{"id":7708,"date":"2024-03-14T22:32:38","date_gmt":"2024-03-14T13:32:38","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/java%e3%81%a7entryset%e3%83%a1%e3%82%bd%e3%83%83%e3%83%89%e3%82%92%e4%bd%bf%e7%94%a8%e3%81%97%e3%81%a6map%e3%82%b3%e3%83%ac%e3%82%af%e3%82%b7%e3%83%a7%e3%83%b3%e3%81%8b%e3%82%89%e8%a6%81%e7%b4%a0\/"},"modified":"2025-08-03T16:05:55","modified_gmt":"2025-08-03T07:05:55","slug":"java%e3%81%a7entryset%e3%83%a1%e3%82%bd%e3%83%83%e3%83%89%e3%82%92%e4%bd%bf%e7%94%a8%e3%81%97%e3%81%a6map%e3%82%b3%e3%83%ac%e3%82%af%e3%82%b7%e3%83%a7%e3%83%b3%e3%81%8b%e3%82%89%e8%a6%81%e7%b4%a0","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/java%e3%81%a7entryset%e3%83%a1%e3%82%bd%e3%83%83%e3%83%89%e3%82%92%e4%bd%bf%e7%94%a8%e3%81%97%e3%81%a6map%e3%82%b3%e3%83%ac%e3%82%af%e3%82%b7%e3%83%a7%e3%83%b3%e3%81%8b%e3%82%89%e8%a6%81%e7%b4%a0\/","title":{"rendered":"Java Map\u306eentrySet()\u3067\u8981\u7d20\u3092\u53d6\u5f97\u3059\u308b\u65b9\u6cd5\u3010\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u4ed8\u3011"},"content":{"rendered":"<p>Java\u3067\u306f\u3001Map\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u5185\u306e\u8981\u7d20\u3092\u53d6\u5f97\u3059\u308b\u305f\u3081\u306bentrySet()\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002entrySet()\u30e1\u30bd\u30c3\u30c9\u306f\u3001Map\u5185\u306e\u30ad\u30fc\u3068\u5024\u306e\u30da\u30a2\u8981\u7d20\u3092\u542b\u3080Set\u578b\u306e\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u3092\u8fd4\u3057\u307e\u3059\u3002<\/p>\n<p>\u3053\u3061\u3089\u306f\u3001entrySet()\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066Map\u306e\u8981\u7d20\u3092\u53d6\u5f97\u3059\u308b\u65b9\u6cd5\u3092\u793a\u3059\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3067\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">import<\/span> java.util.HashMap;\r\n<span class=\"hljs-keyword\">import<\/span> java.util.Map;\r\n<span class=\"hljs-keyword\">import<\/span> java.util.Set;\r\n\r\n<span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title class_\">Main<\/span> {\r\n    <span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">static<\/span> <span class=\"hljs-keyword\">void<\/span> <span class=\"hljs-title function_\">main<\/span><span class=\"hljs-params\">(String[] args)<\/span> {\r\n        <span class=\"hljs-comment\">\/\/ \u521b\u5efa\u4e00\u4e2aMap\u96c6\u5408<\/span>\r\n        Map&lt;String, Integer&gt; map = <span class=\"hljs-keyword\">new<\/span> <span class=\"hljs-title class_\">HashMap<\/span>&lt;&gt;();\r\n        \r\n        <span class=\"hljs-comment\">\/\/ \u5411Map\u4e2d\u6dfb\u52a0\u5143\u7d20<\/span>\r\n        map.put(<span class=\"hljs-string\">\"A\"<\/span>, <span class=\"hljs-number\">1<\/span>);\r\n        map.put(<span class=\"hljs-string\">\"B\"<\/span>, <span class=\"hljs-number\">2<\/span>);\r\n        map.put(<span class=\"hljs-string\">\"C\"<\/span>, <span class=\"hljs-number\">3<\/span>);\r\n        \r\n        <span class=\"hljs-comment\">\/\/ \u4f7f\u7528entrySet()\u65b9\u6cd5\u83b7\u53d6Map\u4e2d\u7684\u5143\u7d20<\/span>\r\n        Set&lt;Map.Entry&lt;String, Integer&gt;&gt; entrySet = map.entrySet();\r\n        \r\n        <span class=\"hljs-comment\">\/\/ \u904d\u5386entrySet\u96c6\u5408\uff0c\u8f93\u51fa\u952e\u503c\u5bf9\u5143\u7d20<\/span>\r\n        <span class=\"hljs-keyword\">for<\/span> (Map.Entry&lt;String, Integer&gt; entry : entrySet) {\r\n            System.out.println(<span class=\"hljs-string\">\"Key: \"<\/span> + entry.getKey() + <span class=\"hljs-string\">\", Value: \"<\/span> + entry.getValue());\r\n        }\r\n    }\r\n}\r\n<\/code><\/pre>\n<p>\u4e0a\u8a18\u306e\u4f8b\u3067\u306f\u3001\u307e\u305aHashMap\u578b\u306eMap\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u304c\u4f5c\u6210\u3055\u308c\u3001\u305d\u306e\u5f8cput()\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u3044\u304f\u3064\u304b\u306e\u8981\u7d20\u304cMap\u306b\u8ffd\u52a0\u3055\u308c\u307e\u3057\u305f\u3002\u6b21\u306bentrySet()\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066Map\u5185\u306e\u8981\u7d20\u3092\u53d6\u5f97\u3057\u3001\u8fd4\u3055\u308c\u305fSet\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u3092entrySet\u5909\u6570\u306b\u683c\u7d0d\u3057\u307e\u3059\u3002\u6700\u5f8c\u306b\u3001for\u30eb\u30fc\u30d7\u3092\u4f7f\u7528\u3057\u3066entrySet\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u3092\u53cd\u5fa9\u51e6\u7406\u3057\u3001\u5404\u30ad\u30fc\u3068\u5024\u306e\u8981\u7d20\u3092\u51fa\u529b\u3057\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Java\u3067\u306f\u3001Map\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u5185\u306e\u8981\u7d20\u3092\u53d6\u5f97\u3059\u308b\u305f\u3081\u306bentrySet()\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002entrySet()\u30e1\u30bd\u30c3\u30c9\u306f\u3001Map\u5185\u306e\u30ad\u30fc\u3068\u5024\u306e\u30da\u30a2\u8981\u7d20\u3092\u542b\u3080Set\u578b\u306e\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u3092\u8fd4\u3057\u307e\u3059\u3002 \u3053\u3061\u3089\u306f [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[940,42,512,403,2921],"class_list":["post-7708","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-entryset","tag-java","tag-map","tag-403","tag-2921"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Java Map\u306eentrySet()\u3067\u8981\u7d20\u3092\u53d6\u5f97\u3059\u308b\u65b9\u6cd5\u3010\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u4ed8\u3011 - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" 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