{"id":10646,"date":"2024-03-15T05:25:36","date_gmt":"2024-03-14T20:25:36","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/c%e3%81%a7hashmapex%e3%81%ae%e3%83%87%e3%82%a3%e3%83%bc%e3%83%97%e3%82%b3%e3%83%94%e3%83%bc%e3%82%92%e5%ae%9f%e7%8f%be%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\/"},"modified":"2025-08-05T04:07:02","modified_gmt":"2025-08-04T19:07:02","slug":"c%e3%81%a7hashmapex%e3%81%ae%e3%83%87%e3%82%a3%e3%83%bc%e3%83%97%e3%82%b3%e3%83%94%e3%83%bc%e3%82%92%e5%ae%9f%e7%8f%be%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","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/c%e3%81%a7hashmapex%e3%81%ae%e3%83%87%e3%82%a3%e3%83%bc%e3%83%97%e3%82%b3%e3%83%94%e3%83%bc%e3%82%92%e5%ae%9f%e7%8f%be%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\/","title":{"rendered":"C#\u3067HashMapEx\u306e\u30c7\u30a3\u30fc\u30d7\u30b3\u30d4\u30fc\u3092\u5b9f\u73fe\u3059\u308b\u65b9\u6cd5\u306f\u4f55\u3067\u3059\u304b\uff1f"},"content":{"rendered":"<p>C\uff03\u3067HashMap\u306e\u6df1\u3044\u30b3\u30d4\u30fc\u3092\u5b9f\u73fe\u3059\u308b\u306b\u306f\u3001\u6b21\u306e\u624b\u9806\u3092\u5b9f\u884c\u3067\u304d\u307e\u3059\u3002<\/p>\n<ol>\n<li>\u65b0\u3057\u3044HashMap\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3059\u308b\u3002<\/li>\n<li>\u5143\u306eHashMap\u5185\u306e\u3059\u3079\u3066\u306e\u30ad\u30fc\u3068\u5024\u306e\u30da\u30a2\u3092\u30eb\u30fc\u30d7\u3057\u3001\u5404\u30ad\u30fc\u3068\u5024\u3092\u30c7\u30a3\u30fc\u30d7\u30b3\u30d4\u30fc\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<li>\u65b0\u3057\u3044HashMap\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u3001\u6df1\u3044\u30b3\u30d4\u30fc\u304c\u3055\u308c\u305f\u30ad\u30fc\u3068\u5024\u306e\u30da\u30a2\u3092\u8ffd\u52a0\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<\/ol>\n<p>HashMap\u306e\u30c7\u30a3\u30fc\u30d7\u30b3\u30d4\u30fc\u3092\u5b9f\u73fe\u3059\u308b\u305f\u3081\u306e\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u304c\u4ee5\u4e0b\u306b\u793a\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">using<\/span> System;\r\n<span class=\"hljs-keyword\">using<\/span> System.Collections.Generic;\r\n\r\n<span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title\">Program<\/span>\r\n{\r\n    <span class=\"hljs-function\"><span class=\"hljs-keyword\">static<\/span> <span class=\"hljs-keyword\">void<\/span> <span class=\"hljs-title\">Main<\/span>()<\/span>\r\n    {\r\n        <span class=\"hljs-comment\">\/\/ \u521b\u5efa\u4e00\u4e2a\u539f\u59cb\u7684HashMap\u5bf9\u8c61<\/span>\r\n        Dictionary&lt;<span class=\"hljs-built_in\">string<\/span>, List&lt;<span class=\"hljs-built_in\">int<\/span>&gt;&gt; originalMap = <span class=\"hljs-keyword\">new<\/span> Dictionary&lt;<span class=\"hljs-built_in\">string<\/span>, List&lt;<span class=\"hljs-built_in\">int<\/span>&gt;&gt;();\r\n        originalMap.Add(<span class=\"hljs-string\">\"key1\"<\/span>, <span class=\"hljs-keyword\">new<\/span> List&lt;<span class=\"hljs-built_in\">int<\/span>&gt; { <span class=\"hljs-number\">1<\/span>, <span class=\"hljs-number\">2<\/span>, <span class=\"hljs-number\">3<\/span> });\r\n        originalMap.Add(<span class=\"hljs-string\">\"key2\"<\/span>, <span class=\"hljs-keyword\">new<\/span> List&lt;<span class=\"hljs-built_in\">int<\/span>&gt; { <span class=\"hljs-number\">4<\/span>, <span class=\"hljs-number\">5<\/span>, <span class=\"hljs-number\">6<\/span> });\r\n\r\n        <span class=\"hljs-comment\">\/\/ \u521b\u5efa\u4e00\u4e2a\u65b0\u7684HashMap\u5bf9\u8c61\u7528\u4e8e\u6df1\u62f7\u8d1d<\/span>\r\n        Dictionary&lt;<span class=\"hljs-built_in\">string<\/span>, List&lt;<span class=\"hljs-built_in\">int<\/span>&gt;&gt; deepCopyMap = <span class=\"hljs-keyword\">new<\/span> Dictionary&lt;<span class=\"hljs-built_in\">string<\/span>, List&lt;<span class=\"hljs-built_in\">int<\/span>&gt;&gt;();\r\n\r\n        <span class=\"hljs-comment\">\/\/ \u904d\u5386\u539f\u59cbHashMap\uff0c\u5e76\u8fdb\u884c\u6df1\u62f7\u8d1d<\/span>\r\n        <span class=\"hljs-keyword\">foreach<\/span> (<span class=\"hljs-keyword\">var<\/span> kvp <span class=\"hljs-keyword\">in<\/span> originalMap)\r\n        {\r\n            <span class=\"hljs-built_in\">string<\/span> key = kvp.Key;\r\n            List&lt;<span class=\"hljs-built_in\">int<\/span>&gt; <span class=\"hljs-keyword\">value<\/span> = <span class=\"hljs-keyword\">new<\/span> List&lt;<span class=\"hljs-built_in\">int<\/span>&gt;(kvp.Value); <span class=\"hljs-comment\">\/\/ \u6df1\u62f7\u8d1d<\/span>\r\n\r\n            deepCopyMap.Add(key, <span class=\"hljs-keyword\">value<\/span>);\r\n        }\r\n\r\n        <span class=\"hljs-comment\">\/\/ \u8f93\u51fa\u539f\u59cbHashMap\u548c\u6df1\u62f7\u8d1d\u540e\u7684HashMap<\/span>\r\n        Console.WriteLine(<span class=\"hljs-string\">\"Original Map:\"<\/span>);\r\n        <span class=\"hljs-keyword\">foreach<\/span> (<span class=\"hljs-keyword\">var<\/span> kvp <span class=\"hljs-keyword\">in<\/span> originalMap)\r\n        {\r\n            Console.WriteLine(<span class=\"hljs-string\">$\"<span class=\"hljs-subst\">{kvp.Key}<\/span>: <span class=\"hljs-subst\">{<span class=\"hljs-built_in\">string<\/span>.Join(<span class=\"hljs-string\">\",\"<\/span>, kvp.Value)}<\/span>\"<\/span>);\r\n        }\r\n\r\n        Console.WriteLine(<span class=\"hljs-string\">\"\\nDeep Copy Map:\"<\/span>);\r\n        <span class=\"hljs-keyword\">foreach<\/span> (<span class=\"hljs-keyword\">var<\/span> kvp <span class=\"hljs-keyword\">in<\/span> deepCopyMap)\r\n        {\r\n            Console.WriteLine(<span class=\"hljs-string\">$\"<span class=\"hljs-subst\">{kvp.Key}<\/span>: <span class=\"hljs-subst\">{<span class=\"hljs-built_in\">string<\/span>.Join(<span class=\"hljs-string\">\",\"<\/span>, kvp.Value)}<\/span>\"<\/span>);\r\n        }\r\n    }\r\n}\r\n<\/code><\/pre>\n<p>\u4e0a\u8a18\u306e\u30b3\u30fc\u30c9\u3067\u306f\u3001\u5024\u3068\u3057\u3066List\u3092\u4f7f\u7528\u3057\u3001\u305d\u306e\u5024\u3092\u30c7\u30a3\u30fc\u30d7\u30b3\u30d4\u30fc\u3057\u307e\u3057\u305f\u3002\u65b0\u3057\u3044List\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3057\u3001\u5143\u306eList\u306e\u8981\u7d20\u3092\u65b0\u3057\u3044List\u306b\u30b3\u30d4\u30fc\u3059\u308b\u3053\u3068\u3067\u3001\u30c7\u30a3\u30fc\u30d7\u30b3\u30d4\u30fc\u3092\u5b9f\u73fe\u3057\u307e\u3057\u305f\u3002\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u30b3\u30fc\u30c9\u3092\u5909\u66f4\u3057\u3066\u3001\u8981\u4ef6\u3092\u6e80\u305f\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>C\uff03\u3067HashMap\u306e\u6df1\u3044\u30b3\u30d4\u30fc\u3092\u5b9f\u73fe\u3059\u308b\u306b\u306f\u3001\u6b21\u306e\u624b\u9806\u3092\u5b9f\u884c\u3067\u304d\u307e\u3059\u3002 \u65b0\u3057\u3044HashMap\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3059\u308b\u3002 \u5143\u306eHashMap\u5185\u306e\u3059\u3079\u3066\u306e\u30ad\u30fc\u3068\u5024\u306e\u30da\u30a2\u3092\u30eb\u30fc\u30d7\u3057\u3001\u5404\u30ad\u30fc\u3068\u5024\u3092\u30c7\u30a3\u30fc\u30d7\u30b3\u30d4\u30fc\u3057\u3066\u304f\u3060\u3055\u3044\u3002 \u65b0 [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[26,61],"class_list":["post-10646","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-26","tag-61"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ 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