3\u30c9\u306e\u8aac\u660e\u306e\u8aad\u307f\u65b9<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u30e1\u30bd\u30c3\u30c9\u306e\u8aac\u660e\u3067\u306f\u3001<strong>\u300c\u623b\u308a\u5024\u306e\u578b\u300d\u300c\u30e1\u30bd\u30c3\u30c9\u540d\u300d\u300c\u5f15\u6570\u306e\u578b\u3068\u540d\u524d\u300d<\/strong>\u306e3\u70b9\u3092\u5fc5\u305a\u78ba\u8a8d\u3057\u307e\u3059\u3002\u4f8b\u3048\u3070<code>public int length()<\/code>\u3068\u3044\u3046\u8a18\u8ff0\u306a\u3089\u3001\u300c<code>length<\/code>\u3068\u3044\u3046\u540d\u524d\u306e\u30e1\u30bd\u30c3\u30c9\u3067\u3001\u5f15\u6570\u306f\u306a\u304f\u3001\u547c\u3073\u51fa\u3059\u3068int\u578b\uff08\u6574\u6570\uff09\u306e\u5024\u304c\u8fd4\u3063\u3066\u304f\u308b\u300d\u3068\u8aad\u307f\u89e3\u3051\u307e\u3059\u3002<\/p>\n\n\n\n<div style=\"background:#f0fdf4;border:1px solid #22c55e;border-radius:8px;padding:20px 24px;margin:24px 0;\">\n  <div style=\"display:flex;align-items:center;gap:8px;margin-bottom:12px;\">\n    <span style=\"font-size:18px;\">&#128161;<\/span>\n    <strong style=\"color:#16a34a;font-size:15px;\">\u82f1\u8a9e\u30a2\u30ec\u30eb\u30ae\u30fc\u3092\u4e57\u308a\u8d8a\u3048\u308b\u30b3\u30c4<\/strong>\n  <\/div>\n  <p style=\"margin:0;font-size:15px;line-height:1.8;color:#333;\">Javadoc\u306f\u57fa\u672c\u7684\u306b\u82f1\u8a9e\u3067\u3059\u3002\u3057\u304b\u3057\u3001\u30e1\u30bd\u30c3\u30c9\u540d\u306e\u82f1\u5358\u8a9e\u81ea\u4f53\uff08length=\u9577\u3055\u3001add=\u8ffd\u52a0\u3001remove=\u524a\u9664\u306a\u3069\uff09\u304c\u6a5f\u80fd\u3092\u8868\u3057\u3066\u3044\u308b\u30b1\u30fc\u30b9\u304c\u591a\u3044\u306e\u3067\u3001\u5358\u8a9e\u306e\u610f\u5473\u3055\u3048\u5206\u304b\u308c\u3070\u5927\u67a0\u306f\u7406\u89e3\u3067\u304d\u307e\u3059\u3002\u65e5\u672c\u8a9e\u8a33\u3055\u308c\u305f\u975e\u516c\u5f0f\u30b5\u30a4\u30c8\u3082\u591a\u6570\u5b58\u5728\u3059\u308b\u306e\u3067\u3001\u516c\u5f0f\u3068\u4f75\u7528\u3059\u308b\u306e\u304c\u304a\u3059\u3059\u3081\u3067\u3059\u3002<\/p>\n<\/div>\n\n\n\n<div style=\"background:#fef2f2;border:2px solid #dc2626;border-radius:8px;padding:20px 24px;margin:24px 0;\">\n  <div style=\"display:flex;align-items:center;gap:8px;margin-bottom:12px;\">\n    <span style=\"font-size:20px;\">&#9888;&#65039;<\/span>\n    <strong style=\"color:#dc2626;font-size:16px;\">\u30d0\u30fc\u30b8\u30e7\u30f3\u9055\u3044\u306b\u6ce8\u610f<\/strong>\n  <\/div>\n  <p style=\"margin:0;font-size:15px;line-height:1.8;color:#333;\">Java\u306f\u30d0\u30fc\u30b8\u30e7\u30f3\u3054\u3068\u306bAPI\u306e\u4ed5\u69d8\u304c\u8ffd\u52a0\u30fb\u5909\u66f4\u3055\u308c\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u691c\u7d22\u7d50\u679c\u3067\u53e4\u3044\u30d0\u30fc\u30b8\u30e7\u30f3\uff08Java 8\u306a\u3069\uff09\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u304c\u8868\u793a\u3055\u308c\u308b\u30b1\u30fc\u30b9\u304c\u591a\u3044\u305f\u3081\u3001URL\u3084\u30da\u30fc\u30b8\u5185\u306e\u8868\u8a18\u3067\u5bfe\u8c61\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u5fc5\u305a\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<\/div>\n\n\n<div style=\"margin:48px 0 8px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap;\"><a href=\"https:\/\/aikanri.genai-ai.co.jp\/aibpo\/makase\/blog\/?utm_source=blog&#038;utm_medium=h2banner&#038;utm_content=cc-java-api-guide&#038;blog_slug=cc-java-api-guide&#038;blog_title=%E3%80%902026%E5%B9%B49%E6%9C%88%E6%9C%80%E6%96%B0%E3%80%91Java%E3%81%AEAPI%E3%81%A8%E3%81%AF%EF%BC%9F%E6%A8%99%E6%BA%96API%E3%81%AE%E4%BD%BF%E3%81%84%E6%96%B9%E3%81%A8%E3%83%AA%E3%83%95%E3%82%A1%E3%83%AC%E3%83%B3%E3%82%B9%E3%81%AE%E8%AA%AD%E3%81%BF%E6%96%B9%E3%82%92%E5%AE%8C%E5%85%A8%E8%A7%A3%E8%AA%AC%EF%BD%9C%E9%9D%9E%E3%82%A8%E3%83%B3%E3%82%B8%E3%83%8B%E3%82%A2%E3%81%8C%E5%AD%A6%E7%BF%92%E3%82%B3%E3%82%B9%E3%83%88%E3%82%92%E3%82%BC%E3%83%AD%E3%81%AB%E3%81%99%E3%82%8B%E6%96%B9%E6%B3%95&#038;blog_url=https%3A%2F%2Fgenai-ai.co.jp%2Fai-kanri%2Fblog%2Fcc-java-api-guide%2F&#038;utm_campaign=aibpo_makase\" target=\"_blank\" rel=\"noopener\" aria-label=\"AI\u793e\u54e1AIKATA\uff08\u670830\u4e07\u5186\u3067\u696d\u52d9\u307e\u304b\u305b\u653e\u984c\uff09\u306e\u7121\u6599\u76f8\u8ac7 \u4e88\u7d04\u30da\u30fc\u30b8\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/09\/cta_blog_makase_20260904.jpg\" alt=\"AI\u793e\u54e1AIKATA\uff5c\u670830\u4e07\u5186\u306e\u5b9a\u984d\u3067\u5fa1\u793e\u306e\u696d\u52d9\u3092\u307e\u308b\u3054\u3068\u5dfb\u304d\u53d6\u308a\u307e\u3059\uff08\u7121\u6599\u76f8\u8ac760\u5206\uff09\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><a href=\"https:\/\/aikanri.genai-ai.co.jp\/koteihi-line\/?utm_source=blog&#038;utm_medium=h2banner&#038;utm_content=cc-java-api-guide&#038;blog_slug=cc-java-api-guide&#038;blog_title=%E3%80%902026%E5%B9%B49%E6%9C%88%E6%9C%80%E6%96%B0%E3%80%91Java%E3%81%AEAPI%E3%81%A8%E3%81%AF%EF%BC%9F%E6%A8%99%E6%BA%96API%E3%81%AE%E4%BD%BF%E3%81%84%E6%96%B9%E3%81%A8%E3%83%AA%E3%83%95%E3%82%A1%E3%83%AC%E3%83%B3%E3%82%B9%E3%81%AE%E8%AA%AD%E3%81%BF%E6%96%B9%E3%82%92%E5%AE%8C%E5%85%A8%E8%A7%A3%E8%AA%AC%EF%BD%9C%E9%9D%9E%E3%82%A8%E3%83%B3%E3%82%B8%E3%83%8B%E3%82%A2%E3%81%8C%E5%AD%A6%E7%BF%92%E3%82%B3%E3%82%B9%E3%83%88%E3%82%92%E3%82%BC%E3%83%AD%E3%81%AB%E3%81%99%E3%82%8B%E6%96%B9%E6%B3%95&#038;blog_url=https%3A%2F%2Fgenai-ai.co.jp%2Fai-kanri%2Fblog%2Fcc-java-api-guide%2F&#038;utm_campaign=koteihi_shindan\" target=\"_blank\" rel=\"noopener\" aria-label=\"\u516c\u5f0fLINE\u306e\u56fa\u5b9a\u8cbb\u524a\u6e1b\u8a3a\u65ad\uff08\u7121\u6599\u30fb\u7d041\u5206\uff09\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/09\/cta_blog_koteihi_line.jpg\" alt=\"\u5fa1\u793e\u304c\u6e1b\u3089\u305b\u308b\u56fa\u5b9a\u8cbb\u306f\u6708\u3044\u304f\u3089\u304b\uff5c\u516c\u5f0fLINE\u3067\u8cea\u554f\u306b\u7b54\u3048\u308b\u3060\u3051\uff08\u7121\u6599\u30fb\u7d041\u5206\uff09\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><\/div>\n\n\n<div id=\"sec-03\"><\/div>\n<h2 class=\"section-header-img\" style=\"margin:32px 0 24px;border-radius:8px;overflow:hidden;background:linear-gradient(135deg,#1a1a1a 0%,#2a1015 100%);padding:32px 28px;color:#fff;position:relative;border:none;border-left:none;text-align:left;\">\n  <span class=\"section-number\" style=\"display:block;\">03<\/span>\n  <span class=\"section-label\" style=\"display:block;\">INTERFACES<\/span>\n  <span class=\"section-title\" style=\"display:block;\">\u983b\u51fa\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\uff1aList\u30fbMap\u30fbSet<\/span>\n  <span class=\"section-desc\">\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u51e6\u7406\u306e3\u672c\u67f1\u3092\u4f7f\u3044\u5206\u3051\u308b<\/span>\n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b9f\u52d9\u306eJava\u30b3\u30fc\u30c9\u3067\u6700\u3082\u983b\u7e41\u306b\u767b\u5834\u3059\u308b\u306e\u304c\u3001\u8907\u6570\u306e\u30c7\u30fc\u30bf\u3092\u307e\u3068\u3081\u3066\u6271\u3046\u300c\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u300d\u95a2\u9023\u306e\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3067\u3059\u3002\u4e2d\u3067\u3082<strong>List\u30fbMap\u30fbSet<\/strong>\u306e3\u3064\u306f\u3001\u307b\u307c\u5168\u3066\u306eJava\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u4f7f\u308f\u308c\u308b\u57fa\u672c\u8981\u7d20\u3067\u3059\u3002<\/p>\n\n\n\n<div style=\"background:#f8f9fa;border-left:4px solid #6b7280;border-radius:0 8px 8px 0;padding:16px 20px;margin:20px 0;\">\n  <p style=\"margin:0 0 4px;font-size:13px;font-weight:700;color:#6b7280;letter-spacing:1px;\">&#128218; \u7528\u8a9e\u89e3\u8aac<\/p>\n  <p style=\"margin:0;font-size:15px;line-height:1.7;\"><strong>\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9 (interface)<\/strong>\uff1a\u300c\u3053\u3046\u3044\u3046\u6a5f\u80fd\u3092\u6301\u3064\u3079\u304d\u300d\u3068\u3044\u3046\u7d04\u675f\u4e8b\u3060\u3051\u3092\u5b9a\u3081\u305f\u8a2d\u8a08\u56f3\u3002\u5177\u4f53\u7684\u306a\u5b9f\u88c5\u306f\u6301\u305f\u305a\u3001\u5b9f\u969b\u306e\u51e6\u7406\u306f<code>ArrayList<\/code>\u3084<code>HashMap<\/code>\u3068\u3044\u3063\u305f\u300c\u5b9f\u88c5\u30af\u30e9\u30b9\u300d\u304c\u62c5\u3044\u307e\u3059\u3002\u7d4c\u55b6\u306e\u6bd4\u55a9\u3067\u306f\u3001\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306f\u300c\u696d\u52d9\u306e\u5f79\u5272\u5b9a\u7fa9\u300d\u3001\u5b9f\u88c5\u30af\u30e9\u30b9\u306f\u300c\u5b9f\u969b\u306b\u305d\u306e\u5f79\u5272\u3092\u62c5\u3046\u62c5\u5f53\u8005\u300d\u306b\u8fd1\u3044\u95a2\u4fc2\u3067\u3059\u3002<\/p>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">3-1. List\uff1a\u9806\u5e8f\u3092\u4fdd\u3063\u305f\u8981\u7d20\u306e\u96c6\u5408<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><code>List<\/code>\u306f\u3001<strong>\u8981\u7d20\u306e\u8ffd\u52a0\u9806\u5e8f\u304c\u4fdd\u305f\u308c\u308b<\/strong>\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u3067\u3059\u3002\u300c\u5148\u9031\u306e\u9867\u5ba2\u30ea\u30b9\u30c8\u300d\u306e\u3088\u3046\u306b\u3001\u5165\u529b\u3057\u305f\u9806\u756a\u306e\u307e\u307e\u7ba1\u7406\u3057\u305f\u3044\u30c7\u30fc\u30bf\u306b\u5411\u3044\u3066\u3044\u307e\u3059\u3002\u540c\u3058\u5024\u3092\u91cd\u8907\u3057\u3066\u683c\u7d0d\u3059\u308b\u3053\u3068\u3082\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n<table>\n<thead><tr><th>\u64cd\u4f5c<\/th><th>\u30e1\u30bd\u30c3\u30c9\u4f8b<\/th><th>\u8aac\u660e<\/th><\/tr><\/thead>\n<tbody>\n<tr><td>\u8ffd\u52a0<\/td><td>add(\u8981\u7d20)<\/td><td>\u30ea\u30b9\u30c8\u306e\u672b\u5c3e\u306b\u8981\u7d20\u3092\u8ffd\u52a0\u3059\u308b<\/td><\/tr>\n<tr><td>\u53d6\u5f97<\/td><td>get(\u6dfb\u5b57)<\/td><td>\u6307\u5b9a\u3057\u305f\u4f4d\u7f6e\uff080\u59cb\u307e\u308a\uff09\u306e\u8981\u7d20\u3092\u53d6\u5f97\u3059\u308b<\/td><\/tr>\n<tr><td>\u524a\u9664<\/td><td>remove(\u6dfb\u5b57)<\/td><td>\u6307\u5b9a\u3057\u305f\u4f4d\u7f6e\u306e\u8981\u7d20\u3092\u524a\u9664\u3059\u308b<\/td><\/tr>\n<tr><td>\u30b5\u30a4\u30ba\u78ba\u8a8d<\/td><td>size()<\/td><td>\u73fe\u5728\u306e\u8981\u7d20\u6570\u3092\u53d6\u5f97\u3059\u308b<\/td><\/tr>\n<\/tbody>\n<\/table>\n\n\n\n<h3 class=\"wp-block-heading\">3-2. Map\uff1a\u30ad\u30fc\u3068\u5024\u306e\u30da\u30a2\u3067\u7ba1\u7406\u3059\u308b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><code>Map<\/code>\u306f\u3001<strong>\u300c\u30ad\u30fc\u300d\u3068\u300c\u5024\u300d\u306e\u30da\u30a2<\/strong>\u3067\u30c7\u30fc\u30bf\u3092\u7ba1\u7406\u3059\u308b\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3067\u3059\u3002\u300c\u793e\u54e1\u756a\u53f7\uff08\u30ad\u30fc\uff09\u2192\u6c0f\u540d\uff08\u5024\uff09\u300d\u306e\u3088\u3046\u306b\u3001\u4f55\u304b\u3092\u691c\u7d22\u30ad\u30fc\u306b\u3057\u3066\u5024\u3092\u53d6\u308a\u51fa\u3057\u305f\u3044\u5834\u9762\u306b\u5411\u3044\u3066\u3044\u307e\u3059\u3002\u30ad\u30fc\u306f\u91cd\u8907\u3067\u304d\u307e\u305b\u3093\u304c\u3001\u5024\u306f\u91cd\u8907\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n<div style=\"background:#fafafa;border-radius:8px;padding:16px 20px;margin:16px 0;border-left:4px solid #dc2626;\">\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span>put(\u30ad\u30fc, \u5024)\uff1a\u30ad\u30fc\u3068\u5024\u306e\u30da\u30a2\u3092\u8ffd\u52a0\u30fb\u66f4\u65b0\u3059\u308b<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span>get(\u30ad\u30fc)\uff1a\u6307\u5b9a\u3057\u305f\u30ad\u30fc\u306b\u5bfe\u5fdc\u3059\u308b\u5024\u3092\u53d6\u5f97\u3059\u308b<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span>containsKey(\u30ad\u30fc)\uff1a\u6307\u5b9a\u3057\u305f\u30ad\u30fc\u304c\u5b58\u5728\u3059\u308b\u304b\u78ba\u8a8d\u3059\u308b<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span>keySet()\uff1a\u5168\u3066\u306e\u30ad\u30fc\u3092\u4e00\u89a7\u3068\u3057\u3066\u53d6\u5f97\u3059\u308b<\/span><\/div>\n\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">3-3. Set\uff1a\u91cd\u8907\u3092\u8a31\u3055\u306a\u3044\u96c6\u5408<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><code>Set<\/code>\u306f\u3001<strong>\u540c\u3058\u5024\u3092\u91cd\u8907\u3057\u3066\u683c\u7d0d\u3067\u304d\u306a\u3044<\/strong>\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u3067\u3059\u3002\u300c\u767b\u9332\u6e08\u307f\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u306e\u4e00\u89a7\u300d\u306e\u3088\u3046\u306b\u3001\u300c\u540c\u3058\u3082\u306e\u304c2\u3064\u3042\u3063\u3066\u306f\u56f0\u308b\u300d\u30c7\u30fc\u30bf\u306e\u7ba1\u7406\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002\u9806\u5e8f\u304c\u4fdd\u8a3c\u3055\u308c\u306a\u3044\u5b9f\u88c5\uff08<code>HashSet<\/code>\uff09\u3068\u3001\u9806\u5e8f\u3092\u4fdd\u3064\u5b9f\u88c5\uff08<code>LinkedHashSet<\/code>\uff09\u304c\u7528\u610f\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<div style=\"background:linear-gradient(135deg,#1a1a1a,#1a2520);border-radius:12px;padding:20px 24px;margin:24px 0;display:flex;align-items:center;gap:16px;color:#fff;\">\n  <span style=\"font-size:36px;\">&#127942;<\/span>\n  <div>\n    <div style=\"font-size:13px;color:#10b981;font-weight:700;letter-spacing:1px;\">VERDICT<\/div>\n    <div style=\"font-size:18px;font-weight:800;\">List \u306b\u8ecd\u914d<\/div>\n    <div style=\"font-size:14px;color:rgba(255,255,255,0.7);margin-top:4px;\">\u300c\u9806\u756a\u304c\u5927\u4e8b\u300d\u306a\u3089List\u3001\u300c\u691c\u7d22\u30ad\u30fc\u3067\u63a2\u3057\u305f\u3044\u300d\u306a\u3089Map\u3001\u300c\u91cd\u8907\u3092\u9632\u304e\u305f\u3044\u300d\u306a\u3089Set\u3092\u9078\u3076\u306e\u304c\u57fa\u672c\u539f\u5247\u3002<\/div>\n  <\/div>\n<\/div>\n\n\n\n<div class=\"balloon-wrap\">\n  <div class=\"balloon-icon\">\n    <img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/04\/ceo-sugasawa.jpg\" alt=\"\u4ee3\u8868\u83c5\u6fa4\">\n    <span class=\"balloon-name\">\u4ee3\u8868\u83c5\u6fa4<\/span>\n  <\/div>\n  <div class=\"balloon-body\">\u3053\u306e3\u3064\u306e\u9055\u3044\u3092\u6700\u521d\u306b\u6df7\u540c\u3057\u3066\u3001List\u3067\u66f8\u304f\u3079\u304d\u51e6\u7406\u3092Map\u3067\u7121\u7406\u3084\u308a\u5b9f\u88c5\u3057\u3066\u3057\u307e\u3046\u65b0\u4eba\u30a8\u30f3\u30b8\u30cb\u30a2\u3092\u3088\u304f\u898b\u307e\u3059\u3002\u300c\u4f55\u306e\u305f\u3081\u306b\u3053\u306e\u30c7\u30fc\u30bf\u3092\u6301\u3064\u306e\u304b\u300d\u3092\u5148\u306b\u6c7a\u3081\u308b\u3068\u3001\u81ea\u7136\u3068\u6b63\u3057\u3044\u9078\u629e\u304c\u3067\u304d\u307e\u3059\u3002<\/div>\n<\/div>\n\n\n<div style=\"margin:48px 0 8px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap;\"><a href=\"https:\/\/aikanri.genai-ai.co.jp\/aibpo\/makase\/blog\/?utm_source=blog&#038;utm_medium=h2banner&#038;utm_content=cc-java-api-guide&#038;blog_slug=cc-java-api-guide&#038;blog_title=%E3%80%902026%E5%B9%B49%E6%9C%88%E6%9C%80%E6%96%B0%E3%80%91Java%E3%81%AEAPI%E3%81%A8%E3%81%AF%EF%BC%9F%E6%A8%99%E6%BA%96API%E3%81%AE%E4%BD%BF%E3%81%84%E6%96%B9%E3%81%A8%E3%83%AA%E3%83%95%E3%82%A1%E3%83%AC%E3%83%B3%E3%82%B9%E3%81%AE%E8%AA%AD%E3%81%BF%E6%96%B9%E3%82%92%E5%AE%8C%E5%85%A8%E8%A7%A3%E8%AA%AC%EF%BD%9C%E9%9D%9E%E3%82%A8%E3%83%B3%E3%82%B8%E3%83%8B%E3%82%A2%E3%81%8C%E5%AD%A6%E7%BF%92%E3%82%B3%E3%82%B9%E3%83%88%E3%82%92%E3%82%BC%E3%83%AD%E3%81%AB%E3%81%99%E3%82%8B%E6%96%B9%E6%B3%95&#038;blog_url=https%3A%2F%2Fgenai-ai.co.jp%2Fai-kanri%2Fblog%2Fcc-java-api-guide%2F&#038;utm_campaign=aibpo_makase\" target=\"_blank\" rel=\"noopener\" aria-label=\"AI\u793e\u54e1AIKATA\uff08\u670830\u4e07\u5186\u3067\u696d\u52d9\u307e\u304b\u305b\u653e\u984c\uff09\u306e\u7121\u6599\u76f8\u8ac7 \u4e88\u7d04\u30da\u30fc\u30b8\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/09\/cta_blog_makase_20260904.jpg\" alt=\"AI\u793e\u54e1AIKATA\uff5c\u670830\u4e07\u5186\u306e\u5b9a\u984d\u3067\u5fa1\u793e\u306e\u696d\u52d9\u3092\u307e\u308b\u3054\u3068\u5dfb\u304d\u53d6\u308a\u307e\u3059\uff08\u7121\u6599\u76f8\u8ac760\u5206\uff09\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><a href=\"https:\/\/aikanri.genai-ai.co.jp\/koteihi-line\/?utm_source=blog&#038;utm_medium=h2banner&#038;utm_content=cc-java-api-guide&#038;blog_slug=cc-java-api-guide&#038;blog_title=%E3%80%902026%E5%B9%B49%E6%9C%88%E6%9C%80%E6%96%B0%E3%80%91Java%E3%81%AEAPI%E3%81%A8%E3%81%AF%EF%BC%9F%E6%A8%99%E6%BA%96API%E3%81%AE%E4%BD%BF%E3%81%84%E6%96%B9%E3%81%A8%E3%83%AA%E3%83%95%E3%82%A1%E3%83%AC%E3%83%B3%E3%82%B9%E3%81%AE%E8%AA%AD%E3%81%BF%E6%96%B9%E3%82%92%E5%AE%8C%E5%85%A8%E8%A7%A3%E8%AA%AC%EF%BD%9C%E9%9D%9E%E3%82%A8%E3%83%B3%E3%82%B8%E3%83%8B%E3%82%A2%E3%81%8C%E5%AD%A6%E7%BF%92%E3%82%B3%E3%82%B9%E3%83%88%E3%82%92%E3%82%BC%E3%83%AD%E3%81%AB%E3%81%99%E3%82%8B%E6%96%B9%E6%B3%95&#038;blog_url=https%3A%2F%2Fgenai-ai.co.jp%2Fai-kanri%2Fblog%2Fcc-java-api-guide%2F&#038;utm_campaign=koteihi_shindan\" target=\"_blank\" rel=\"noopener\" aria-label=\"\u516c\u5f0fLINE\u306e\u56fa\u5b9a\u8cbb\u524a\u6e1b\u8a3a\u65ad\uff08\u7121\u6599\u30fb\u7d041\u5206\uff09\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/09\/cta_blog_koteihi_line.jpg\" alt=\"\u5fa1\u793e\u304c\u6e1b\u3089\u305b\u308b\u56fa\u5b9a\u8cbb\u306f\u6708\u3044\u304f\u3089\u304b\uff5c\u516c\u5f0fLINE\u3067\u8cea\u554f\u306b\u7b54\u3048\u308b\u3060\u3051\uff08\u7121\u6599\u30fb\u7d041\u5206\uff09\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><\/div>\n\n\n<div id=\"sec-04\"><\/div>\n<h2 class=\"section-header-img\" style=\"margin:32px 0 24px;border-radius:8px;overflow:hidden;background:linear-gradient(135deg,#1a1a1a 0%,#2a1015 100%);padding:32px 28px;color:#fff;position:relative;border:none;border-left:none;text-align:left;\">\n  <span class=\"section-number\" style=\"display:block;\">04<\/span>\n  <span class=\"section-label\" style=\"display:block;\">CORE CLASSES<\/span>\n  <span class=\"section-title\" style=\"display:block;\">\u983b\u51fa\u30af\u30e9\u30b9\uff1aString\u30fbFile\u30fbCalendar\u30fbArrayList\u30fbDate\u30fbMath<\/span>\n  <span class=\"section-desc\">\u5b9f\u52d9\u30679\u5272\u4f7f\u3046\u4ee3\u8868\u7684\u30af\u30e9\u30b96\u9078<\/span>\n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306e\u6b21\u306f\u3001\u5b9f\u969b\u306b\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5316\u3057\u3066\u4f7f\u3046\u300c\u30af\u30e9\u30b9\u300d\u3092\u898b\u3066\u3044\u304d\u307e\u3059\u3002\u3053\u3053\u3067\u306f\u5b9f\u52d9\u3067\u983b\u7e41\u306b\u767b\u5834\u3059\u308b6\u3064\u306e\u30af\u30e9\u30b9\u3092\u3001\u305d\u308c\u305e\u308c\u306e\u5f79\u5272\u3068\u4ee3\u8868\u7684\u306a\u30e1\u30bd\u30c3\u30c9\u3068\u3068\u3082\u306b\u6574\u7406\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4-1. String\uff1a\u6587\u5b57\u5217\u3092\u6271\u3046\u6700\u91cd\u8981\u30af\u30e9\u30b9<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><code>String<\/code>\u306f\u6587\u5b57\u5217\u3092\u6271\u3046\u30af\u30e9\u30b9\u3067\u3001Java\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u4e2d\u3067\u3082\u3063\u3068\u3082\u4f7f\u7528\u983b\u5ea6\u304c\u9ad8\u3044\u30af\u30e9\u30b9\u306e\u4e00\u3064\u3067\u3059\u3002\u6587\u5b57\u6570\u306e\u53d6\u5f97\u3001\u90e8\u5206\u6587\u5b57\u5217\u306e\u629c\u304d\u51fa\u3057\u3001\u5927\u6587\u5b57\u30fb\u5c0f\u6587\u5b57\u5909\u63db\u306a\u3069\u3001\u6587\u5b57\u5217\u306b\u95a2\u3059\u308b\u3042\u3089\u3086\u308b\u64cd\u4f5c\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<table>\n<thead><tr><th>\u30e1\u30bd\u30c3\u30c9<\/th><th>\u8aac\u660e<\/th><\/tr><\/thead>\n<tbody>\n<tr><td>length()<\/td><td>\u6587\u5b57\u5217\u306e\u9577\u3055\uff08\u6587\u5b57\u6570\uff09\u3092\u53d6\u5f97\u3059\u308b<\/td><\/tr>\n<tr><td>substring(\u958b\u59cb, \u7d42\u4e86)<\/td><td>\u6307\u5b9a\u3057\u305f\u7bc4\u56f2\u306e\u90e8\u5206\u6587\u5b57\u5217\u3092\u53d6\u5f97\u3059\u308b<\/td><\/tr>\n<tr><td>toUpperCase() \/ toLowerCase()<\/td><td>\u5927\u6587\u5b57\u30fb\u5c0f\u6587\u5b57\u306b\u5909\u63db\u3059\u308b<\/td><\/tr>\n<tr><td>equals(\u6bd4\u8f03\u5bfe\u8c61)<\/td><td>\u6587\u5b57\u5217\u306e\u5185\u5bb9\u304c\u7b49\u3057\u3044\u304b\u6bd4\u8f03\u3059\u308b<\/td><\/tr>\n<tr><td>split(\u533a\u5207\u308a\u6587\u5b57)<\/td><td>\u6307\u5b9a\u3057\u305f\u6587\u5b57\u3067\u5206\u5272\u3057\u3066\u914d\u5217\u306b\u3059\u308b<\/td><\/tr>\n<\/tbody>\n<\/table>\n\n\n\n<div style=\"background:#fef2f2;border:2px solid #dc2626;border-radius:8px;padding:20px 24px;margin:24px 0;\">\n  <div style=\"display:flex;align-items:center;gap:8px;margin-bottom:12px;\">\n    <span style=\"font-size:20px;\">&#9888;&#65039;<\/span>\n    <strong style=\"color:#dc2626;font-size:16px;\">String\u6bd4\u8f03\u306f\u300c==\u300d\u3067\u306f\u306a\u304f\u300cequals()\u300d<\/strong>\n  <\/div>\n  <p style=\"margin:0;font-size:15px;line-height:1.8;color:#333;\">\u521d\u5fc3\u8005\u304c\u6700\u3082\u9665\u308a\u3084\u3059\u3044\u30df\u30b9\u306e\u4e00\u3064\u304c\u3001\u6587\u5b57\u5217\u306e\u6bd4\u8f03\u306b<code>==<\/code>\u6f14\u7b97\u5b50\u3092\u4f7f\u3063\u3066\u3057\u307e\u3046\u3053\u3068\u3067\u3059\u3002Java\u3067\u306f\u6587\u5b57\u5217\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e<strong>\u5185\u5bb9<\/strong>\u3092\u6bd4\u8f03\u3059\u308b\u5834\u5408\u3001\u5fc5\u305a<code>equals()<\/code>\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3046\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<code>==<\/code>\u306f\u30e1\u30e2\u30ea\u4e0a\u306e\u540c\u4e00\u6027\u3092\u898b\u308b\u305f\u3081\u3001\u5185\u5bb9\u304c\u540c\u3058\u3067\u3082<code>false<\/code>\u306b\u306a\u308b\u30b1\u30fc\u30b9\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">4-2. File\uff1a\u30d5\u30a1\u30a4\u30eb\u306e\u5b58\u5728\u78ba\u8a8d\u30fb\u30d1\u30b9\u64cd\u4f5c<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><code>File<\/code>\u30af\u30e9\u30b9\u306f\u3001\u30d5\u30a1\u30a4\u30eb\u3084\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306e\u5b58\u5728\u78ba\u8a8d\u3001\u30d1\u30b9\u306e\u53d6\u5f97\u3001\u30d5\u30a1\u30a4\u30eb\u540d\u306e\u62bd\u51fa\u306a\u3069\u3092\u6271\u3044\u307e\u3059\u3002\u5b9f\u969b\u306e\u30d5\u30a1\u30a4\u30eb\u8aad\u307f\u66f8\u304d\u306f\u5225\u306e\u30af\u30e9\u30b9\uff08<code>FileReader<\/code>\u306a\u3069\uff09\u3092\u4f7f\u3044\u307e\u3059\u304c\u3001\u300c\u305d\u306e\u30d5\u30a1\u30a4\u30eb\u304c\u3042\u308b\u304b\u3069\u3046\u304b\u300d\u3092\u8abf\u3079\u308b\u5834\u9762\u3067\u983b\u51fa\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<div style=\"background:#f8f9fa;border-left:4px solid #6b7280;border-radius:0 8px 8px 0;padding:16px 20px;margin:20px 0;\">\n  <p style=\"margin:0 0 4px;font-size:13px;font-weight:700;color:#6b7280;letter-spacing:1px;\">&#128218; \u7528\u8a9e\u89e3\u8aac<\/p>\n  <p style=\"margin:0;font-size:15px;line-height:1.7;\"><strong>\u30c7\u30a3\u30ec\u30af\u30c8\u30ea (directory)<\/strong>\uff1aWindows\u3067\u8a00\u3046\u300c\u30d5\u30a9\u30eb\u30c0\u300d\u306e\u3053\u3068\u3002Java\u306e\u30d5\u30a1\u30a4\u30eb\u64cd\u4f5cAPI\u3067\u306f\u3001\u30d5\u30a9\u30eb\u30c0\u3082\u30d5\u30a1\u30a4\u30eb\u306e\u4e00\u7a2e\u3068\u3057\u3066<code>File<\/code>\u30af\u30e9\u30b9\u3067\u7d71\u4e00\u7684\u306b\u6271\u308f\u308c\u307e\u3059\u3002<\/p>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">4-3. Calendar \/ Date\uff1a\u65e5\u4ed8\u30fb\u6642\u523b\u306e\u53d6\u5f97<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><code>Calendar<\/code>\u3068<code>Date<\/code>\u306f\u3001\u65e5\u4ed8\u30fb\u6642\u523b\u3092\u6271\u3046\u30af\u30e9\u30b9\u3067\u3059\u3002\u300c\u4eca\u65e5\u306e\u65e5\u4ed8\u3092\u53d6\u5f97\u3059\u308b\u300d\u300c\u65e5\u4ed8\u306b7\u65e5\u52a0\u7b97\u3059\u308b\u300d\u3068\u3044\u3063\u305f\u51e6\u7406\u3067\u4f7f\u308f\u308c\u307e\u3059\u3002\u8fd1\u5e74\u306f\u3001\u3088\u308a\u6271\u3044\u3084\u3059\u3044<code>java.time<\/code>\u30d1\u30c3\u30b1\u30fc\u30b8\uff08<code>LocalDate<\/code>\u306a\u3069\uff09\u3078\u306e\u79fb\u884c\u304c\u9032\u3093\u3067\u3044\u307e\u3059\u304c\u3001\u65e2\u5b58\u30b7\u30b9\u30c6\u30e0\u3067\u306f\u4eca\u3082<code>Calendar<\/code>\u30fb<code>Date<\/code>\u304c\u5e83\u304f\u4f7f\u308f\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<div style=\"background:#f0fdf4;border:1px solid #22c55e;border-radius:8px;padding:20px 24px;margin:24px 0;\">\n  <div style=\"display:flex;align-items:center;gap:8px;margin-bottom:12px;\">\n    <span style=\"font-size:18px;\">&#128161;<\/span>\n    <strong style=\"color:#16a34a;font-size:15px;\">\u65b0\u3057\u304f\u66f8\u304f\u306a\u3089 java.time \u3092\u512a\u5148<\/strong>\n  <\/div>\n  <p style=\"margin:0;font-size:15px;line-height:1.8;color:#333;\">Java 8\u4ee5\u964d\u3067\u8ffd\u52a0\u3055\u308c\u305f<code>LocalDate<\/code>\u30fb<code>LocalDateTime<\/code>\uff08<code>java.time<\/code>\u30d1\u30c3\u30b1\u30fc\u30b8\uff09\u306f\u3001<code>Calendar<\/code>\u30fb<code>Date<\/code>\u3088\u308a\u3082\u76f4\u611f\u7684\u3067\u3001\u30d0\u30b0\u3092\u751f\u307f\u306b\u304f\u3044\u8a2d\u8a08\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u65b0\u898f\u958b\u767a\u3067\u306f<code>java.time<\/code>\u7cfb\u3092\u512a\u5148\u3057\u3001<code>Calendar<\/code>\u30fb<code>Date<\/code>\u306f\u65e2\u5b58\u30b3\u30fc\u30c9\u306e\u4fdd\u5b88\u3067\u767b\u5834\u3057\u305f\u969b\u306b\u8aad\u3081\u308c\u3070\u5341\u5206\u3067\u3059\u3002<\/p>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">4-4. ArrayList\uff1a\u53ef\u5909\u9577\u306e\u914d\u5217<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><code>ArrayList<\/code>\u306f\u3001\u524d\u8ff0\u306e<code>List<\/code>\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u5b9f\u88c5\u3057\u305f\u4ee3\u8868\u7684\u306a\u30af\u30e9\u30b9\u3067\u3001<strong>\u5f8c\u304b\u3089\u8981\u7d20\u6570\u3092\u5897\u6e1b\u3067\u304d\u308b\u914d\u5217<\/strong>\u3068\u3057\u3066\u4f7f\u3048\u307e\u3059\u3002\u901a\u5e38\u306e\u914d\u5217\uff08\u30b5\u30a4\u30ba\u56fa\u5b9a\uff09\u3068\u9055\u3044\u3001\u5b9f\u884c\u4e2d\u306b\u81ea\u7531\u306b\u8981\u7d20\u3092\u8ffd\u52a0\u30fb\u524a\u9664\u3067\u304d\u308b\u305f\u3081\u3001\u5b9f\u52d9\u3067\u306f\u307b\u307c<code>ArrayList<\/code>\u304c\u6a19\u6e96\u9078\u629e\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4-5. Math\uff1a\u6570\u5024\u8a08\u7b97\u306e\u30e6\u30fc\u30c6\u30a3\u30ea\u30c6\u30a3<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><code>Math<\/code>\u30af\u30e9\u30b9\u306f\u3001\u5e73\u65b9\u6839\u30fb\u7d2f\u4e57\u30fb\u7d76\u5bfe\u5024\u30fb\u4e71\u6570\u751f\u6210\u306a\u3069\u3001\u6570\u5024\u8a08\u7b97\u306b\u95a2\u3059\u308b\u6a5f\u80fd\u3092\u307e\u3068\u3081\u3066\u63d0\u4f9b\u3057\u307e\u3059\u3002<code>Math.random()<\/code>\uff08\u4e71\u6570\u751f\u6210\uff09\u3084<code>Math.max()<\/code>\uff08\u6700\u5927\u5024\u53d6\u5f97\uff09\u306f\u3001\u696d\u52d9\u30b7\u30b9\u30c6\u30e0\u306e\u62bd\u9078\u6a5f\u80fd\u3084\u96c6\u8a08\u51e6\u7406\u3067\u3082\u983b\u7e41\u306b\u767b\u5834\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<div style=\"background:#fafafa;border-radius:8px;padding:16px 20px;margin:16px 0;border-left:4px solid #dc2626;\">\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span>String\uff1a\u6587\u5b57\u5217\u64cd\u4f5c\uff08\u5b9f\u52d9\u3067\u306e\u4f7f\u7528\u983b\u5ea6No.1\uff09<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span>ArrayList\uff1a\u53ef\u5909\u9577\u306e\u30c7\u30fc\u30bf\u683c\u7d0d\uff08List\u306e\u4ee3\u8868\u5b9f\u88c5\uff09<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span>File\uff1a\u30d5\u30a1\u30a4\u30eb\u306e\u5b58\u5728\u78ba\u8a8d\u30fb\u30d1\u30b9\u64cd\u4f5c<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span>Calendar \/ Date\uff1a\u65e5\u4ed8\u30fb\u6642\u523b\u306e\u53d6\u5f97\uff08\u65b0\u898f\u306f java.time \u63a8\u5968\uff09<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span>Math\uff1a\u6570\u5024\u8a08\u7b97\u306e\u30e6\u30fc\u30c6\u30a3\u30ea\u30c6\u30a3\u95a2\u6570\u7fa4<\/span><\/div>\n\n<\/div>\n\n\n<div style=\"margin:48px 0 8px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap;\"><a href=\"https:\/\/aikanri.genai-ai.co.jp\/aibpo\/makase\/blog\/?utm_source=blog&#038;utm_medium=h2banner&#038;utm_content=cc-java-api-guide&#038;blog_slug=cc-java-api-guide&#038;blog_title=%E3%80%902026%E5%B9%B49%E6%9C%88%E6%9C%80%E6%96%B0%E3%80%91Java%E3%81%AEAPI%E3%81%A8%E3%81%AF%EF%BC%9F%E6%A8%99%E6%BA%96API%E3%81%AE%E4%BD%BF%E3%81%84%E6%96%B9%E3%81%A8%E3%83%AA%E3%83%95%E3%82%A1%E3%83%AC%E3%83%B3%E3%82%B9%E3%81%AE%E8%AA%AD%E3%81%BF%E6%96%B9%E3%82%92%E5%AE%8C%E5%85%A8%E8%A7%A3%E8%AA%AC%EF%BD%9C%E9%9D%9E%E3%82%A8%E3%83%B3%E3%82%B8%E3%83%8B%E3%82%A2%E3%81%8C%E5%AD%A6%E7%BF%92%E3%82%B3%E3%82%B9%E3%83%88%E3%82%92%E3%82%BC%E3%83%AD%E3%81%AB%E3%81%99%E3%82%8B%E6%96%B9%E6%B3%95&#038;blog_url=https%3A%2F%2Fgenai-ai.co.jp%2Fai-kanri%2Fblog%2Fcc-java-api-guide%2F&#038;utm_campaign=aibpo_makase\" target=\"_blank\" rel=\"noopener\" aria-label=\"AI\u793e\u54e1AIKATA\uff08\u670830\u4e07\u5186\u3067\u696d\u52d9\u307e\u304b\u305b\u653e\u984c\uff09\u306e\u7121\u6599\u76f8\u8ac7 \u4e88\u7d04\u30da\u30fc\u30b8\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/09\/cta_blog_makase_20260904.jpg\" alt=\"AI\u793e\u54e1AIKATA\uff5c\u670830\u4e07\u5186\u306e\u5b9a\u984d\u3067\u5fa1\u793e\u306e\u696d\u52d9\u3092\u307e\u308b\u3054\u3068\u5dfb\u304d\u53d6\u308a\u307e\u3059\uff08\u7121\u6599\u76f8\u8ac760\u5206\uff09\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><a href=\"https:\/\/aikanri.genai-ai.co.jp\/koteihi-line\/?utm_source=blog&#038;utm_medium=h2banner&#038;utm_content=cc-java-api-guide&#038;blog_slug=cc-java-api-guide&#038;blog_title=%E3%80%902026%E5%B9%B49%E6%9C%88%E6%9C%80%E6%96%B0%E3%80%91Java%E3%81%AEAPI%E3%81%A8%E3%81%AF%EF%BC%9F%E6%A8%99%E6%BA%96API%E3%81%AE%E4%BD%BF%E3%81%84%E6%96%B9%E3%81%A8%E3%83%AA%E3%83%95%E3%82%A1%E3%83%AC%E3%83%B3%E3%82%B9%E3%81%AE%E8%AA%AD%E3%81%BF%E6%96%B9%E3%82%92%E5%AE%8C%E5%85%A8%E8%A7%A3%E8%AA%AC%EF%BD%9C%E9%9D%9E%E3%82%A8%E3%83%B3%E3%82%B8%E3%83%8B%E3%82%A2%E3%81%8C%E5%AD%A6%E7%BF%92%E3%82%B3%E3%82%B9%E3%83%88%E3%82%92%E3%82%BC%E3%83%AD%E3%81%AB%E3%81%99%E3%82%8B%E6%96%B9%E6%B3%95&#038;blog_url=https%3A%2F%2Fgenai-ai.co.jp%2Fai-kanri%2Fblog%2Fcc-java-api-guide%2F&#038;utm_campaign=koteihi_shindan\" target=\"_blank\" rel=\"noopener\" aria-label=\"\u516c\u5f0fLINE\u306e\u56fa\u5b9a\u8cbb\u524a\u6e1b\u8a3a\u65ad\uff08\u7121\u6599\u30fb\u7d041\u5206\uff09\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/09\/cta_blog_koteihi_line.jpg\" alt=\"\u5fa1\u793e\u304c\u6e1b\u3089\u305b\u308b\u56fa\u5b9a\u8cbb\u306f\u6708\u3044\u304f\u3089\u304b\uff5c\u516c\u5f0fLINE\u3067\u8cea\u554f\u306b\u7b54\u3048\u308b\u3060\u3051\uff08\u7121\u6599\u30fb\u7d041\u5206\uff09\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><\/div>\n\n\n<div id=\"sec-05\"><\/div>\n<h2 class=\"section-header-img\" style=\"margin:32px 0 24px;border-radius:8px;overflow:hidden;background:linear-gradient(135deg,#1a1a1a 0%,#2a1015 100%);padding:32px 28px;color:#fff;position:relative;border:none;border-left:none;text-align:left;\">\n  <span class=\"section-number\" style=\"display:block;\">05<\/span>\n  <span class=\"section-label\" style=\"display:block;\">OTHER APIS<\/span>\n  <span class=\"section-title\" style=\"display:block;\">\u305d\u306e\u4ed6\u306e\u4e3b\u8981API\uff1aJavaMail\u30fbServlet\u30fbJSON\u30fb\u30b5\u30a6\u30f3\u30c9<\/span>\n  <span class=\"section-desc\">\u696d\u52d9\u30b7\u30b9\u30c6\u30e0\u3067\u3088\u304f\u767b\u5834\u3059\u308b\u5468\u8fbaAPI<\/span>\n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u3053\u307e\u3067\u306e\u57fa\u672cAPI\u306b\u52a0\u3048\u3066\u3001\u5b9f\u969b\u306e\u696d\u52d9\u30b7\u30b9\u30c6\u30e0\u958b\u767a\u3067\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306aAPI\u3082\u767b\u5834\u3057\u307e\u3059\u3002\u305d\u308c\u305e\u308c\u7528\u9014\u304c\u660e\u78ba\u306a\u306e\u3067\u3001\u300c\u5fc5\u8981\u306b\u306a\u3063\u305f\u3089\u6df1\u304f\u5b66\u3076\u300d\u3068\u3044\u3046\u30b9\u30bf\u30f3\u30b9\u3067\u554f\u984c\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">5-1. JavaMail\uff1a\u30e1\u30fc\u30eb\u9001\u4fe1\u6a5f\u80fd<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><code>JavaMail<\/code>\u306f\u3001Java\u30d7\u30ed\u30b0\u30e9\u30e0\u304b\u3089\u30e1\u30fc\u30eb\u3092\u9001\u53d7\u4fe1\u3059\u308b\u305f\u3081\u306eAPI\u3067\u3059\u3002\u4f1a\u54e1\u767b\u9332\u6642\u306e\u78ba\u8a8d\u30e1\u30fc\u30eb\u9001\u4fe1\u3084\u3001\u30b7\u30b9\u30c6\u30e0\u30a8\u30e9\u30fc\u901a\u77e5\u306a\u3069\u3001\u696d\u52d9\u30b7\u30b9\u30c6\u30e0\u306e\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u51e6\u7406\u3067\u5e45\u5e83\u304f\u4f7f\u308f\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<div style=\"background:#f8f9fa;border-left:4px solid #6b7280;border-radius:0 8px 8px 0;padding:16px 20px;margin:20px 0;\">\n  <p style=\"margin:0 0 4px;font-size:13px;font-weight:700;color:#6b7280;letter-spacing:1px;\">&#128218; \u7528\u8a9e\u89e3\u8aac<\/p>\n  <p style=\"margin:0;font-size:15px;line-height:1.7;\"><strong>SMTP<\/strong>\uff1a\u30e1\u30fc\u30eb\u3092\u9001\u4fe1\u3059\u308b\u305f\u3081\u306e\u901a\u4fe1\u898f\u7d04\uff08\u30d7\u30ed\u30c8\u30b3\u30eb\uff09\u3002JavaMail\u3092\u4f7f\u3063\u3066\u30e1\u30fc\u30eb\u3092\u9001\u308b\u969b\u306f\u3001\u9001\u4fe1\u5148\u306eSMTP\u30b5\u30fc\u30d0\u30fc\u306e\u60c5\u5831\uff08\u30db\u30b9\u30c8\u540d\u30fb\u30dd\u30fc\u30c8\u756a\u53f7\u30fb\u8a8d\u8a3c\u60c5\u5831\uff09\u3092\u8a2d\u5b9a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">5-2. Servlet\uff1aWeb\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u571f\u53f0<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><code>Servlet<\/code>\uff08\u30b5\u30fc\u30d6\u30ec\u30c3\u30c8\uff09\u306f\u3001Web\u30b5\u30fc\u30d0\u30fc\u4e0a\u3067\u52d5\u4f5c\u3057\u3001\u30d6\u30e9\u30a6\u30b6\u304b\u3089\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u53d7\u3051\u53d6\u3063\u3066\u51e6\u7406\u3092\u884c\u3046\u305f\u3081\u306eAPI\u3067\u3059\u3002\u73fe\u5728\u3067\u306f<code>Spring Framework<\/code>\u306e\u3088\u3046\u306a\u4e0a\u4f4d\u306e\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u304cServlet\u3092\u5185\u90e8\u3067\u6d3b\u7528\u3059\u308b\u5f62\u304c\u4e3b\u6d41\u3067\u3059\u304c\u3001Web\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u57fa\u790e\u6280\u8853\u3068\u3057\u3066\u7406\u89e3\u3057\u3066\u304a\u304f\u4fa1\u5024\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">5-3. Applet\uff1a\u73fe\u5728\u306f\u975e\u63a8\u5968<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><code>Applet<\/code>\uff08\u30a2\u30d7\u30ec\u30c3\u30c8\uff09\u306f\u3001\u304b\u3064\u3066\u30d6\u30e9\u30a6\u30b6\u4e0a\u3067Java\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u76f4\u63a5\u52d5\u304b\u3059\u305f\u3081\u306e\u6280\u8853\u3067\u3057\u305f\u304c\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u4e0a\u306e\u61f8\u5ff5\u304b\u3089\u4e3b\u8981\u30d6\u30e9\u30a6\u30b6\u304c\u5bfe\u5fdc\u3092\u7d42\u4e86\u3057\u3066\u304a\u308a\u3001<strong>\u73fe\u5728\u306f\u65b0\u898f\u958b\u767a\u3067\u4f7f\u7528\u3059\u3079\u304d\u3067\u306f\u3042\u308a\u307e\u305b\u3093<\/strong>\u3002\u6b74\u53f2\u7684\u306a\u6280\u8853\u3068\u3057\u3066\u540d\u524d\u3060\u3051\u77e5\u3063\u3066\u304a\u3051\u3070\u5341\u5206\u3067\u3059\u3002<\/p>\n\n\n\n<div style=\"background:#fef2f2;border:2px solid #dc2626;border-radius:8px;padding:20px 24px;margin:24px 0;\">\n  <div style=\"display:flex;align-items:center;gap:8px;margin-bottom:12px;\">\n    <span style=\"font-size:20px;\">&#9888;&#65039;<\/span>\n    <strong style=\"color:#dc2626;font-size:16px;\">Applet\u306f\u65b0\u898f\u5b66\u7fd2\u306e\u5bfe\u8c61\u5916<\/strong>\n  <\/div>\n  <p style=\"margin:0;font-size:15px;line-height:1.8;color:#333;\">2026\u5e74\u6642\u70b9\u3067\u3001Chrome\u3084Edge\u306a\u3069\u306e\u4e3b\u8981\u30d6\u30e9\u30a6\u30b6\u306fJava\u30a2\u30d7\u30ec\u30c3\u30c8\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u307e\u305b\u3093\u3002\u5b66\u7fd2\u306e\u512a\u5148\u9806\u4f4d\u3068\u3057\u3066\u306f\u6700\u3082\u4f4e\u304f\u8a2d\u5b9a\u3057\u3066\u554f\u984c\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">5-4. JSON\uff1a\u30c7\u30fc\u30bf\u4ea4\u63db\u306e\u5171\u901a\u30d5\u30a9\u30fc\u30de\u30c3\u30c8<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><code>JSON<\/code>\uff08JavaScript Object Notation\uff09\u81ea\u4f53\u306fJava\u5c02\u7528\u306e\u6280\u8853\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u304c\u3001\u5916\u90e8\u30b7\u30b9\u30c6\u30e0\u3068\u30c7\u30fc\u30bf\u3092\u3084\u308a\u53d6\u308a\u3059\u308b\u969b\u306e\u6a19\u6e96\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3068\u3057\u3066\u3001Java\u3067\u3082<code>Jackson<\/code>\u3084<code>Gson<\/code>\u3068\u3044\u3063\u305f\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u4ecb\u3057\u3066\u983b\u7e41\u306b\u6271\u308f\u308c\u307e\u3059\u3002API\u9023\u643a\u3092\u884c\u3046\u30b7\u30b9\u30c6\u30e0\u3067\u306f\u907f\u3051\u3066\u901a\u308c\u306a\u3044\u77e5\u8b58\u3067\u3059\u3002<\/p>\n\n\n\n<div style=\"background:#f8f9fa;border-left:4px solid #6b7280;border-radius:0 8px 8px 0;padding:16px 20px;margin:20px 0;\">\n  <p style=\"margin:0 0 4px;font-size:13px;font-weight:700;color:#6b7280;letter-spacing:1px;\">&#128218; \u7528\u8a9e\u89e3\u8aac<\/p>\n  <p style=\"margin:0;font-size:15px;line-height:1.7;\"><strong>JSON (JavaScript Object Notation)<\/strong>\uff1a\u30ad\u30fc\u3068\u5024\u306e\u30da\u30a2\u3067\u69cb\u9020\u5316\u3055\u308c\u305f\u30c7\u30fc\u30bf\u3092\u8868\u73fe\u3059\u308b\u30c6\u30ad\u30b9\u30c8\u5f62\u5f0f\u3002\u7570\u306a\u308b\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9e\u9593\u30fb\u7570\u306a\u308b\u30b7\u30b9\u30c6\u30e0\u9593\u3067\u30c7\u30fc\u30bf\u3092\u3084\u308a\u53d6\u308a\u3059\u308b\u969b\u306e\u300c\u5171\u901a\u8a00\u8a9e\u300d\u3068\u3057\u3066\u3001\u73fe\u5728\u6700\u3082\u5e83\u304f\u4f7f\u308f\u308c\u3066\u3044\u308b\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3067\u3059\u3002<\/p>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">5-5. sound\uff1a\u97f3\u58f0\u306e\u518d\u751f\u30fb\u9332\u97f3<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><code>javax.sound<\/code>\u30d1\u30c3\u30b1\u30fc\u30b8\u306f\u3001\u97f3\u58f0\u30d5\u30a1\u30a4\u30eb\u306e\u518d\u751f\u30fb\u9332\u97f3\u3092\u6271\u3046API\u3067\u3059\u3002\u4e00\u822c\u7684\u306a\u696d\u52d9\u30b7\u30b9\u30c6\u30e0\u3067\u306f\u3042\u307e\u308a\u4f7f\u3044\u307e\u305b\u3093\u304c\u3001\u901a\u77e5\u97f3\u306e\u518d\u751f\u3084\u97f3\u58f0\u30ac\u30a4\u30c0\u30f3\u30b9\u6a5f\u80fd\u3092\u6301\u3064\u30b7\u30b9\u30c6\u30e0\u3067\u306f\u767b\u5834\u3057\u307e\u3059\u3002<\/p>\n\n\n<div style=\"margin:48px 0 8px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap;\"><a href=\"https:\/\/aikanri.genai-ai.co.jp\/aibpo\/makase\/blog\/?utm_source=blog&#038;utm_medium=h2banner&#038;utm_content=cc-java-api-guide&#038;blog_slug=cc-java-api-guide&#038;blog_title=%E3%80%902026%E5%B9%B49%E6%9C%88%E6%9C%80%E6%96%B0%E3%80%91Java%E3%81%AEAPI%E3%81%A8%E3%81%AF%EF%BC%9F%E6%A8%99%E6%BA%96API%E3%81%AE%E4%BD%BF%E3%81%84%E6%96%B9%E3%81%A8%E3%83%AA%E3%83%95%E3%82%A1%E3%83%AC%E3%83%B3%E3%82%B9%E3%81%AE%E8%AA%AD%E3%81%BF%E6%96%B9%E3%82%92%E5%AE%8C%E5%85%A8%E8%A7%A3%E8%AA%AC%EF%BD%9C%E9%9D%9E%E3%82%A8%E3%83%B3%E3%82%B8%E3%83%8B%E3%82%A2%E3%81%8C%E5%AD%A6%E7%BF%92%E3%82%B3%E3%82%B9%E3%83%88%E3%82%92%E3%82%BC%E3%83%AD%E3%81%AB%E3%81%99%E3%82%8B%E6%96%B9%E6%B3%95&#038;blog_url=https%3A%2F%2Fgenai-ai.co.jp%2Fai-kanri%2Fblog%2Fcc-java-api-guide%2F&#038;utm_campaign=aibpo_makase\" target=\"_blank\" rel=\"noopener\" aria-label=\"AI\u793e\u54e1AIKATA\uff08\u670830\u4e07\u5186\u3067\u696d\u52d9\u307e\u304b\u305b\u653e\u984c\uff09\u306e\u7121\u6599\u76f8\u8ac7 \u4e88\u7d04\u30da\u30fc\u30b8\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/09\/cta_blog_makase_20260904.jpg\" alt=\"AI\u793e\u54e1AIKATA\uff5c\u670830\u4e07\u5186\u306e\u5b9a\u984d\u3067\u5fa1\u793e\u306e\u696d\u52d9\u3092\u307e\u308b\u3054\u3068\u5dfb\u304d\u53d6\u308a\u307e\u3059\uff08\u7121\u6599\u76f8\u8ac760\u5206\uff09\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><a href=\"https:\/\/aikanri.genai-ai.co.jp\/koteihi-line\/?utm_source=blog&#038;utm_medium=h2banner&#038;utm_content=cc-java-api-guide&#038;blog_slug=cc-java-api-guide&#038;blog_title=%E3%80%902026%E5%B9%B49%E6%9C%88%E6%9C%80%E6%96%B0%E3%80%91Java%E3%81%AEAPI%E3%81%A8%E3%81%AF%EF%BC%9F%E6%A8%99%E6%BA%96API%E3%81%AE%E4%BD%BF%E3%81%84%E6%96%B9%E3%81%A8%E3%83%AA%E3%83%95%E3%82%A1%E3%83%AC%E3%83%B3%E3%82%B9%E3%81%AE%E8%AA%AD%E3%81%BF%E6%96%B9%E3%82%92%E5%AE%8C%E5%85%A8%E8%A7%A3%E8%AA%AC%EF%BD%9C%E9%9D%9E%E3%82%A8%E3%83%B3%E3%82%B8%E3%83%8B%E3%82%A2%E3%81%8C%E5%AD%A6%E7%BF%92%E3%82%B3%E3%82%B9%E3%83%88%E3%82%92%E3%82%BC%E3%83%AD%E3%81%AB%E3%81%99%E3%82%8B%E6%96%B9%E6%B3%95&#038;blog_url=https%3A%2F%2Fgenai-ai.co.jp%2Fai-kanri%2Fblog%2Fcc-java-api-guide%2F&#038;utm_campaign=koteihi_shindan\" target=\"_blank\" rel=\"noopener\" aria-label=\"\u516c\u5f0fLINE\u306e\u56fa\u5b9a\u8cbb\u524a\u6e1b\u8a3a\u65ad\uff08\u7121\u6599\u30fb\u7d041\u5206\uff09\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/09\/cta_blog_koteihi_line.jpg\" alt=\"\u5fa1\u793e\u304c\u6e1b\u3089\u305b\u308b\u56fa\u5b9a\u8cbb\u306f\u6708\u3044\u304f\u3089\u304b\uff5c\u516c\u5f0fLINE\u3067\u8cea\u554f\u306b\u7b54\u3048\u308b\u3060\u3051\uff08\u7121\u6599\u30fb\u7d041\u5206\uff09\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><\/div>\n\n\n<div id=\"sec-06\"><\/div>\n<h2 class=\"section-header-img\" style=\"margin:32px 0 24px;border-radius:8px;overflow:hidden;background:linear-gradient(135deg,#1a1a1a 0%,#2a1015 100%);padding:32px 28px;color:#fff;position:relative;border:none;border-left:none;text-align:left;\">\n  <span class=\"section-number\" style=\"display:block;\">06<\/span>\n  <span class=\"section-label\" style=\"display:block;\">GENAI CASE STUDY<\/span>\n  <span class=\"section-title\" style=\"display:block;\">\u3010\u72ec\u81ea\u30c7\u30fc\u30bf\u3011GENAI\u793e\u5185\u306eAPI\u5b9f\u88c5\u5de5\u6570\u524a\u6e1b\u5b9f\u7e3e<\/span>\n  <span class=\"section-desc\">Max 20x\u30d7\u30e9\u30f3\u5951\u7d04\u4f1a\u793e\u304c\u3001\u30b3\u30fc\u30c9\u5b9f\u88c5\u3092\u3069\u3053\u307e\u3067AI\u306b\u4efb\u305b\u3066\u3044\u308b\u304b<\/span>\n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u3053\u307e\u3067Java\u306e\u6a19\u6e96API\u3092\u4e00\u3064\u305a\u3064\u89e3\u8aac\u3057\u3066\u304d\u307e\u3057\u305f\u304c\u3001\u6b63\u76f4\u306a\u3068\u3053\u308d\u3001<strong>\u3053\u308c\u3089\u5168\u3066\u3092\u5b8c\u74a7\u306b\u6697\u8a18\u3059\u308b\u5fc5\u8981\u306f\u3001\u3082\u306f\u3084\u3042\u308a\u307e\u305b\u3093<\/strong>\u3002\u5f0a\u793e\uff08\u682a\u5f0f\u4f1a\u793eGENAI\uff09\u3067\u306f\u3001Claude Code\uff08Anthropic\u306eAI\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\uff09\u3092\u5168\u793e\u5951\u7d04\u3057\u3001API\u5b9f\u88c5\u3092\u542b\u3080\u958b\u767a\u696d\u52d9\u306e\u5927\u90e8\u5206\u3092AI\u306b\u4efb\u305b\u308b\u904b\u7528\u306b\u5207\u308a\u66ff\u3048\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<table>\n<thead><tr><th>\u9805\u76ee<\/th><th>\u5185\u5bb9<\/th><\/tr><\/thead>\n<tbody>\n<tr><td>\u5951\u7d04\u30d7\u30e9\u30f3<\/td><td>Claude Max 20x\uff08\u6708$200 \/ \u7d0430,000\u5186\uff09<\/td><\/tr>\n<tr><td>\u5229\u7528\u958b\u59cb<\/td><td>2025\u5e74\u5f8c\u534a\u301c<\/td><\/tr>\n<tr><td>\u5229\u7528\u90e8\u7f72<\/td><td>\u7d4c\u55b6\u30fb\u55b6\u696d\u30fb\u5e83\u544a\u30fb\u958b\u767a\u30fb\u7d4c\u7406\u30fb\u79d8\u66f8\u696d\u52d9\u30fb\u500b\u4eba\u696d\u52d9\u307e\u3067\u5168\u793e<\/td><\/tr>\n<tr><td>\u958b\u767a\u696d\u52d9\u3067\u306e\u7528\u9014<\/td><td>WordPress\/LP\u5236\u4f5c\u3001\u696d\u52d9\u30b9\u30af\u30ea\u30d7\u30c8\u66f8\u304d\u6368\u3066\u3001\u793e\u5185\u30c4\u30fc\u30eb\u958b\u767a<\/td><\/tr>\n<\/tbody>\n<\/table>\n\n\n\n<h3 class=\"wp-block-heading\">6-1. \u300cAPI\u540d\u3092\u899a\u3048\u308b\u300d\u304b\u3089\u300c\u3084\u308a\u305f\u3044\u3053\u3068\u3092\u4f1d\u3048\u308b\u300d\u3078\u306e\u8ee2\u63db<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f0a\u793e\u306e\u958b\u767a\u696d\u52d9\u3067\u306f\u3001\u4ee5\u524d\u306f\u300c\u3053\u306e\u51e6\u7406\u306b\u306f\u3069\u306e\u30af\u30e9\u30b9\u3068\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3046\u3079\u304d\u304b\u300d\u3092\u30a8\u30f3\u30b8\u30cb\u30a2\u304c\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3067\u8abf\u3079\u306a\u304c\u3089\u5b9f\u88c5\u3057\u3066\u3044\u307e\u3057\u305f\u3002\u73fe\u5728\u306f<strong>\u300c\u9867\u5ba2\u30ea\u30b9\u30c8\u3092\u91cd\u8907\u306a\u304f\u96c6\u8a08\u3057\u305f\u3044\u300d\u3068\u3044\u3063\u305f\u81ea\u7136\u8a00\u8a9e\u306e\u6307\u793a<\/strong>\u3092Claude Code\u306b\u6e21\u3059\u3060\u3051\u3067\u3001\u9069\u5207\u306aAPI\uff08List\u30fbSet\u30fbMap\u306a\u3069\uff09\u3092\u81ea\u52d5\u9078\u629e\u3057\u305f\u30b3\u30fc\u30c9\u304c\u751f\u6210\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u793e\u5185\u306e\u958b\u767a\u95a2\u9023\u696d\u52d9\uff08WordPress\/LP\u5236\u4f5c\u3001\u696d\u52d9\u30b9\u30af\u30ea\u30d7\u30c8\u306e\u66f8\u304d\u6368\u3066\u306a\u3069\uff09\u306f\u3001\u90fd\u5ea6\u306e\u4f5c\u696d\u3067\u305d\u306e\u90fd\u5ea6\u6570\u6642\u9593\u5358\u4f4d\u306e\u524a\u6e1b\u304c\u767a\u751f\u3057\u3066\u3044\u308b\u808c\u611f\u3067\u3059\u3002API\u4ed5\u69d8\u3092\u90fd\u5ea6\u8abf\u3079\u308b\u6642\u9593\u304c\u307b\u307c\u30bc\u30ed\u306b\u306a\u3063\u305f\u3001\u3068\u3044\u3046\u70b9\u304c\u6700\u3082\u5927\u304d\u306a\u5909\u5316\u3067\u3059\u3002<\/p>\n\n\n\n<div class=\"g-flow-row\" style=\"margin:24px 0;\">\n  <div class=\"g-flow-item\"><strong>\u5f93\u6765<\/strong><br><span style=\"font-size:12px;\">Javadoc\u3067<br>API\u4ed5\u69d8\u3092\u8abf\u67fb<\/span><\/div>\n  <div class=\"g-flow-arrow\">&#8594;<\/div>\n  <div class=\"g-flow-item\"><strong>\u5f93\u6765<\/strong><br><span style=\"font-size:12px;\">\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3092<br>\u53c2\u8003\u306b\u5b9f\u88c5<\/span><\/div>\n  <div class=\"g-flow-arrow\">&#8594;<\/div>\n  <div class=\"g-flow-item\"><strong>\u73fe\u5728<\/strong><br><span style=\"font-size:12px;\">Claude Code\u306b<br>\u3084\u308a\u305f\u3044\u3053\u3068\u3092\u6307\u793a<\/span><\/div>\n  <div class=\"g-flow-arrow\">&#8594;<\/div>\n  <div class=\"g-flow-item\"><strong>\u73fe\u5728<\/strong><br><span style=\"font-size:12px;\">\u751f\u6210\u30b3\u30fc\u30c9\u3092<br>\u30ec\u30d3\u30e5\u30fc\u3057\u3066\u53cd\u6620<\/span><\/div>\n<\/div>\n\n\n\n<div style=\"background:#fef2f2;border:2px solid #dc2626;border-radius:8px;padding:20px 24px;margin:24px 0;\">\n  <div style=\"display:flex;align-items:center;gap:8px;margin-bottom:12px;\">\n    <span style=\"font-size:20px;\">&#9888;&#65039;<\/span>\n    <strong style=\"color:#dc2626;font-size:16px;\">\u6570\u5024\u306e\u6ce8\u610f\u66f8\u304d<\/strong>\n  <\/div>\n  <p style=\"margin:0;font-size:15px;line-height:1.8;color:#333;\">\u4e0a\u8a18\u306f\u5f0a\u793e\u306e\u808c\u611f\u30d9\u30fc\u30b9\u306e\u6570\u5024\u3067\u3042\u308a\u3001\u696d\u7a2e\u30fb\u696d\u614b\u30fb\u62c5\u5f53\u8005\u306e\u30b9\u30ad\u30eb\u306b\u3088\u3063\u3066\u524a\u6e1b\u6642\u9593\u306f\u5909\u52d5\u3057\u307e\u3059\u3002\u3042\u304f\u307e\u3067\u300cMax 20x\u30d7\u30e9\u30f3\u3092\u5168\u793e\u3067\u56de\u3059\u3068\u3069\u306e\u7a0b\u5ea6\u307e\u3067\u4f7f\u3044\u5012\u305b\u308b\u304b\u300d\u306e\u53c2\u8003\u60c5\u5831\u3068\u3057\u3066\u3054\u89a7\u304f\u3060\u3055\u3044\u3002\u300c\u5b8c\u5168\u81ea\u52d5\u5316\u300d\u3067\u306f\u306a\u304f\u3001\u751f\u6210\u3055\u308c\u305f\u30b3\u30fc\u30c9\u306f\u5fc5\u305a\u4eba\u9593\u304c\u30ec\u30d3\u30e5\u30fc\u3059\u308b\u5de5\u7a0b\u3092\u6b8b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<\/div>\n\n\n\n<div class=\"balloon-wrap is-right\">\n  <div class=\"balloon-icon\">\n    <img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/04\/yamazaki-avatar.png\" alt=\"AI\u9b3c\u7ba1\u7406\u5c71\u5d0e\">\n    <span class=\"balloon-name\">AI\u9b3c\u7ba1\u7406\u5c71\u5d0e<\/span>\n  <\/div>\n  <div class=\"balloon-body\">API\u4ed5\u69d8\u3092\u8abf\u3079\u308b\u6642\u9593\u81ea\u4f53\u304c\u30bc\u30ed\u306b\u306a\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u305f\u3060\u3001\u300c\u307e\u305a\u81ea\u5206\u3067\u8abf\u3079\u3066\u3001\u5206\u304b\u3089\u306a\u3051\u308c\u3070AI\u306b\u805e\u304f\u300d\u304b\u3089\u300c\u307e\u305aAI\u306b\u805e\u3044\u3066\u3001\u51fa\u3066\u304d\u305f\u30b3\u30fc\u30c9\u306e\u59a5\u5f53\u6027\u3092\u5224\u65ad\u3059\u308b\u300d\u306b\u9806\u5e8f\u304c\u5909\u308f\u3063\u305f\u3053\u3068\u3067\u3001\u8a70\u307e\u308b\u6642\u9593\u304c\u5927\u5e45\u306b\u6e1b\u308a\u307e\u3057\u305f\u3002<\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">6-2. \u696d\u52d9\u5168\u4f53\u3067\u306e\u524a\u6e1b\u5b9f\u7e3e\uff08\u53c2\u8003\uff09<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u958b\u767a\u696d\u52d9\u4ee5\u5916\u3067\u3082\u3001\u5f0a\u793e\u3067\u306f\u5168\u793e\u7684\u306bClaude Code\u3092\u6d3b\u7528\u3057\u3066\u3044\u307e\u3059\u3002\u53c2\u8003\u3068\u3057\u3066\u3001\u4ed6\u696d\u52d9\u9818\u57df\u306e\u6982\u7b97\u524a\u6e1b\u6642\u9593\u3082\u5171\u6709\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<table>\n<thead><tr><th>\u696d\u52d9\u9818\u57df<\/th><th>\u4e3b\u306a\u7528\u9014<\/th><th>\u6982\u7b97\u524a\u6e1b\u6642\u9593<\/th><\/tr><\/thead>\n<tbody>\n<tr><td>\u55b6\u696d<\/td><td>\u63d0\u6848\u66f8\u30fb\u898b\u7a4d\u30fb\u9867\u5ba2\u5225\u8cc7\u6599\u306e\u81ea\u52d5\u751f\u6210<\/td><td>\u903120h \u2192 \u90312h<\/td><\/tr>\n<tr><td>\u5e83\u544a\u904b\u7528<\/td><td>\u9031\u6b21\u30ec\u30dd\u30fc\u30c8\u30fbCPA\u5206\u6790\u30fb\u914d\u4fe1\u5185\u5bb9\u8abf\u6574<\/td><td>\u903110h \u2192 \u90311h<\/td><\/tr>\n<tr><td>\u30d6\u30ed\u30b0\u8a18\u4e8b<\/td><td>SEO\u8a18\u4e8b\u57f7\u7b46\u30fb\u30ea\u30e9\u30a4\u30c8\u30fb\u5185\u90e8\u30ea\u30f3\u30af\u6700\u9069\u5316<\/td><td>1\u672c8h \u2192 1\u672c1h<\/td><\/tr>\n<tr><td>\u7d4c\u7406<\/td><td>\u8acb\u6c42\u66f8\u30c1\u30a7\u30c3\u30af\u30fb\u7d4c\u8cbb\u4ed5\u8a33\u30fbFreee\u9023\u643a<\/td><td>\u670840h \u2192 \u67085h<\/td><\/tr>\n<tr><td>\u79d8\u66f8\u696d\u52d9<\/td><td>\u65e5\u5831\u751f\u6210\u30fb\u8b70\u4e8b\u9332\u30fb\u30b9\u30b1\u30b8\u30e5\u30fc\u30eb\u8abf\u6574<\/td><td>\u65e52h \u2192 \u65e515\u5206<\/td><\/tr>\n<\/tbody>\n<\/table>\n\n\n\n<div class=\"balloon-wrap\">\n  <div class=\"balloon-icon\">\n    <img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/04\/ceo-sugasawa.jpg\" alt=\"\u4ee3\u8868\u83c5\u6fa4\">\n    <span class=\"balloon-name\">\u4ee3\u8868\u83c5\u6fa4<\/span>\n  <\/div>\n  <div class=\"balloon-body\">\u30a8\u30f3\u30b8\u30cb\u30a2\u3067\u306a\u3044\u79c1\u81ea\u8eab\u3082\u3001\u300c\u3053\u306e\u51e6\u7406\u3092\u5b9f\u73fe\u3057\u305f\u3044\u30b3\u30fc\u30c9\u3092\u66f8\u3044\u3066\u300d\u3068Claude Code\u306b\u983c\u3080\u3060\u3051\u3067\u3001\u793e\u5185\u30c4\u30fc\u30eb\u306e\u8a66\u4f5c\u54c1\u3092\u4f5c\u308c\u3066\u3044\u307e\u3059\u3002API\u540d\u30921\u3064\u3082\u77e5\u3089\u306a\u304f\u3066\u3082\u3001\u696d\u52d9\u306f\u524d\u306b\u9032\u3081\u3089\u308c\u308b\u6642\u4ee3\u306b\u306a\u3063\u305f\u3068\u611f\u3058\u3066\u3044\u307e\u3059\u3002<\/div>\n<\/div>\n\n\n<div style=\"margin:48px 0 8px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap;\"><a href=\"https:\/\/aikanri.genai-ai.co.jp\/aibpo\/makase\/blog\/?utm_source=blog&#038;utm_medium=h2banner&#038;utm_content=cc-java-api-guide&#038;blog_slug=cc-java-api-guide&#038;blog_title=%E3%80%902026%E5%B9%B49%E6%9C%88%E6%9C%80%E6%96%B0%E3%80%91Java%E3%81%AEAPI%E3%81%A8%E3%81%AF%EF%BC%9F%E6%A8%99%E6%BA%96API%E3%81%AE%E4%BD%BF%E3%81%84%E6%96%B9%E3%81%A8%E3%83%AA%E3%83%95%E3%82%A1%E3%83%AC%E3%83%B3%E3%82%B9%E3%81%AE%E8%AA%AD%E3%81%BF%E6%96%B9%E3%82%92%E5%AE%8C%E5%85%A8%E8%A7%A3%E8%AA%AC%EF%BD%9C%E9%9D%9E%E3%82%A8%E3%83%B3%E3%82%B8%E3%83%8B%E3%82%A2%E3%81%8C%E5%AD%A6%E7%BF%92%E3%82%B3%E3%82%B9%E3%83%88%E3%82%92%E3%82%BC%E3%83%AD%E3%81%AB%E3%81%99%E3%82%8B%E6%96%B9%E6%B3%95&#038;blog_url=https%3A%2F%2Fgenai-ai.co.jp%2Fai-kanri%2Fblog%2Fcc-java-api-guide%2F&#038;utm_campaign=aibpo_makase\" target=\"_blank\" rel=\"noopener\" aria-label=\"AI\u793e\u54e1AIKATA\uff08\u670830\u4e07\u5186\u3067\u696d\u52d9\u307e\u304b\u305b\u653e\u984c\uff09\u306e\u7121\u6599\u76f8\u8ac7 \u4e88\u7d04\u30da\u30fc\u30b8\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/09\/cta_blog_makase_20260904.jpg\" alt=\"AI\u793e\u54e1AIKATA\uff5c\u670830\u4e07\u5186\u306e\u5b9a\u984d\u3067\u5fa1\u793e\u306e\u696d\u52d9\u3092\u307e\u308b\u3054\u3068\u5dfb\u304d\u53d6\u308a\u307e\u3059\uff08\u7121\u6599\u76f8\u8ac760\u5206\uff09\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><a href=\"https:\/\/aikanri.genai-ai.co.jp\/koteihi-line\/?utm_source=blog&#038;utm_medium=h2banner&#038;utm_content=cc-java-api-guide&#038;blog_slug=cc-java-api-guide&#038;blog_title=%E3%80%902026%E5%B9%B49%E6%9C%88%E6%9C%80%E6%96%B0%E3%80%91Java%E3%81%AEAPI%E3%81%A8%E3%81%AF%EF%BC%9F%E6%A8%99%E6%BA%96API%E3%81%AE%E4%BD%BF%E3%81%84%E6%96%B9%E3%81%A8%E3%83%AA%E3%83%95%E3%82%A1%E3%83%AC%E3%83%B3%E3%82%B9%E3%81%AE%E8%AA%AD%E3%81%BF%E6%96%B9%E3%82%92%E5%AE%8C%E5%85%A8%E8%A7%A3%E8%AA%AC%EF%BD%9C%E9%9D%9E%E3%82%A8%E3%83%B3%E3%82%B8%E3%83%8B%E3%82%A2%E3%81%8C%E5%AD%A6%E7%BF%92%E3%82%B3%E3%82%B9%E3%83%88%E3%82%92%E3%82%BC%E3%83%AD%E3%81%AB%E3%81%99%E3%82%8B%E6%96%B9%E6%B3%95&#038;blog_url=https%3A%2F%2Fgenai-ai.co.jp%2Fai-kanri%2Fblog%2Fcc-java-api-guide%2F&#038;utm_campaign=koteihi_shindan\" target=\"_blank\" rel=\"noopener\" aria-label=\"\u516c\u5f0fLINE\u306e\u56fa\u5b9a\u8cbb\u524a\u6e1b\u8a3a\u65ad\uff08\u7121\u6599\u30fb\u7d041\u5206\uff09\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/09\/cta_blog_koteihi_line.jpg\" alt=\"\u5fa1\u793e\u304c\u6e1b\u3089\u305b\u308b\u56fa\u5b9a\u8cbb\u306f\u6708\u3044\u304f\u3089\u304b\uff5c\u516c\u5f0fLINE\u3067\u8cea\u554f\u306b\u7b54\u3048\u308b\u3060\u3051\uff08\u7121\u6599\u30fb\u7d041\u5206\uff09\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><\/div>\n\n\n<div id=\"sec-07\"><\/div>\n<h2 class=\"section-header-img\" style=\"margin:32px 0 24px;border-radius:8px;overflow:hidden;background:linear-gradient(135deg,#1a1a1a 0%,#2a1015 100%);padding:32px 28px;color:#fff;position:relative;border:none;border-left:none;text-align:left;\">\n  <span class=\"section-number\" style=\"display:block;\">07<\/span>\n  <span class=\"section-label\" style=\"display:block;\">DECISION FRAMEWORK<\/span>\n  <span class=\"section-title\" style=\"display:block;\">\u3010\u72ec\u81ea\u3011\u7d4c\u55b6\u8005\u304c\u300c\u5b66\u7fd2\u3059\u308b\u300d\u304b\u300c\u4efb\u305b\u308b\u300d\u304b\u3092\u5224\u65ad\u3059\u308b3\u57fa\u6e96<\/span>\n  <span class=\"section-desc\">API\u5b66\u7fd2\u306b\u6642\u9593\u3092\u6295\u8cc7\u3059\u3079\u304d\u4eba\u3068\u3001\u4efb\u305b\u308b\u3079\u304d\u4eba\u306e\u9055\u3044<\/span>\n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u300cJava API\u3092\u899a\u3048\u308b\u3079\u304d\u304b\u3001AI\u306b\u4efb\u305b\u308b\u3079\u304d\u304b\u300d\u2014\u2014\u3053\u306e\u554f\u3044\u306b\u4e00\u5f8b\u306e\u6b63\u89e3\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u7acb\u5834\u306b\u3088\u3063\u3066\u6700\u9069\u89e3\u304c\u5909\u308f\u308a\u307e\u3059\u3002\u3053\u3053\u3067\u306f\u3001\u5f0a\u793e\u306e\u5c0e\u5165\u652f\u63f4\u3067\u4f7f\u3063\u3066\u3044\u308b3\u3064\u306e\u5224\u65ad\u57fa\u6e96\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">7-1. \u57fa\u6e961\uff1a\u3042\u306a\u305f\u306e\u5f79\u5272\u306f\u300c\u4f5c\u308b\u5074\u300d\u304b\u300c\u5224\u65ad\u3059\u308b\u5074\u300d\u304b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u81ea\u5206\u81ea\u8eab\u304c\u30a8\u30f3\u30b8\u30cb\u30a2\u3068\u3057\u3066\u30ad\u30e3\u30ea\u30a2\u3092\u7a4d\u307f\u305f\u3044\u3001\u3042\u308b\u3044\u306fAI\u304c\u751f\u6210\u3057\u305f\u30b3\u30fc\u30c9\u306e\u54c1\u8cea\u3092\u8a55\u4fa1\u3059\u308b\u7acb\u5834\u306b\u3042\u308b\u5834\u5408\u306f\u3001\u6a19\u6e96API\u306e\u57fa\u790e\u77e5\u8b58\u306f\u4f9d\u7136\u3068\u3057\u3066\u5fc5\u9808\u3067\u3059\u3002\u4e00\u65b9\u3001\u7d4c\u55b6\u8005\u3084\u7ba1\u7406\u8077\u3068\u3057\u3066\u300c\u52d5\u304f\u3082\u306e\u3092\u65e9\u304f\u5f62\u306b\u3057\u305f\u3044\u300d\u7acb\u5834\u3067\u3042\u308c\u3070\u3001API\u540d\u3092\u6697\u8a18\u3059\u308b\u6642\u9593\u306f\u4ed6\u306e\u696d\u52d9\u5224\u65ad\u306b\u56de\u3057\u305f\u65b9\u304c\u6295\u8cc7\u5bfe\u52b9\u679c\u304c\u9ad8\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"point-box\">\n  <div class=\"point-title\">\u5224\u65ad\u5f0f<\/div>\n  <p><strong>\u300c\u3053\u306e\u30b9\u30ad\u30eb\u306f\u81ea\u5206\u306e\u30b3\u30a2\u696d\u52d9\u306b\u76f4\u7d50\u3059\u308b\u304b\uff1f\u300d\u3092\u81ea\u554f\u3059\u308b<\/strong><br>\u30b3\u30a2\u696d\u52d9\u306b\u76f4\u7d50\u3057\u306a\u3044\u30b9\u30ad\u30eb\u306f\u3001\u5b66\u7fd2\u3059\u308b\u3088\u308a\u300c\u4f7f\u3044\u3053\u306a\u305b\u308b\u4eba\u30fbAI\u306b\u4efb\u305b\u308b\u300d\u65b9\u304c\u5408\u7406\u7684\u3067\u3059\u3002<\/p>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">7-2. \u57fa\u6e962\uff1a\u30a8\u30e9\u30fc\u5bfe\u5fdc\u307e\u3067\u81ea\u5206\u3067\u5b8c\u7d50\u3055\u305b\u308b\u5fc5\u8981\u304c\u3042\u308b\u304b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u30b7\u30b9\u30c6\u30e0\u306e\u30c8\u30e9\u30d6\u30eb\u5bfe\u5fdc\u309224\u6642\u9593\u81ea\u5206\u3067\u62c5\u3046\u7acb\u5834\u306a\u3089\u3001\u6a19\u6e96API\u306e\u77e5\u8b58\u304c\u306a\u3044\u3068\u539f\u56e0\u8abf\u67fb\u3067\u3064\u307e\u305a\u304d\u307e\u3059\u3002\u9006\u306b\u3001\u958b\u767a\u30c1\u30fc\u30e0\u3084AI\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u306b\u5b9f\u88c5\u3092\u4efb\u305b\u3001\u81ea\u5206\u306f\u8981\u4ef6\u5b9a\u7fa9\u3068\u7d50\u679c\u78ba\u8a8d\u306b\u5c02\u5ff5\u3059\u308b\u7acb\u5834\u3067\u3042\u308c\u3070\u3001API\u540d\u3088\u308a\u300c\u3069\u3046\u3044\u3046\u6319\u52d5\u304c\u6b63\u3057\u3044\u306e\u304b\u300d\u3092\u5224\u65ad\u3059\u308b\u76ee\u3092\u990a\u3046\u65b9\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<div style=\"background:#fafafa;border-radius:8px;padding:16px 20px;margin:16px 0;border-left:4px solid #dc2626;\">\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span>\u6df1\u304f\u5b66\u3076\u3079\u304d\u4eba\uff1a\u5c06\u6765\u30a8\u30f3\u30b8\u30cb\u30a2\u3068\u3057\u3066\u624b\u3092\u52d5\u304b\u3057\u7d9a\u3051\u305f\u3044 \/ \u30b7\u30b9\u30c6\u30e0\u4fdd\u5b88\u3092\u81ea\u5206\u3067\u62c5\u3046<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span>AI\u306b\u4efb\u305b\u3066\u3088\u3044\u4eba\uff1a\u7d4c\u55b6\u30fb\u4f01\u753b\u30fb\u55b6\u696d\u306a\u3069\u306e\u7acb\u5834\u3067\u3001\u5b9f\u88c5\u306f\u90fd\u5ea6\u767a\u751f\u3059\u308b\u526f\u6b21\u696d\u52d9 \/ \u30b9\u30d4\u30fc\u30c9\u512a\u5148\u3067\u8a66\u4f5c\u3092\u56de\u3057\u305f\u3044<\/span><\/div>\n\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">7-3. \u57fa\u6e963\uff1a\u5b66\u7fd2\u6642\u9593\u3092\u30da\u30a4\u3067\u304d\u308b\u983b\u5ea6\u3067\u4f7f\u3046\u304b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u6708\u306b1\u56de\u3060\u3051Java\u306e\u30b3\u30fc\u30c9\u306b\u89e6\u308c\u308b\u3001\u3068\u3044\u3046\u30ec\u30d9\u30eb\u306e\u983b\u5ea6\u3067\u3042\u308c\u3070\u3001\u5b66\u7fd2\u3057\u305fAPI\u77e5\u8b58\u306f\u3059\u3050\u306b\u5fd8\u308c\u3066\u3057\u307e\u3044\u3001\u6295\u8cc7\u5bfe\u52b9\u679c\u304c\u4f4e\u304f\u306a\u308a\u307e\u3059\u3002\u9006\u306b\u9031\u306b\u4f55\u5ea6\u3082\u30b3\u30fc\u30c9\u3092\u66f8\u304f\u6a5f\u4f1a\u304c\u3042\u308b\u306a\u3089\u3001\u57fa\u790e\u3092\u56fa\u3081\u308b\u6295\u8cc7\u306f\u9577\u671f\u7684\u306b\u30ea\u30bf\u30fc\u30f3\u304c\u5927\u304d\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<div style=\"background:#f0fdf4;border:1px solid #22c55e;border-radius:8px;padding:20px 24px;margin:24px 0;\">\n  <div style=\"display:flex;align-items:center;gap:8px;margin-bottom:12px;\">\n    <span style=\"font-size:18px;\">&#128161;<\/span>\n    <strong style=\"color:#16a34a;font-size:15px;\">\u4f75\u7528\u304c\u6700\u9069\u89e3<\/strong>\n  <\/div>\n  <p style=\"margin:0;font-size:15px;line-height:1.8;color:#333;\">\u5b9f\u969b\u306b\u306f\u300c\u57fa\u790e\u3060\u3051\u306f\u7406\u89e3\u3057\u3066\u304a\u304d\u3001\u8a73\u7d30\u306a\u5b9f\u88c5\u306fClaude Code\u306b\u4efb\u305b\u308b\u300d\u3068\u3044\u3046\u30cf\u30a4\u30d6\u30ea\u30c3\u30c9\u304c\u6700\u3082\u52b9\u7387\u7684\u3067\u3059\u3002\u3053\u306e\u8a18\u4e8b\u3067\u7d39\u4ecb\u3057\u305fList\u30fbMap\u30fbSet\u306e\u9055\u3044\u306e\u3088\u3046\u306a\u300c\u8003\u3048\u65b9\u300d\u3060\u3051\u62bc\u3055\u3048\u3066\u304a\u3051\u3070\u3001AI\u304c\u751f\u6210\u3057\u305f\u30b3\u30fc\u30c9\u306e\u59a5\u5f53\u6027\u30c1\u30a7\u30c3\u30af\u3082\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<\/div>\n\n\n\n<div class=\"balloon-wrap is-right\">\n  <div class=\"balloon-icon\">\n    <img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/04\/yamazaki-avatar.png\" alt=\"AI\u9b3c\u7ba1\u7406\u5c71\u5d0e\">\n    <span class=\"balloon-name\">AI\u9b3c\u7ba1\u7406\u5c71\u5d0e<\/span>\n  <\/div>\n  <div class=\"balloon-body\">\u30bc\u30ed\u304b\u3089\u5168\u90e8\u899a\u3048\u308b\u304b\u3001\u5168\u90e8AI\u306b\u4efb\u305b\u308b\u304b\u306e\u4e8c\u629e\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u300c\u4f55\u3092\u5224\u65ad\u3067\u304d\u308c\u3070\u5341\u5206\u304b\u300d\u3092\u5148\u306b\u6c7a\u3081\u3066\u3001\u305d\u3053\u3060\u3051\u4eba\u9593\u304c\u62bc\u3055\u3048\u308b\u3002\u6b8b\u308a\u306fAI\u306b\u4efb\u305b\u308b\u3002\u3053\u306e\u7dda\u5f15\u304d\u304c\u7d4c\u55b6\u5224\u65ad\u3068\u3057\u3066\u306f\u4e00\u756a\u52b9\u7387\u7684\u3067\u3059\u3002<\/div>\n<\/div>\n\n\n<div style=\"margin:48px 0 8px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap;\"><a href=\"https:\/\/aikanri.genai-ai.co.jp\/aibpo\/makase\/blog\/?utm_source=blog&#038;utm_medium=h2banner&#038;utm_content=cc-java-api-guide&#038;blog_slug=cc-java-api-guide&#038;blog_title=%E3%80%902026%E5%B9%B49%E6%9C%88%E6%9C%80%E6%96%B0%E3%80%91Java%E3%81%AEAPI%E3%81%A8%E3%81%AF%EF%BC%9F%E6%A8%99%E6%BA%96API%E3%81%AE%E4%BD%BF%E3%81%84%E6%96%B9%E3%81%A8%E3%83%AA%E3%83%95%E3%82%A1%E3%83%AC%E3%83%B3%E3%82%B9%E3%81%AE%E8%AA%AD%E3%81%BF%E6%96%B9%E3%82%92%E5%AE%8C%E5%85%A8%E8%A7%A3%E8%AA%AC%EF%BD%9C%E9%9D%9E%E3%82%A8%E3%83%B3%E3%82%B8%E3%83%8B%E3%82%A2%E3%81%8C%E5%AD%A6%E7%BF%92%E3%82%B3%E3%82%B9%E3%83%88%E3%82%92%E3%82%BC%E3%83%AD%E3%81%AB%E3%81%99%E3%82%8B%E6%96%B9%E6%B3%95&#038;blog_url=https%3A%2F%2Fgenai-ai.co.jp%2Fai-kanri%2Fblog%2Fcc-java-api-guide%2F&#038;utm_campaign=aibpo_makase\" target=\"_blank\" rel=\"noopener\" aria-label=\"AI\u793e\u54e1AIKATA\uff08\u670830\u4e07\u5186\u3067\u696d\u52d9\u307e\u304b\u305b\u653e\u984c\uff09\u306e\u7121\u6599\u76f8\u8ac7 \u4e88\u7d04\u30da\u30fc\u30b8\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/09\/cta_blog_makase_20260904.jpg\" alt=\"AI\u793e\u54e1AIKATA\uff5c\u670830\u4e07\u5186\u306e\u5b9a\u984d\u3067\u5fa1\u793e\u306e\u696d\u52d9\u3092\u307e\u308b\u3054\u3068\u5dfb\u304d\u53d6\u308a\u307e\u3059\uff08\u7121\u6599\u76f8\u8ac760\u5206\uff09\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><a href=\"https:\/\/aikanri.genai-ai.co.jp\/koteihi-line\/?utm_source=blog&#038;utm_medium=h2banner&#038;utm_content=cc-java-api-guide&#038;blog_slug=cc-java-api-guide&#038;blog_title=%E3%80%902026%E5%B9%B49%E6%9C%88%E6%9C%80%E6%96%B0%E3%80%91Java%E3%81%AEAPI%E3%81%A8%E3%81%AF%EF%BC%9F%E6%A8%99%E6%BA%96API%E3%81%AE%E4%BD%BF%E3%81%84%E6%96%B9%E3%81%A8%E3%83%AA%E3%83%95%E3%82%A1%E3%83%AC%E3%83%B3%E3%82%B9%E3%81%AE%E8%AA%AD%E3%81%BF%E6%96%B9%E3%82%92%E5%AE%8C%E5%85%A8%E8%A7%A3%E8%AA%AC%EF%BD%9C%E9%9D%9E%E3%82%A8%E3%83%B3%E3%82%B8%E3%83%8B%E3%82%A2%E3%81%8C%E5%AD%A6%E7%BF%92%E3%82%B3%E3%82%B9%E3%83%88%E3%82%92%E3%82%BC%E3%83%AD%E3%81%AB%E3%81%99%E3%82%8B%E6%96%B9%E6%B3%95&#038;blog_url=https%3A%2F%2Fgenai-ai.co.jp%2Fai-kanri%2Fblog%2Fcc-java-api-guide%2F&#038;utm_campaign=koteihi_shindan\" target=\"_blank\" rel=\"noopener\" aria-label=\"\u516c\u5f0fLINE\u306e\u56fa\u5b9a\u8cbb\u524a\u6e1b\u8a3a\u65ad\uff08\u7121\u6599\u30fb\u7d041\u5206\uff09\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/09\/cta_blog_koteihi_line.jpg\" alt=\"\u5fa1\u793e\u304c\u6e1b\u3089\u305b\u308b\u56fa\u5b9a\u8cbb\u306f\u6708\u3044\u304f\u3089\u304b\uff5c\u516c\u5f0fLINE\u3067\u8cea\u554f\u306b\u7b54\u3048\u308b\u3060\u3051\uff08\u7121\u6599\u30fb\u7d041\u5206\uff09\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><\/div>\n\n\n<div id=\"sec-08\"><\/div>\n<h2 class=\"section-header-img\" style=\"margin:32px 0 24px;border-radius:8px;overflow:hidden;background:linear-gradient(135deg,#1a1a1a 0%,#2a1015 100%);padding:32px 28px;color:#fff;position:relative;border:none;border-left:none;text-align:left;\">\n  <span class=\"section-number\" style=\"display:block;\">08<\/span>\n  <span class=\"section-label\" style=\"display:block;\">CONCLUSION<\/span>\n  <span class=\"section-title\" style=\"display:block;\">\u307e\u3068\u3081 \u2500\u2500 API\u3092\u899a\u3048\u308b\u524d\u306b\u3001\u4efb\u305b\u308b\u9078\u629e\u80a2\u3092\u77e5\u308b<\/span>\n  <span class=\"section-desc\">\u6a19\u6e96API\u306e\u57fa\u790e\u77e5\u8b58\u3068\u3001AI\u306b\u4efb\u305b\u308b\u5224\u65ad\u529b\u306e\u4e21\u65b9\u3092\u6301\u3064<\/span>\n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001Java\u306eAPI\u3068\u306f\u4f55\u304b\u3068\u3044\u3046\u57fa\u672c\u6982\u5ff5\u304b\u3089\u3001Javadoc\u306e\u8aad\u307f\u65b9\u3001\u983b\u51fa\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\uff08List\u30fbMap\u30fbSet\uff09\u3001\u983b\u51fa\u30af\u30e9\u30b9\uff08String\u30fbFile\u30fbCalendar\u30fbArrayList\u30fbDate\u30fbMath\uff09\u3001\u305d\u306e\u4ed6\u306e\u4e3b\u8981API\uff08JavaMail\u30fbServlet\u30fbJSON\uff09\u307e\u3067\u6574\u7406\u3057\u307e\u3057\u305f\u3002\u6700\u5f8c\u306b\u30dd\u30a4\u30f3\u30c8\u3092\u632f\u308a\u8fd4\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<div style=\"background:#fafafa;border-radius:8px;padding:16px 20px;margin:16px 0;border-left:4px solid #dc2626;\">\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span>API\u3068\u306f\u300c\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306e\u6a5f\u80fd\u3092\u547c\u3073\u51fa\u3059\u305f\u3081\u306e\u7a93\u53e3\u300d\u3067\u3042\u308a\u3001\u8eca\u8f2a\u306e\u518d\u767a\u660e\u3092\u907f\u3051\u308b\u305f\u3081\u306e\u4ed5\u7d44\u307f<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span>Javadoc\u306f\u300c\u30d1\u30c3\u30b1\u30fc\u30b8\u2192\u30af\u30e9\u30b9\u2192\u30e1\u30bd\u30c3\u30c9\u300d\u306e3\u968e\u5c64\u3067\u8aad\u3080\u3068\u8ff7\u308f\u306a\u3044<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span>List\uff08\u9806\u5e8f\uff09\u30fbMap\uff08\u30ad\u30fc\u3068\u5024\uff09\u30fbSet\uff08\u91cd\u8907\u306a\u3057\uff09\u306e3\u3064\u306f\u5b9f\u52d9\u3067\u306e\u4f7f\u7528\u983b\u5ea6\u304c\u6700\u3082\u9ad8\u3044<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span>String\u30fbArrayList\u30fbFile\u30fbCalendar\/Date\u30fbMath\u306e6\u30af\u30e9\u30b9\u3092\u899a\u3048\u308c\u3070\u5b9f\u52d9\u306e\u5927\u90e8\u5206\u306b\u5bfe\u5fdc\u3067\u304d\u308b<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span>Applet\u306f\u975e\u63a8\u5968\u3001JSON\u306f\u5916\u90e8\u9023\u643a\u3067\u5fc5\u9808\u77e5\u8b58<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span>\u5f0a\u793eGENAI\u3067\u306fClaude Code\u306e\u6d3b\u7528\u3067API\u5b9f\u88c5\u306e\u8abf\u67fb\u5de5\u6570\u3092\u5927\u5e45\u306b\u5727\u7e2e\u3057\u3066\u3044\u308b<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span>\u300c\u5b66\u7fd2\u3059\u308b\u300d\u304b\u300c\u4efb\u305b\u308b\u300d\u304b\u306f\u3001\u81ea\u5206\u306e\u5f79\u5272\uff08\u4f5c\u308b\u5074\u304b\u5224\u65ad\u3059\u308b\u5074\u304b\uff09\u3067\u5224\u65ad\u3059\u3079\u304d<\/span><\/div>\n\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u6700\u3082\u91cd\u8981\u306a\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u304a\u4f1d\u3048\u3057\u307e\u3059\u3002<strong>Java API\u306e\u77e5\u8b58\u306f\u3001\u4eca\u3082\u4fa1\u5024\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u300c\u5168\u90e8\u3092\u6697\u8a18\u3059\u308b\u300d\u3053\u3068\u304c\u30b4\u30fc\u30eb\u3067\u306f\u3042\u308a\u307e\u305b\u3093<\/strong>\u3002\u57fa\u790e\u7684\u306a\u8003\u3048\u65b9\uff08List\u30fbMap\u30fbSet\u306e\u9055\u3044\u306a\u3069\uff09\u3092\u62bc\u3055\u3048\u305f\u4e0a\u3067\u3001\u8a73\u7d30\u306a\u5b9f\u88c5\u306fClaude Code\u306e\u3088\u3046\u306aAI\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u306b\u4efb\u305b\u308b\u2014\u2014\u3053\u306e\u7d44\u307f\u5408\u308f\u305b\u304c\u3001\u975e\u30a8\u30f3\u30b8\u30cb\u30a2\u306e\u7d4c\u55b6\u8005\u30fb\u7ba1\u7406\u8077\u306b\u3068\u3063\u3066\u6700\u3082\u73fe\u5b9f\u7684\u306a\u9078\u629e\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u300c\u81ea\u793e\u306e\u958b\u767a\u696d\u52d9\u306bAI\u3092\u3069\u3053\u307e\u3067\u7d44\u307f\u8fbc\u3081\u308b\u304b\u300d\u3092\u5177\u4f53\u7684\u306b\u77e5\u308a\u305f\u3044\u65b9\u306f\u3001\u305c\u3072\u4ee5\u4e0b\u306eAI\u9b3c\u7ba1\u7406\u307e\u3067\u304a\u6c17\u8efd\u306b\u3054\u76f8\u8ac7\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<div class=\"balloon-wrap\">\n  <div class=\"balloon-icon\">\n    <img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/04\/ceo-sugasawa.jpg\" alt=\"\u4ee3\u8868\u83c5\u6fa4\">\n    <span class=\"balloon-name\">\u4ee3\u8868\u83c5\u6fa4<\/span>\n  <\/div>\n  <div class=\"balloon-body\">\u5f0a\u793e\u3067\u306f\u300cAI\u9b3c\u7ba1\u7406\u300d\u3068\u3044\u3046\u30b5\u30fc\u30d3\u30b9\u3067\u3001Claude Code\u3092\u4f7f\u3063\u305f\u696d\u52d9\u81ea\u52d5\u5316\u306e\u8a2d\u8a08\u304b\u3089\u4f34\u8d70\u307e\u3067\u652f\u63f4\u3057\u3066\u3044\u307e\u3059\u3002\u958b\u767a\u306e\u77e5\u8b58\u304c\u306a\u3044\u304b\u3089\u8ae6\u3081\u3066\u3044\u305f\u696d\u52d9\u6539\u5584\u304c\u3001\u5b9f\u306f\u67083\u4e07\u5186\u306e\u30d7\u30e9\u30f3\u5951\u7d04\u3067\u59cb\u3081\u3089\u308c\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002\u307e\u305a\u306f\u7121\u6599\u76f8\u8ac7\u3067\u304a\u8a71\u3057\u307e\u3057\u3087\u3046\u3002<\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Java API\u306e\u5b66\u7fd2\u30b3\u30b9\u30c8\u3092\u3001Claude Code\u3067\u5727\u7e2e\u3059\u308b\u5c0e\u5165\u8a2d\u8a08\u3092\u4e00\u7dd2\u306b\u8003\u3048\u307e\u3059<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u300c\u958b\u767a\u3092\u5185\u88fd\u5316\u3057\u305f\u3044\u304c\u3001API\u4ed5\u69d8\u306e\u5b66\u7fd2\u30b3\u30b9\u30c8\u304c\u91cd\u3044\u300d\u3068\u3044\u3046\u60a9\u307f\u3092\u3001\u5f0a\u793e\u306e\u5b9f\u904b\u7528\u30ce\u30a6\u30cf\u30a6\u3067\u89e3\u6c7a\u3057\u307e\u3059\u3002<br>API\u540d\u3092\u899a\u3048\u308b\u3088\u308a\u5148\u306b\u3001AI\u306b\u4efb\u305b\u3089\u308c\u308b\u7bc4\u56f2\u3092\u898b\u6975\u3081\u308b\u3053\u3068\u304c\u6700\u77ed\u30eb\u30fc\u30c8\u3067\u3059\u3002<\/p>\n\n\n\n<div class=\"balloon-wrap is-right\">\n  <div class=\"balloon-icon\">\n    <img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/04\/yamazaki-avatar.png\" alt=\"AI\u9b3c\u7ba1\u7406\u5c71\u5d0e\">\n    <span class=\"balloon-name\">AI\u9b3c\u7ba1\u7406\u5c71\u5d0e<\/span>\n  <\/div>\n  <div class=\"balloon-body\">\u300c\u793e\u5185\u3067Java\u30b7\u30b9\u30c6\u30e0\u306e\u4fdd\u5b88\u30fb\u6539\u4fee\u3092\u3057\u305f\u3044\u304c\u3001\u30a8\u30f3\u30b8\u30cb\u30a2\u304c\u8db3\u308a\u306a\u3044\u300d\u3068\u3044\u3046\u65b9\u306b\u6700\u9069\u3067\u3059\u3002\u307e\u305a\u306f\u7121\u6599\u76f8\u8ac7\u3067\u3001\u3042\u306a\u305f\u306e\u4f1a\u793e\u306e\u3069\u306e\u958b\u767a\u696d\u52d9\u304cAI\u3067\u524d\u306b\u9032\u3081\u3089\u308c\u308b\u304b\u4e00\u7dd2\u306b\u898b\u3064\u3051\u307e\u3057\u3087\u3046\u3002<\/div>\n<\/div>\n\n\n\n<p>\u3053\u3053\u304b\u3089\u5148\u306e\u9032\u3081\u65b9\u306f\u3001\u5927\u304d\u304f2\u3064\u3042\u308a\u307e\u3059\u3002<\/p>\n<p><strong>\u81ea\u793e\u3067\u56de\u305b\u308b\u3088\u3046\u306b\u306a\u308a\u305f\u3044\u65b9<\/strong>\u306f\u3001<strong>AI\u9b3c\u7ba1\u7406<\/strong>\u3067Claude Code\uff0fCodex\u306e\u4f7f\u3044\u65b9\u304b\u3089\u696d\u52d9\u8a2d\u8a08\u30fb\u793e\u5185\u5b9a\u7740\u307e\u3067\u4f34\u8d70\u3092\u53d7\u3051\u306a\u304c\u3089\u3001\u793e\u5185\u306b\u4ed5\u7d44\u307f\u3092\u4f5c\u308b\u9053\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p><strong>\u899a\u3048\u308b\u3088\u308a\u4efb\u305b\u305f\u3044\u65b9<\/strong>\u306f\u3001<strong>AI\u793e\u54e1AIKATA<\/strong>\u3067\u3053\u306e\u8a18\u4e8b\u306e\u3088\u3046\u306a\u5b9a\u578b\u696d\u52d9\u3092\u4e38\u3054\u3068\u9810\u3051\u308b\u9053\u304c\u3042\u308a\u307e\u3059\u3002\u6599\u91d1\u306f\u670830\u4e07\u5186\u306e\u6708\u984d\u5b9a\u984d\u3001\u8ffd\u52a0\u8cbb\u7528\u306f0\u5186\u3067\u3059\u3002<\/p>\n<p>\u3069\u3061\u3089\u304c\u5408\u3046\u304b\u306f\u3001\u696d\u52d9\u91cf\u3068\u793e\u5185\u4f53\u5236\u6b21\u7b2c\u3067\u3059\u3002\u7121\u6599\u76f8\u8ac7\u30fb\u7121\u6599\u9069\u5408\u8a3a\u65ad\u3067\u3001\u8cb4\u793e\u306e\u5834\u5408\u306f\u3069\u3061\u3089\u304c\u5411\u304f\u304b\u304b\u3089\u3054\u76f8\u8ac7\u3044\u305f\u3060\u3051\u307e\u3059\u3002<\/p>\n\n\n\n<div style=\"background:#fff;border:2px solid #eee;border-radius:16px;padding:32px 20px;margin:48px 0 16px;\">\n  <p style=\"text-align:center;font-size:13px;font-weight:700;color:#dc2626;letter-spacing:2px;margin:0 0 12px;\">NEXT STEP<\/p>\n  <p style=\"text-align:center;font-size:22px;font-weight:800;line-height:1.5;color:#1a1a1a;margin:0 0 24px;\">\u3053\u306e\u8a18\u4e8b\u306e\u5185\u5bb9\u3092\u3001\u3042\u306a\u305f\u306e\u30d3\u30b8\u30cd\u30b9\u3067<br>\u5b9f\u8df5\u3057\u3066\u307f\u307e\u305b\u3093\u304b\uff1f<\/p>\n  <div style=\"display:flex;gap:16px;flex-wrap:wrap;justify-content:center;\">\n    <div style=\"flex:1 1 300px;max-width:560px;background:#fafafa;border:1px solid #eee;border-radius:12px;overflow:hidden;display:flex;flex-direction:column;\">\n      <img src=\"https:\/\/genai-ai.co.jp\/img\/flagship-onikanri.png\" alt=\"AI\u9b3c\u7ba1\u7406 \u2014 Claude Code\u5c0e\u5165\u652f\u63f4\u30c8\u30ec\u30fc\u30cb\u30f3\u30b0\" loading=\"lazy\" decoding=\"async\" style=\"width:100%;height:auto;aspect-ratio:16\/9;object-fit:cover;display:block;\">\n      <div style=\"padding:20px 20px 24px;display:flex;flex-direction:column;flex:1;\">\n        <p style=\"font-size:13px;color:#dc2626;font-weight:700;margin:0 0 8px;\">AI\u6d3b\u7528\u3092\u81ea\u793e\u3067\u56de\u305b\u308b\u3088\u3046\u306b\u306a\u308a\u305f\u3044\u65b9\u3078<\/p>\n        <p style=\"font-size:20px;font-weight:800;color:#1a1a1a;margin:0 0 12px;\">AI\u9b3c\u7ba1\u7406<\/p>\n        <p style=\"font-size:14px;color:#555;margin:0 0 20px;line-height:1.7;\">Claude Code\u30fbCowork\u5c0e\u5165\u652f\u63f4\u304b\u3089\u696d\u52d9\u8a2d\u8a08\u30fb\u793e\u5185\u6d78\u900f\u307e\u3067\u5b9f\u8df5\u30d9\u30fc\u30b9\u3067\u4f34\u8d70\u3002\u300c\u81ea\u793e\u3067\u56de\u305b\u308b\u7d44\u7e54\u300d\u309290\u65e5\u3067\u4f5c\u308b\u7d4c\u55b6\u8005\u5411\u3051\u30c8\u30ec\u30fc\u30cb\u30f3\u30b0\u3002<\/p>\n        <div style=\"text-align:center;margin-top:auto;\">\n          <a href=\"https:\/\/aikanri.genai-ai.co.jp\/?utm_source=blog&utm_medium=article&utm_campaign=cc-java-api-guide&utm_content=next-step-cta\" target=\"_blank\" rel=\"noopener\" style=\"display:inline-block;background:#dc2626;color:#fff;font-weight:700;font-size:15px;padding:14px 32px;border-radius:30px;text-decoration:none;\">AI\u9b3c\u7ba1\u7406\u3092\u8a73\u3057\u304f\u898b\u308b \u2192<\/a>\n        <\/div>\n      <\/div>\n    <\/div>\n    <div style=\"flex:1 1 300px;max-width:560px;background:#fafafa;border:1px solid #eee;border-radius:12px;overflow:hidden;display:flex;flex-direction:column;\">\n      <img src=\"https:\/\/genai-ai.co.jp\/img\/flagship-aibpo.png\" alt=\"AI\u793e\u54e1AIKATA \u2014 \u5b9a\u578b\u696d\u52d9\u306e\u4e38\u3054\u3068\u4ee3\u884c\" loading=\"lazy\" decoding=\"async\" style=\"width:100%;height:auto;aspect-ratio:16\/9;object-fit:cover;display:block;\">\n      <div style=\"padding:20px 20px 24px;display:flex;flex-direction:column;flex:1;\">\n        <p style=\"font-size:13px;color:#dc2626;font-weight:700;margin:0 0 8px;\">\u696d\u52d9\u3092\u4e38\u3054\u3068\u4efb\u305b\u305f\u3044\u65b9\u3078<\/p>\n        <p style=\"font-size:20px;font-weight:800;color:#1a1a1a;margin:0 0 12px;\">AI\u793e\u54e1AIKATA<\/p>\n        <p style=\"font-size:14px;color:#555;margin:0 0 20px;line-height:1.7;\">\u8acb\u6c42\u51e6\u7406\u30fb\u30c7\u30fc\u30bf\u5165\u529b\u30fb\u554f\u3044\u5408\u308f\u305b\u5bfe\u5fdc\u306a\u3069\u306e\u5b9a\u578b\u696d\u52d9\u3092\u3001AI\u00d7\u4eba\u306e\u54c1\u8cea\u7ba1\u7406\u4f53\u5236\u3067\u4e38\u3054\u3068\u4ee3\u884c\u3002\u670830\u4e07\u5186\u306e\u5b9a\u984d\u3067\u307e\u304b\u305b\u653e\u984c\u3001\u65e5\u3005\u306f\u6210\u679c\u7269\u3092\u627f\u8a8d\u3059\u308b\u3060\u3051\u3002<\/p>\n        <div style=\"text-align:center;margin-top:auto;\">\n          <a href=\"https:\/\/genai-ai.co.jp\/ai-kanri\/ai-bpo\/?utm_source=blog&utm_medium=article&utm_campaign=cc-java-api-guide&utm_content=next-step-cta-bpo\" target=\"_blank\" rel=\"noopener\" style=\"display:inline-block;background:#dc2626;color:#fff;font-weight:700;font-size:15px;padding:14px 32px;border-radius:30px;text-decoration:none;\">AI\u793e\u54e1AIKATA\u3092\u8a73\u3057\u304f\u898b\u308b \u2192<\/a>\n        <\/div>\n      <\/div>\n    <\/div>\n  <\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"faq\">\u3088\u304f\u3042\u308b\u8cea\u554f<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Q. Java API\u3068Java\u8a00\u8a9e\u81ea\u4f53\u306f\u540c\u3058\u3082\u306e\u3067\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A. \u9055\u3044\u307e\u3059\u3002Java\u8a00\u8a9e\u306f\u6587\u6cd5\uff08if\u6587\u3084for\u6587\u306a\u3069\u306e\u66f8\u304d\u65b9\uff09\u3092\u5b9a\u3081\u305f\u30eb\u30fc\u30eb\u3067\u3001Java API\u306f\u305d\u306e\u8a00\u8a9e\u3092\u4f7f\u3063\u3066\u300c\u3042\u3089\u304b\u3058\u3081\u7528\u610f\u3055\u308c\u3066\u3044\u308b\u6a5f\u80fd\u7fa4\u300d\u3092\u6307\u3057\u307e\u3059\u3002\u8a00\u8a9e\u306e\u6587\u6cd5\u3092\u899a\u3048\u305f\u4e0a\u3067\u3001\u6a19\u6e96API\u3068\u3044\u3046\u300c\u65e2\u88fd\u54c1\u306e\u9053\u5177\u7bb1\u300d\u3092\u4f7f\u3044\u3053\u306a\u3059\u3053\u3068\u3067\u3001\u52b9\u7387\u7684\u306b\u30d7\u30ed\u30b0\u30e9\u30e0\u304c\u66f8\u3051\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q. Java API\u3092\u5b66\u3076\u306b\u306f\u3001\u307e\u305a\u4f55\u304b\u3089\u59cb\u3081\u308c\u3070\u3044\u3044\u3067\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A. \u307e\u305a\u306fString\uff08\u6587\u5b57\u5217\u64cd\u4f5c\uff09\u3068ArrayList\uff08\u53ef\u5909\u9577\u914d\u5217\uff09\u306e2\u3064\u306b\u7d5e\u3063\u3066\u89e6\u3063\u3066\u307f\u308b\u3053\u3068\u3092\u304a\u3059\u3059\u3081\u3057\u307e\u3059\u3002\u3053\u306e2\u3064\u306f\u5b9f\u52d9\u3067\u306e\u767b\u5834\u983b\u5ea6\u304c\u975e\u5e38\u306b\u9ad8\u304f\u3001\u57fa\u672c\u7684\u306a\u4f7f\u3044\u65b9\u3092\u7406\u89e3\u3059\u308b\u3060\u3051\u3067\u3001\u591a\u304f\u306e\u5165\u9580\u7684\u306a\u30d7\u30ed\u30b0\u30e9\u30e0\u304c\u66f8\u3051\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\u305d\u306e\u5f8c\u3001List\u30fbMap\u30fbSet\u306e\u9055\u3044\u3092\u7406\u89e3\u3059\u308c\u3070\u3001\u5b9f\u52d9\u30ec\u30d9\u30eb\u306e\u571f\u53f0\u304c\u6574\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q. Javadoc\u306fIDE\u306e\u4e2d\u3067\u3082\u898b\u3089\u308c\u307e\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A. \u306f\u3044\u3002Eclipse\u3084IntelliJ IDEA\u306a\u3069\u306e\u4e3b\u8981\u306a\u7d71\u5408\u958b\u767a\u74b0\u5883\uff08IDE\uff09\u3067\u306f\u3001\u30b3\u30fc\u30c9\u4e0a\u3067\u30af\u30e9\u30b9\u540d\u3084\u30e1\u30bd\u30c3\u30c9\u540d\u306b\u30de\u30a6\u30b9\u3092\u91cd\u306d\u308b\u3068\u3001Javadoc\u306e\u8aac\u660e\u304c\u30dd\u30c3\u30d7\u30a2\u30c3\u30d7\u3067\u8868\u793a\u3055\u308c\u308b\u6a5f\u80fd\u304c\u3042\u308a\u307e\u3059\u3002\u30d6\u30e9\u30a6\u30b6\u3067\u516c\u5f0f\u30b5\u30a4\u30c8\u3092\u958b\u304b\u306a\u304f\u3066\u3082\u3001\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u4e2d\u306b\u4ed5\u69d8\u3092\u78ba\u8a8d\u3067\u304d\u308b\u305f\u3081\u975e\u5e38\u306b\u52b9\u7387\u7684\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q. Calendar\u30af\u30e9\u30b9\u3068Date\u30af\u30e9\u30b9\u3001\u3069\u3061\u3089\u3092\u65b0\u3057\u304f\u5b66\u3076\u3079\u304d\u3067\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A. \u65b0\u898f\u306b\u5b66\u7fd2\u3059\u308b\u306a\u3089\u3001\u3069\u3061\u3089\u3067\u3082\u306a\u304fJava 8\u4ee5\u964d\u3067\u8ffd\u52a0\u3055\u308c\u305f`java.time`\u30d1\u30c3\u30b1\u30fc\u30b8\uff08LocalDate\u30fbLocalDateTime\u306a\u3069\uff09\u3092\u512a\u5148\u3059\u308b\u3053\u3068\u3092\u304a\u3059\u3059\u3081\u3057\u307e\u3059\u3002Calendar\u3068Date\u306f\u8a2d\u8a08\u4e0a\u306e\u5206\u304b\u308a\u306b\u304f\u3055\u304c\u6307\u6458\u3055\u308c\u3066\u304a\u308a\u3001\u65e2\u5b58\u30b7\u30b9\u30c6\u30e0\u306e\u4fdd\u5b88\u3067\u767b\u5834\u3057\u305f\u969b\u306b\u8aad\u3081\u308b\u7a0b\u5ea6\u3067\u5341\u5206\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q. \u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\uff08Spring Framework\u306a\u3069\uff09\u3068Java\u6a19\u6e96API\u306e\u9055\u3044\u306f\u4f55\u3067\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A. Java\u6a19\u6e96API\u306fJava\u306e\u5b9f\u884c\u74b0\u5883\uff08JDK\uff09\u306b\u6700\u521d\u304b\u3089\u540c\u68b1\u3055\u308c\u3066\u3044\u308b\u6a5f\u80fd\u3067\u3001\u8ffd\u52a0\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u306a\u3057\u306b\u4f7f\u3048\u307e\u3059\u3002\u4e00\u65b9\u3001Spring Framework\u306a\u3069\u306e\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u30e9\u30a4\u30d6\u30e9\u30ea\u306f\u3001\u6a19\u6e96API\u3067\u306f\u5bfe\u5fdc\u3057\u304d\u308c\u306a\u3044\u9ad8\u5ea6\u306a\u6a5f\u80fd\uff08\u4f9d\u5b58\u6027\u6ce8\u5165\u3084Web\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u6a5f\u80fd\u306a\u3069\uff09\u3092\u63d0\u4f9b\u3059\u308b\u305f\u3081\u306b\u3001\u5225\u9014\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306b\u8ffd\u52a0\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q. AI\u306b\u30b3\u30fc\u30c9\u3092\u66f8\u3044\u3066\u3082\u3089\u3046\u5834\u5408\u3001API\u77e5\u8b58\u306f\u307e\u3063\u305f\u304f\u4e0d\u8981\u306b\u306a\u308a\u307e\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A. \u5b8c\u5168\u306b\u4e0d\u8981\u306b\u306f\u306a\u308a\u307e\u305b\u3093\u3002AI\u304c\u751f\u6210\u3057\u305f\u30b3\u30fc\u30c9\u304c\u6b63\u3057\u304f\u52d5\u304f\u304b\u3001\u610f\u56f3\u3057\u305f\u51e6\u7406\u306b\u306a\u3063\u3066\u3044\u308b\u304b\u3092\u5224\u65ad\u3059\u308b\u306b\u306f\u3001\u6700\u4f4e\u9650\u306e\u57fa\u790e\u77e5\u8b58\u304c\u5f79\u7acb\u3061\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u5168\u3066\u306eAPI\u540d\u3084\u30e1\u30bd\u30c3\u30c9\u306e\u5f15\u6570\u3092\u6697\u8a18\u3059\u308b\u5fc5\u8981\u306f\u306a\u304f\u3001\u300cList\u30fbMap\u30fbSet\u306e\u9055\u3044\u300d\u306e\u3088\u3046\u306a\u8003\u3048\u65b9\u30ec\u30d9\u30eb\u306e\u7406\u89e3\u304c\u3042\u308c\u3070\u3001AI\u3068\u306e\u5354\u696d\u306f\u5341\u5206\u306b\u6a5f\u80fd\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q. Java API\u306e\u5b9f\u88c5\u3092Claude Code\u306b\u4efb\u305b\u308b\u5834\u5408\u3001\u3069\u3053\u307e\u3067\u6307\u793a\u3059\u308c\u3070\u3044\u3044\u3067\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A. \u300c\u9867\u5ba2\u30ea\u30b9\u30c8\u3092\u91cd\u8907\u306a\u304f\u96c6\u8a08\u3057\u305f\u3044\u300d\u300c\u65e5\u4ed8\u3092yyyy-mm-dd\u5f62\u5f0f\u306b\u5909\u63db\u3057\u305f\u3044\u300d\u3068\u3044\u3063\u305f\u3001\u3084\u308a\u305f\u3044\u3053\u3068\uff08\u76ee\u7684\uff09\u3092\u81ea\u7136\u8a00\u8a9e\u3067\u4f1d\u3048\u308b\u3060\u3051\u3067\u5341\u5206\u3067\u3059\u3002\u4f7f\u7528\u3059\u3079\u304d\u30af\u30e9\u30b9\u540d\u3084\u30e1\u30bd\u30c3\u30c9\u540d\u3092\u3042\u3089\u304b\u3058\u3081\u6307\u5b9a\u3059\u308b\u5fc5\u8981\u306f\u306a\u304f\u3001Claude Code\u304c\u9069\u5207\u306aAPI\u3092\u9078\u3093\u3067\u30b3\u30fc\u30c9\u3092\u751f\u6210\u3057\u307e\u3059\u3002\u751f\u6210\u5f8c\u306f\u5fc5\u305a\u5185\u5bb9\u3092\u78ba\u8a8d\u3057\u3001\u610f\u56f3\u901a\u308a\u306e\u51e6\u7406\u306b\u306a\u3063\u3066\u3044\u308b\u304b\u30ec\u30d3\u30e5\u30fc\u3059\u308b\u5de5\u7a0b\u3092\u6b8b\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<script type=\"application\/ld+json\">\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Java API\u3068Java\u8a00\u8a9e\u81ea\u4f53\u306f\u540c\u3058\u3082\u306e\u3067\u3059\u304b\uff1f\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"\u9055\u3044\u307e\u3059\u3002Java\u8a00\u8a9e\u306f\u6587\u6cd5\uff08if\u6587\u3084for\u6587\u306a\u3069\u306e\u66f8\u304d\u65b9\uff09\u3092\u5b9a\u3081\u305f\u30eb\u30fc\u30eb\u3067\u3001Java API\u306f\u305d\u306e\u8a00\u8a9e\u3092\u4f7f\u3063\u3066\u300c\u3042\u3089\u304b\u3058\u3081\u7528\u610f\u3055\u308c\u3066\u3044\u308b\u6a5f\u80fd\u7fa4\u300d\u3092\u6307\u3057\u307e\u3059\u3002\u8a00\u8a9e\u306e\u6587\u6cd5\u3092\u899a\u3048\u305f\u4e0a\u3067\u3001\u6a19\u6e96API\u3068\u3044\u3046\u300c\u65e2\u88fd\u54c1\u306e\u9053\u5177\u7bb1\u300d\u3092\u4f7f\u3044\u3053\u306a\u3059\u3053\u3068\u3067\u3001\u52b9\u7387\u7684\u306b\u30d7\u30ed\u30b0\u30e9\u30e0\u304c\u66f8\u3051\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Java API\u3092\u5b66\u3076\u306b\u306f\u3001\u307e\u305a\u4f55\u304b\u3089\u59cb\u3081\u308c\u3070\u3044\u3044\u3067\u3059\u304b\uff1f\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"\u307e\u305a\u306fString\uff08\u6587\u5b57\u5217\u64cd\u4f5c\uff09\u3068ArrayList\uff08\u53ef\u5909\u9577\u914d\u5217\uff09\u306e2\u3064\u306b\u7d5e\u3063\u3066\u89e6\u3063\u3066\u307f\u308b\u3053\u3068\u3092\u304a\u3059\u3059\u3081\u3057\u307e\u3059\u3002\u3053\u306e2\u3064\u306f\u5b9f\u52d9\u3067\u306e\u767b\u5834\u983b\u5ea6\u304c\u975e\u5e38\u306b\u9ad8\u304f\u3001\u57fa\u672c\u7684\u306a\u4f7f\u3044\u65b9\u3092\u7406\u89e3\u3059\u308b\u3060\u3051\u3067\u3001\u591a\u304f\u306e\u5165\u9580\u7684\u306a\u30d7\u30ed\u30b0\u30e9\u30e0\u304c\u66f8\u3051\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\u305d\u306e\u5f8c\u3001List\u30fbMap\u30fbSet\u306e\u9055\u3044\u3092\u7406\u89e3\u3059\u308c\u3070\u3001\u5b9f\u52d9\u30ec\u30d9\u30eb\u306e\u571f\u53f0\u304c\u6574\u3044\u307e\u3059\u3002\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Javadoc\u306fIDE\u306e\u4e2d\u3067\u3082\u898b\u3089\u308c\u307e\u3059\u304b\uff1f\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"\u306f\u3044\u3002Eclipse\u3084IntelliJ IDEA\u306a\u3069\u306e\u4e3b\u8981\u306a\u7d71\u5408\u958b\u767a\u74b0\u5883\uff08IDE\uff09\u3067\u306f\u3001\u30b3\u30fc\u30c9\u4e0a\u3067\u30af\u30e9\u30b9\u540d\u3084\u30e1\u30bd\u30c3\u30c9\u540d\u306b\u30de\u30a6\u30b9\u3092\u91cd\u306d\u308b\u3068\u3001Javadoc\u306e\u8aac\u660e\u304c\u30dd\u30c3\u30d7\u30a2\u30c3\u30d7\u3067\u8868\u793a\u3055\u308c\u308b\u6a5f\u80fd\u304c\u3042\u308a\u307e\u3059\u3002\u30d6\u30e9\u30a6\u30b6\u3067\u516c\u5f0f\u30b5\u30a4\u30c8\u3092\u958b\u304b\u306a\u304f\u3066\u3082\u3001\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u4e2d\u306b\u4ed5\u69d8\u3092\u78ba\u8a8d\u3067\u304d\u308b\u305f\u3081\u975e\u5e38\u306b\u52b9\u7387\u7684\u3067\u3059\u3002\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Calendar\u30af\u30e9\u30b9\u3068Date\u30af\u30e9\u30b9\u3001\u3069\u3061\u3089\u3092\u65b0\u3057\u304f\u5b66\u3076\u3079\u304d\u3067\u3059\u304b\uff1f\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"\u65b0\u898f\u306b\u5b66\u7fd2\u3059\u308b\u306a\u3089\u3001\u3069\u3061\u3089\u3067\u3082\u306a\u304fJava 8\u4ee5\u964d\u3067\u8ffd\u52a0\u3055\u308c\u305f`java.time`\u30d1\u30c3\u30b1\u30fc\u30b8\uff08LocalDate\u30fbLocalDateTime\u306a\u3069\uff09\u3092\u512a\u5148\u3059\u308b\u3053\u3068\u3092\u304a\u3059\u3059\u3081\u3057\u307e\u3059\u3002Calendar\u3068Date\u306f\u8a2d\u8a08\u4e0a\u306e\u5206\u304b\u308a\u306b\u304f\u3055\u304c\u6307\u6458\u3055\u308c\u3066\u304a\u308a\u3001\u65e2\u5b58\u30b7\u30b9\u30c6\u30e0\u306e\u4fdd\u5b88\u3067\u767b\u5834\u3057\u305f\u969b\u306b\u8aad\u3081\u308b\u7a0b\u5ea6\u3067\u5341\u5206\u3067\u3059\u3002\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\uff08Spring Framework\u306a\u3069\uff09\u3068Java\u6a19\u6e96API\u306e\u9055\u3044\u306f\u4f55\u3067\u3059\u304b\uff1f\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Java\u6a19\u6e96API\u306fJava\u306e\u5b9f\u884c\u74b0\u5883\uff08JDK\uff09\u306b\u6700\u521d\u304b\u3089\u540c\u68b1\u3055\u308c\u3066\u3044\u308b\u6a5f\u80fd\u3067\u3001\u8ffd\u52a0\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u306a\u3057\u306b\u4f7f\u3048\u307e\u3059\u3002\u4e00\u65b9\u3001Spring Framework\u306a\u3069\u306e\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u30e9\u30a4\u30d6\u30e9\u30ea\u306f\u3001\u6a19\u6e96API\u3067\u306f\u5bfe\u5fdc\u3057\u304d\u308c\u306a\u3044\u9ad8\u5ea6\u306a\u6a5f\u80fd\uff08\u4f9d\u5b58\u6027\u6ce8\u5165\u3084Web\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u6a5f\u80fd\u306a\u3069\uff09\u3092\u63d0\u4f9b\u3059\u308b\u305f\u3081\u306b\u3001\u5225\u9014\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306b\u8ffd\u52a0\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"AI\u306b\u30b3\u30fc\u30c9\u3092\u66f8\u3044\u3066\u3082\u3089\u3046\u5834\u5408\u3001API\u77e5\u8b58\u306f\u307e\u3063\u305f\u304f\u4e0d\u8981\u306b\u306a\u308a\u307e\u3059\u304b\uff1f\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"\u5b8c\u5168\u306b\u4e0d\u8981\u306b\u306f\u306a\u308a\u307e\u305b\u3093\u3002AI\u304c\u751f\u6210\u3057\u305f\u30b3\u30fc\u30c9\u304c\u6b63\u3057\u304f\u52d5\u304f\u304b\u3001\u610f\u56f3\u3057\u305f\u51e6\u7406\u306b\u306a\u3063\u3066\u3044\u308b\u304b\u3092\u5224\u65ad\u3059\u308b\u306b\u306f\u3001\u6700\u4f4e\u9650\u306e\u57fa\u790e\u77e5\u8b58\u304c\u5f79\u7acb\u3061\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u5168\u3066\u306eAPI\u540d\u3084\u30e1\u30bd\u30c3\u30c9\u306e\u5f15\u6570\u3092\u6697\u8a18\u3059\u308b\u5fc5\u8981\u306f\u306a\u304f\u3001\u300cList\u30fbMap\u30fbSet\u306e\u9055\u3044\u300d\u306e\u3088\u3046\u306a\u8003\u3048\u65b9\u30ec\u30d9\u30eb\u306e\u7406\u89e3\u304c\u3042\u308c\u3070\u3001AI\u3068\u306e\u5354\u696d\u306f\u5341\u5206\u306b\u6a5f\u80fd\u3057\u307e\u3059\u3002\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Java API\u306e\u5b9f\u88c5\u3092Claude Code\u306b\u4efb\u305b\u308b\u5834\u5408\u3001\u3069\u3053\u307e\u3067\u6307\u793a\u3059\u308c\u3070\u3044\u3044\u3067\u3059\u304b\uff1f\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"\u300c\u9867\u5ba2\u30ea\u30b9\u30c8\u3092\u91cd\u8907\u306a\u304f\u96c6\u8a08\u3057\u305f\u3044\u300d\u300c\u65e5\u4ed8\u3092yyyy-mm-dd\u5f62\u5f0f\u306b\u5909\u63db\u3057\u305f\u3044\u300d\u3068\u3044\u3063\u305f\u3001\u3084\u308a\u305f\u3044\u3053\u3068\uff08\u76ee\u7684\uff09\u3092\u81ea\u7136\u8a00\u8a9e\u3067\u4f1d\u3048\u308b\u3060\u3051\u3067\u5341\u5206\u3067\u3059\u3002\u4f7f\u7528\u3059\u3079\u304d\u30af\u30e9\u30b9\u540d\u3084\u30e1\u30bd\u30c3\u30c9\u540d\u3092\u3042\u3089\u304b\u3058\u3081\u6307\u5b9a\u3059\u308b\u5fc5\u8981\u306f\u306a\u304f\u3001Claude Code\u304c\u9069\u5207\u306aAPI\u3092\u9078\u3093\u3067\u30b3\u30fc\u30c9\u3092\u751f\u6210\u3057\u307e\u3059\u3002\u751f\u6210\u5f8c\u306f\u5fc5\u305a\u5185\u5bb9\u3092\u78ba\u8a8d\u3057\u3001\u610f\u56f3\u901a\u308a\u306e\u51e6\u7406\u306b\u306a\u3063\u3066\u3044\u308b\u304b\u30ec\u30d3\u30e5\u30fc\u3059\u308b\u5de5\u7a0b\u3092\u6b8b\u3057\u3066\u304f\u3060\u3055\u3044\u3002\"\n      }\n    }\n  ]\n}\n<\/script>\n\n\n","protected":false},"excerpt":{"rendered":"<p>Java\u306e\u6a19\u6e96API\u3068\u306f\u4f55\u304b\u3001Javadoc\u306e\u8aad\u307f\u65b9\u3001List\/Map\/Set\u306a\u3069\u983b\u51fa\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3068\u30af\u30e9\u30b9\u306e\u4f7f\u3044\u65b9\u3092\u521d\u5fc3\u8005\u5411\u3051\u306b\u89e3\u8aac\u3002\u975e\u30a8\u30f3\u30b8\u30cb\u30a2\u7d4c\u55b6\u8005\u304cAPI\u5b66\u7fd2\u30b3\u30b9\u30c8\u3092Claude Code\u3067\u524a\u6e1b\u3059\u308b\u5b9f\u904b\u7528\u30c7\u30fc\u30bf\u3082\u516c\u958b\u3057\u307e\u3059\u3002<\/p>\n","protected":false},"author":1,"featured_media":47545,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"sitemap_hide":"","_veu_custom_css":"","vkexunit_cta_each_option":"","_lightning_design_setting":[],"footnotes":"","rank_math_description":"Java\u306e\u6a19\u6e96API\u3068\u306f\u4f55\u304b\u3001Javadoc\u306e\u8aad\u307f\u65b9\u3001List\/Map\/Set\u306a\u3069\u983b\u51fa\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3068\u30af\u30e9\u30b9\u306e\u4f7f\u3044\u65b9\u3092\u521d\u5fc3\u8005\u5411\u3051\u306b\u89e3\u8aac\u3002\u975e\u30a8\u30f3\u30b8\u30cb\u30a2\u7d4c\u55b6\u8005\u304cAPI\u5b66\u7fd2\u30b3\u30b9\u30c8\u3092Claude Code\u3067\u524a\u6e1b\u3059\u308b\u5b9f\u904b\u7528\u30c7\u30fc\u30bf\u3082\u516c\u958b\u3057\u307e\u3059\u3002","rank_math_focus_keyword":"Java API \u3068\u306f","rank_math_title":"\u30102026\u5e749\u6708\u6700\u65b0\u3011Java\u306eAPI\u3068\u306f\uff1f\u6a19\u6e96API\u306e\u4f7f\u3044\u65b9\u3068\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9\u306e\u8aad\u307f\u65b9\u3092\u5b8c\u5168\u89e3\u8aac\uff5c\u975e\u30a8\u30f3\u30b8\u30cb\u30a2\u304c\u5b66\u7fd2\u30b3\u30b9\u30c8\u3092\u30bc\u30ed\u306b\u3059\u308b\u65b9\u6cd5","pending_rewrite_html":"","pending_rewrite_id":"","pending_rewrite_kw":"","pending_rewrite_at":"","pending_rewrite_source":"","pending_rewrite_brief":"","pending_rewrite_evidence":"","approved_rewrite_html":"","approved_rewrite_id":"","approved_rewrite_kw":"","approved_rewrite_at":"","approved_rewrite_by":"","approved_rewrite_brief":"","approved_rewrite_evidence":"","rewrite_tracker_baseline":"","rewrite_tracker_7day":"","rewrite_tracker_14day":"","rewrite_tracker_30day":"","rewrite_tracker_notified":""},"categories":[2],"tags":[],"class_list":["post-47546","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-claude-tips"],"_links":{"self":[{"href":"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-json\/wp\/v2\/posts\/47546","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-json\/wp\/v2\/comments?post=47546"}],"version-history":[{"count":3,"href":"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-json\/wp\/v2\/posts\/47546\/revisions"}],"predecessor-version":[{"id":48142,"href":"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-json\/wp\/v2\/posts\/47546\/revisions\/48142"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-json\/wp\/v2\/media\/47545"}],"wp:attachment":[{"href":"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-json\/wp\/v2\/media?parent=47546"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-json\/wp\/v2\/categories?post=47546"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-json\/wp\/v2\/tags?post=47546"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}