{"id":126667,"date":"2024-03-24T23:19:06","date_gmt":"2024-03-24T14:19:06","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/java%e3%81%aemap%e3%81%8b%e3%82%89%e8%a6%81%e7%b4%a0%e3%82%92%e5%89%8a%e9%99%a4%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95\/"},"modified":"2024-04-04T21:31:41","modified_gmt":"2024-04-04T12:31:41","slug":"java%e3%81%aemap%e3%81%8b%e3%82%89%e8%a6%81%e7%b4%a0%e3%82%92%e5%89%8a%e9%99%a4%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/java%e3%81%aemap%e3%81%8b%e3%82%89%e8%a6%81%e7%b4%a0%e3%82%92%e5%89%8a%e9%99%a4%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95\/","title":{"rendered":"java\u306eMap\u304b\u3089\u8981\u7d20\u3092\u524a\u9664\u3059\u308b\u65b9\u6cd5"},"content":{"rendered":"

Java\u306b\u304a\u3044\u3066\u3001Map\u304b\u3089\u3042\u308b\u8981\u7d20\u3092\u524a\u9664\u3059\u308b\u306b\u306fremove()\u30e1\u30bd\u30c3\u30c9\u3092\u7528\u3044\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002remove()\u30e1\u30bd\u30c3\u30c9\u306b\u306f2\u3064\u306e\u30aa\u30fc\u30d0\u30fc\u30ed\u30fc\u30c9\u3055\u308c\u305f\u5f62\u5f0f\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n

    \n
  1. \u6307\u5b9a\u3057\u305fkey\u306b\u5bfe\u5fdc\u3057\u305f\u30ad\u30fc\u30d0\u30ea\u30e5\u30fc\u30da\u30a2\u3092\u524a\u9664\u3059\u308b\u3002<\/li>\n
  2. \u6307\u5b9a\u306e\u30ad\u30fc\u3068\u5024\u306b\u57fa\u3065\u3044\u3066\u5bfe\u5fdc\u3059\u308b\u30ad\u30fc\u3068\u5024\u306e\u30da\u30a2\u3092\u524a\u9664\u3059\u308b\u3002<\/li>\n<\/ol>\n

    Java \u306e remove() \u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066 Map \u304b\u3089\u8981\u7d20\u3092\u524a\u9664\u3059\u308b\u30b5\u30f3\u30d7\u30eb \u30b3\u30fc\u30c9\u3092\u4ee5\u4e0b\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n

    import<\/span> java.util.HashMap;\r\nimport<\/span> java.util.Map;\r\npublic<\/span> class<\/span> Main<\/span> {\r\npublic<\/span> static<\/span> void<\/span> main<\/span>(String[] args)<\/span> {\r\n\/\/ \u521b\u5efa\u4e00\u4e2aHashMap\u5bf9\u8c61<\/span>\r\nMap<String, Integer> map = new<\/span> HashMap<\/span><>();\r\n\/\/ \u6dfb\u52a0\u952e\u503c\u5bf9<\/span>\r\nmap.put(\"A\"<\/span>, 1<\/span>);\r\nmap.put(\"B\"<\/span>, 2<\/span>);\r\nmap.put(\"C\"<\/span>, 3<\/span>);\r\n\/\/ \u5220\u9664\u6307\u5b9akey\u7684\u5143\u7d20<\/span>\r\nmap.remove(\"B\"<\/span>);\r\n\/\/ \u6253\u5370Map\u4e2d\u7684\u5143\u7d20<\/span>\r\nSystem.out.println(map);\r\n}\r\n}\r\n<\/code><\/pre>\n
    \u51fa\u529b\u7d50\u679c\u306f{A=1, C=3}\u3067\u3057\u305f\u3002\u8981\u7d20B\u306f\u6b63\u5e38\u306b\u524a\u9664\u3067\u304d\u307e\u3057\u305f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
    Java\u306b\u304a\u3044\u3066\u3001Map\u304b\u3089\u3042\u308b\u8981\u7d20\u3092\u524a\u9664\u3059\u308b\u306b\u306fremove()\u30e1\u30bd\u30c3\u30c9\u3092\u7528\u3044\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002remove()\u30e1\u30bd\u30c3\u30c9\u306b\u306f2\u3064\u306e\u30aa\u30fc\u30d0\u30fc\u30ed\u30fc\u30c9\u3055\u308c\u305f\u5f62\u5f0f\u304c\u3042\u308a\u307e\u3059\u3002 \u6307\u5b9a\u3057\u305fkey\u306b\u5bfe\u5fdc\u3057\u305f\u30ad\u30fc\u30d0\u30ea\u30e5\u30fc\u30da\u30a2\u3092\u524a\u9664\u3059\u308b […]<\/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-126667","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\njava\u306eMap\u304b\u3089\u8981\u7d20\u3092\u524a\u9664\u3059\u308b\u65b9\u6cd5 - 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\u304b\u3089\u8981\u7d20\u3092\u524a\u9664\u3059\u308b\u65b9\u6cd5\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"java\u306eMap\u304b\u3089\u8981\u7d20\u3092\u524a\u9664\u3059\u308b\u65b9\u6cd5\" \/>\n<meta property=\"og:description\" content=\"Java\u306b\u304a\u3044\u3066\u3001Map\u304b\u3089\u3042\u308b\u8981\u7d20\u3092\u524a\u9664\u3059\u308b\u306b\u306fremove()\u30e1\u30bd\u30c3\u30c9\u3092\u7528\u3044\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002remove()\u30e1\u30bd\u30c3\u30c9\u306b\u306f2\u3064\u306e\u30aa\u30fc\u30d0\u30fc\u30ed\u30fc\u30c9\u3055\u308c\u305f\u5f62\u5f0f\u304c\u3042\u308a\u307e\u3059\u3002 \u6307\u5b9a\u3057\u305fkey\u306b\u5bfe\u5fdc\u3057\u305f\u30ad\u30fc\u30d0\u30ea\u30e5\u30fc\u30da\u30a2\u3092\u524a\u9664\u3059\u308b […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/ja\/blog\/java\u306emap\u304b\u3089\u8981\u7d20\u3092\u524a\u9664\u3059\u308b\u65b9\u6cd5\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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