{"id":116096,"date":"2024-03-23T05:17:44","date_gmt":"2024-03-22T20:17:44","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/java%e3%81%aemap%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\/"},"modified":"2024-03-28T00:32:30","modified_gmt":"2024-03-27T15:32:30","slug":"java%e3%81%aemap%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","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/java%e3%81%aemap%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\/","title":{"rendered":"Java\u306eMap\u306eentrySet\u30e1\u30bd\u30c3\u30c9\u306e\u4f7f\u3044\u65b9\u306f?"},"content":{"rendered":"<p>Java\u3067\u306f\u3001entrySet()\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u3001\u30de\u30c3\u30d7\u5185\u306e\u3059\u3079\u3066\u306e\u30ad\u30fc\u3068\u5024\u306e\u30da\u30a2\u3092\u53d6\u5f97\u3067\u304d\u307e\u3059\u3002\u3053\u306e\u30e1\u30bd\u30c3\u30c9\u306f\u3001Set&lt;Map.Entry&lt;K\u3001V&gt;&gt;\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u8fd4\u3057\u3001\u3053\u3053\u3067K\u306f\u30ad\u30fc\u306e\u578b\u3067\u3042\u308a\u3001V\u306f\u5024\u306e\u578b\u3067\u3059\u3002<\/p>\n<p>\u4ee5\u4e0b\u306b\u306f\u3001entrySet()\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3059\u308b\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code>Map&lt;String, Integer&gt; map = <span class=\"hljs-keyword\">new<\/span> <span class=\"hljs-title class_\">HashMap<\/span>&lt;&gt;();\r\nmap.put(<span class=\"hljs-string\">\"A\"<\/span>, <span class=\"hljs-number\">1<\/span>);\r\nmap.put(<span class=\"hljs-string\">\"B\"<\/span>, <span class=\"hljs-number\">2<\/span>);\r\nmap.put(<span class=\"hljs-string\">\"C\"<\/span>, <span class=\"hljs-number\">3<\/span>);\r\n\r\nSet&lt;Map.Entry&lt;String, Integer&gt;&gt; entrySet = map.entrySet();\r\n<span class=\"hljs-keyword\">for<\/span> (Map.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<\/code><\/pre>\n<p>\u4e0a\u306e\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3067\u306f\u3001\u6700\u521d\u306bHashMap\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3057\u3001\u305d\u3053\u306b\u3044\u304f\u3064\u304b\u306e\u30ad\u30fc\u3068\u5024\u306e\u30da\u30a2\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002\u6b21\u306b\u3001entrySet ()\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u30de\u30c3\u30d7\u5185\u306e\u3059\u3079\u3066\u306e\u30ad\u30fc\u3068\u5024\u306e\u30da\u30a2\u3092\u53d6\u5f97\u3057\u3001\u305d\u308c\u3089\u3092Set&lt;Map.Entry&lt;K\u3001V&gt;&gt;\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u4fdd\u5b58\u3057\u307e\u3059\u3002<\/p>\n<p>\u6b21\u306b\u3001entrySet \u5185\u306e\u5404 Map.Entry \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u53cd\u5fa9\u51e6\u7406\u3059\u308b\u3053\u3068\u3067\u3001\u5404\u30ad\u30fc\u3068\u5024\u306e\u30ad\u30fc-\u5024\u30da\u30a2\u3092\u53d6\u5f97\u3067\u304d\u307e\u3059\u3002\u3053\u306e\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3067\u306f\u3001getKey() \u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u30ad\u30fc\u3092\u53d6\u5f97\u3057\u3001getValue() \u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u5024\u3092\u53d6\u5f97\u3057\u3001\u305d\u308c\u3089\u3092\u51fa\u529b\u3057\u307e\u3059\u3002<\/p>\n<p>\u4ee5\u4e0a\u306e\u69cb\u6587\u3092\u5b9f\u884c\u3059\u308b\u3068\u3001\u6b21\u306e\u51fa\u529b\u304c\u5f97\u3089\u308c\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code>Key: A, Value: 1\r\nKey: B, Value: 2\r\nKey: C, Value: 3\r\n<\/code><\/pre>\n<p>entrySet()\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3048\u3070\u3001Map\u306b\u3042\u308b\u30ad\u30fc\u3068\u5024\u3092\u3059\u3079\u3066\u7c21\u5358\u306b\u53d6\u5f97\u3067\u304d\u308b\u3053\u3068\u304c\u5206\u304b\u308a\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Java\u3067\u306f\u3001entrySet()\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u3001\u30de\u30c3\u30d7\u5185\u306e\u3059\u3079\u3066\u306e\u30ad\u30fc\u3068\u5024\u306e\u30da\u30a2\u3092\u53d6\u5f97\u3067\u304d\u307e\u3059\u3002\u3053\u306e\u30e1\u30bd\u30c3\u30c9\u306f\u3001Set&lt;Map.Entry&lt;K\u3001V&gt;&gt;\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u8fd4\u3057\u3001\u3053\u3053\u3067K\u306f\u30ad\u30fc\u306e\u578b\u3067 [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-116096","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"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\u306eMap\u306eentrySet\u30e1\u30bd\u30c3\u30c9\u306e\u4f7f\u3044\u65b9\u306f? - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/ja\/blog\/java\u306emap\u306eentryset\u30e1\u30bd\u30c3\u30c9\u306e\u4f7f\u3044\u65b9\u306f\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta 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