{"id":9662,"date":"2024-03-15T03:30:25","date_gmt":"2024-03-14T18:30:25","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/map%e3%81%ae%e4%b8%ad%e3%81%aeentryset%e3%83%a1%e3%82%bd%e3%83%83%e3%83%89%e3%81%ae%e4%bd%bf%e3%81%84%e6%96%b9%e3%81%af%e4%bd%95%e3%81%a7%e3%81%99%e3%81%8b%ef%bc%9f\/"},"modified":"2025-08-04T02:59:37","modified_gmt":"2025-08-03T17:59:37","slug":"map%e3%81%ae%e4%b8%ad%e3%81%aeentryset%e3%83%a1%e3%82%bd%e3%83%83%e3%83%89%e3%81%ae%e4%bd%bf%e3%81%84%e6%96%b9%e3%81%af%e4%bd%95%e3%81%a7%e3%81%99%e3%81%8b%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/map%e3%81%ae%e4%b8%ad%e3%81%aeentryset%e3%83%a1%e3%82%bd%e3%83%83%e3%83%89%e3%81%ae%e4%bd%bf%e3%81%84%e6%96%b9%e3%81%af%e4%bd%95%e3%81%a7%e3%81%99%e3%81%8b%ef%bc%9f\/","title":{"rendered":"Map\u306eentrySet()\u3068\u306f\uff1fJava\u3067\u306e\u4f7f\u3044\u65b9\u3068\u30eb\u30fc\u30d7\u51e6\u7406"},"content":{"rendered":"<p>Java\u306eMap\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306b\u306f\u3001Map\u5185\u306e\u30ad\u30fc\u3068\u5024\u306e\u30da\u30a2\u306e\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u3092\u53d6\u5f97\u3059\u308b\u305f\u3081\u306eentrySet()\u30e1\u30bd\u30c3\u30c9\u304c\u63d0\u4f9b\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u30e1\u30bd\u30c3\u30c9\u306f\u3001Map\u5185\u306e\u3059\u3079\u3066\u306e\u30ad\u30fc\u3068\u5024\u306e\u30da\u30a2\u3092\u542b\u3080Set\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u3092\u8fd4\u3057\u3001\u305d\u308c\u305e\u308c\u306e\u30ad\u30fc\u3068\u5024\u306e\u30da\u30a2\u304cMap.Entry\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3068\u3057\u3066\u8868\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>entrySet()\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3059\u308b\u4e00\u822c\u7684\u306a\u624b\u9806\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\uff1a<\/p>\n<ol>\n<li>Map\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u53d6\u5f97\u3059\u308b<\/li>\n<li>entrySet()\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u30ad\u30fc\u3068\u5024\u306e\u30da\u30a2\u306e\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u3092\u53d6\u5f97\u3057\u307e\u3059\u3002<\/li>\n<li>\u30ad\u30fc\u3068\u5024\u306e\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u3092\u8d70\u67fb\u3057\u3001\u305d\u308c\u305e\u308c\u306e\u30ad\u30fc\u3068\u5024\u3092\u9806\u306b\u51e6\u7406\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n<p>\u4ee5\u4e0b\u306f\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<span class=\"hljs-keyword\">import<\/span> java.util.Map.Entry;\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\u5bf9\u8c61<\/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        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\">\/\/ \u83b7\u53d6\u952e\u503c\u5bf9\u96c6\u5408<\/span>\r\n        Set&lt;Entry&lt;String, Integer&gt;&gt; entrySet = map.entrySet();\r\n\r\n        <span class=\"hljs-comment\">\/\/ \u904d\u5386\u952e\u503c\u5bf9\u96c6\u5408<\/span>\r\n        <span class=\"hljs-keyword\">for<\/span> (Entry&lt;String, Integer&gt; entry : entrySet) {\r\n            <span class=\"hljs-type\">String<\/span> <span class=\"hljs-variable\">key<\/span> <span class=\"hljs-operator\">=<\/span> entry.getKey();\r\n            <span class=\"hljs-type\">Integer<\/span> <span class=\"hljs-variable\">value<\/span> <span class=\"hljs-operator\">=<\/span> entry.getValue();\r\n            System.out.println(<span class=\"hljs-string\">\"Key: \"<\/span> + key + <span class=\"hljs-string\">\", Value: \"<\/span> + value);\r\n        }\r\n    }\r\n}\r\n<\/code><\/pre>\n<p>\u4e0a\u8a18\u306e\u4f8b\u3067\u306f\u3001\u6700\u521d\u306bHashMap\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3057\u30013\u3064\u306e\u30ad\u30fc\u30d0\u30ea\u30e5\u30fc\u30da\u30a2\u3092\u8ffd\u52a0\u3057\u307e\u3057\u305f\u3002\u305d\u306e\u5f8c\u3001entrySet()\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u30ad\u30fc\u30d0\u30ea\u30e5\u30fc\u30da\u30a2\u306e\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u3092\u53d6\u5f97\u3057\u3001\u30a4\u30c6\u30ec\u30fc\u30bf\u3092\u4f7f\u7528\u3057\u3066\u3053\u306e\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u3092\u53cd\u5fa9\u51e6\u7406\u3057\u3001\u5404\u30ad\u30fc\u30d0\u30ea\u30e5\u30fc\u30da\u30a2\u306e\u30ad\u30fc\u3068\u5024\u3092\u51fa\u529b\u3057\u307e\u3057\u305f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Java\u306eMap\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306b\u306f\u3001Map\u5185\u306e\u30ad\u30fc\u3068\u5024\u306e\u30da\u30a2\u306e\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u3092\u53d6\u5f97\u3059\u308b\u305f\u3081\u306eentrySet()\u30e1\u30bd\u30c3\u30c9\u304c\u63d0\u4f9b\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u30e1\u30bd\u30c3\u30c9\u306f\u3001Map\u5185\u306e\u3059\u3079\u3066\u306e\u30ad\u30fc\u3068\u5024\u306e\u30da\u30a2\u3092\u542b\u3080Set\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u3092\u8fd4\u3057\u3001 [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[940,42,512,403,1223],"class_list":["post-9662","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-entryset","tag-java","tag-map","tag-403","tag-1223"],"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>Map\u306eentrySet()\u3068\u306f\uff1fJava\u3067\u306e\u4f7f\u3044\u65b9\u3068\u30eb\u30fc\u30d7\u51e6\u7406 - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" 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