{"id":26075,"date":"2024-03-17T06:23:32","date_gmt":"2024-03-16T21:23:32","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/java%e3%81%a7map%e3%81%ae%e5%80%a4%e3%82%92%e5%a4%89%e6%9b%b4%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95%e3%81%af%e4%bd%95%e3%81%a7%e3%81%99%e3%81%8b%e3%80%82\/"},"modified":"2024-03-22T13:00:38","modified_gmt":"2024-03-22T04:00:38","slug":"java%e3%81%a7map%e3%81%ae%e5%80%a4%e3%82%92%e5%a4%89%e6%9b%b4%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95%e3%81%af%e4%bd%95%e3%81%a7%e3%81%99%e3%81%8b%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/java%e3%81%a7map%e3%81%ae%e5%80%a4%e3%82%92%e5%a4%89%e6%9b%b4%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95%e3%81%af%e4%bd%95%e3%81%a7%e3%81%99%e3%81%8b%e3%80%82\/","title":{"rendered":"Java\u3067Map\u306e\u5024\u3092\u5909\u66f4\u3059\u308b\u65b9\u6cd5\u306f\u4f55\u3067\u3059\u304b\u3002"},"content":{"rendered":"<p>\u6307\u5b9a\u3055\u308c\u305f\u30ad\u30fc\u306b\u5bfe\u5fdc\u3059\u308b\u5024\u3092\u7f6e\u304d\u63db\u3048\u308b\u306b\u306f\u3001put()\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066Map\u306e\u5024\u3092\u5909\u66f4\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\uff1a<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-comment\">\/\/ \u521b\u5efa\u4e00\u4e2aMap\u5bf9\u8c61<\/span>\r\nMap&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\n<span class=\"hljs-comment\">\/\/ \u4fee\u6539\u6307\u5b9akey\u7684value\u503c<\/span>\r\nmap.put(<span class=\"hljs-string\">\"B\"<\/span>, <span class=\"hljs-number\">4<\/span>);\r\n\r\n<span class=\"hljs-comment\">\/\/ \u8f93\u51fa\u4fee\u6539\u540e\u7684Map<\/span>\r\nSystem.out.println(map);\r\n<\/code><\/pre>\n<p>\u4e0a\u8a18\u306e\u30b3\u30fc\u30c9\u3092\u5b9f\u884c\u3059\u308b\u3068\u3001\u7d50\u679c\u306f{A=1\u3001B=4\u3001C=3}\u3068\u306a\u308a\u307e\u3059\u3002&#8221;B&#8221;\u306b\u5bfe\u5fdc\u3059\u308b\u5024\u304c4\u306b\u5909\u66f4\u3055\u308c\u305f\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n<p>Map\u306b\u5b58\u5728\u3057\u306a\u3044key\u3092put()\u30e1\u30bd\u30c3\u30c9\u3067\u4fee\u6b63\u3057\u305f\u3044\u5834\u5408\u3001\u65b0\u3057\u3044key-value\u30da\u30a2\u304cMap\u306b\u8ffd\u52a0\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u6ce8\u610f\uff1a\u30de\u30c3\u30d7\u306e\u30ad\u30fc\u306f\u30e6\u30cb\u30fc\u30af\u3067\u3042\u308a\u3001\u3082\u3057\u5909\u66f4\u3057\u3088\u3046\u3068\u3059\u308b\u30ad\u30fc\u304c\u65e2\u306b\u30de\u30c3\u30d7\u306b\u5b58\u5728\u3059\u308b\u5834\u5408\u3001\u65b0\u3057\u3044\u5024\u304c\u53e4\u3044\u5024\u306b\u7f6e\u304d\u63db\u308f\u308a\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6307\u5b9a\u3055\u308c\u305f\u30ad\u30fc\u306b\u5bfe\u5fdc\u3059\u308b\u5024\u3092\u7f6e\u304d\u63db\u3048\u308b\u306b\u306f\u3001put()\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066Map\u306e\u5024\u3092\u5909\u66f4\u3067\u304d\u307e\u3059\u3002 \u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\uff1a \/\/ \u521b\u5efa\u4e00\u4e2aMap\u5bf9\u8c61 Map&lt;String, Integer&gt; map [&hellip;]<\/p>\n","protected":false},"author":12,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-26075","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) - 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