{"id":15842,"date":"2017-02-23T20:55:08","date_gmt":"2017-02-23T11:55:08","guid":{"rendered":"http:\/\/www.sejuku.net\/blog\/?p=15842"},"modified":"2024-05-06T11:40:31","modified_gmt":"2024-05-06T02:40:31","slug":"%e3%80%903%e5%88%86%e3%81%a7%e7%90%86%e8%a7%a3%e3%80%91java%e3%81%aemap%e3%82%92%e5%88%9d%e6%9c%9f%e5%8c%96%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/www.sejuku.net\/blog\/15842","title":{"rendered":"\u3010Java\u5165\u9580\u3011Map(HashMap)\u306e\u5ba3\u8a00\u3068\u521d\u671f\u5316\u3092\u3059\u308b\u65b9\u6cd5(\u5b9a\u6570\u5316\u3082\u89e3\u8aac)"},"content":{"rendered":"<p>\u3053\u3093\u306b\u3061\u306f\uff01\u30a8\u30f3\u30b8\u30cb\u30a2\u306e\u4e2d\u6ca2\u3067\u3059\u3002<\/p>\n<p>Java\u3067Map\u3092\u4f7f\u7528\u3057\u305f\u3044\u3068\u601d\u3063\u305f\u3053\u3068\u306f\u3042\u308a\u307e\u305b\u3093\u304b\uff1fMap\u3092\u521d\u3081\u3066\u4f7f\u3046\u65b9\u306f\u3001\u5ba3\u8a00\u3084\u521d\u671f\u5316\u306e\u65b9\u6cd5\u3067\u60a9\u3080\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002\u4eca\u56de\u306f\u3001Map\u306e\u5ba3\u8a00\u3068\u521d\u671f\u5316\u306e\u65b9\u6cd5\u3092\u89e3\u8aac\u3057\u307e\u3059\uff01<\/p>\n<p>\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001<\/p>\n<div class=\"box01\">\n<ul>\n<li><b>Map\u3068\u306f<\/b><\/li>\n<li><b>Map\u306e\u5ba3\u8a00\u3092\u3059\u308b\u65b9\u6cd5<\/b><\/li>\n<li><b>put\u3067\u8981\u7d20\u3092\u8ffd\u52a0\u3059\u308b\u65b9\u6cd5<\/b><\/li>\n<li><b>\u5ba3\u8a00\u3068\u540c\u6642\u306b\u5024\u3092\u8ffd\u52a0\u3057\u3066\u521d\u671f\u5316\u3059\u308b\u65b9\u6cd5<\/b><\/li>\n<li><b>unmodifiableMap\u30e1\u30bd\u30c3\u30c9\u3067Map\u3092\u5b9a\u6570\u5316\u3059\u308b\u65b9\u6cd5<\/b><\/li>\n<\/ul>\n<\/div>\n<p>\u306a\u3069\u306e\u57fa\u672c\u7684\u306a\u5185\u5bb9\u304b\u3089\u3001\u5fdc\u7528\u7684\u306a\u4f7f\u3044\u65b9\u306b\u95a2\u3057\u3066\u3082\u89e3\u8aac\u3057\u3066\u3044\u304d\u307e\u3059\u3002\u4eca\u56de\u306f\u3053\u308c\u3089\u306e\u65b9\u6cd5\u3092\u899a\u3048\u308b\u305f\u3081\u306b\u3001Map\u306e\u5ba3\u8a00\u3068\u521d\u671f\u5316\u3092\u3059\u308b\u65b9\u6cd5\u3092\u308f\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac\u3057\u307e\u3059\uff01<\/p>\n<p>\u306a\u304a\u3001Java\u306e\u8a18\u4e8b\u306b\u3064\u3044\u3066\u306f\u3001<a href=\"https:\/\/www.sejuku.net\/blog\/148098\" target=\"_blank\" rel=\"noopener\">\u3053\u3061\u3089<\/a>\u306b\u307e\u3068\u3081\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2>Map\u3068\u306f<\/h2>\n<p>Map\u306f\u4e8c\u3064\u306e\u8981\u7d20\u304b\u3089\u6210\u308a\u307e\u3059\u3002<\/p>\n<div class=\"box01\">\n<ul>\n<li><b>\u4e00\u3064\u76ee\u306f\u300c\u30ad\u30fc\u300d\u3068\u547c\u3070\u308c\u308b\u540d\u524d\u3067\u3059<\/b><\/li>\n<li><b>\u4e8c\u3064\u76ee\u306f\u300c\u5024\u300d\u306b\u306a\u308a\u307e\u3059<\/b><\/li>\n<\/ul>\n<\/div>\n<p>\u300c\u30ad\u30fc\u300d\u306f\u7c21\u5358\u306b\u3044\u3048\u3070\u3001\u5024\u306b\u3064\u3051\u308b\u540d\u524d\u3060\u3068\u601d\u3063\u3066\u3082\u3089\u3048\u3070\u5927\u4e08\u592b\u3067\u3059\u3002\u5024\u3072\u3068\u3064\u3072\u3068\u3064\u306b\u300c\u30ad\u30fc\u300d\u304c\u5b58\u5728\u3057\u3066\u304a\u308a\u3001\u300c\u30ad\u30fc\u300d\u3068\u300c\u5024\u300d\u304c\u30da\u30a2\u306b\u306a\u3063\u3066\u3044\u308b\u306e\u304cMap\u306e\u7279\u5fb4\u3067\u3059\u3002\u914d\u5217\u3084List\u306f\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u756a\u53f7\u3067\u5024\u3092\u6307\u5b9a\u3057\u307e\u3059\u304c\u3001Map\u306e\u5834\u5408\u306f\u30ad\u30fc\u3067\u5024\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002<\/p>\n<h2>Map\u306e\u5ba3\u8a00\u3068put\u3067\u8981\u7d20\u3092\u8ffd\u52a0\u3059\u308b\u65b9\u6cd5<\/h2>\n<p>\u521d\u3081\u306bnew\u3092\u4f7f\u3063\u305fMap\u306e\u30b7\u30f3\u30d7\u30eb\u306a\u5ba3\u8a00\u306e\u65b9\u6cd5\u3068\u3001put\u30e1\u30bd\u30c3\u30c9\u3067\u8981\u7d20\u3092\u8ffd\u52a0\u3059\u308b\u65b9\u6cd5\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002Map\u306e\u5ba3\u8a00\u3068\u8981\u7d20\u306e\u8ffd\u52a0\u65b9\u6cd5\u3092\u899a\u3048\u308b\u305f\u3081\u306b\u6b21\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<pre class=\"lang:java decode:true \">import java.util.HashMap;\r\nimport java.util.Map;\r\n\r\npublic class Main {\r\n\r\n    public static void main(String[] args) {\r\n\r\n        Map&lt;String, String&gt; map = new HashMap&lt;&gt;();\r\n        map.put(\"samurai\", \"\u4f8d\");\r\n        map.put(\"engineer\", \"\u30a8\u30f3\u30b8\u30cb\u30a2\");\r\n\r\n        for (Map.Entry&lt;String, String&gt; entry : map.entrySet()) {\r\n            System.out.println(entry.getKey() + \" : \" + entry.getValue());\r\n        }\r\n    }\r\n}<\/pre>\n<p>[\u5b9f\u884c\u7d50\u679c]<\/p>\n<pre class=\"striped:false marking:false ranges:false nums:false nums-toggle:false lang:default decode:true \">samurai : \u4f8d\r\nengineer : \u30a8\u30f3\u30b8\u30cb\u30a2<\/pre>\n<p>\u3053\u3053\u3067\u306fMap\u3092\u5ba3\u8a00\u3057\u305f\u5f8c\u306bput\u30e1\u30bd\u30c3\u30c9\u3067\u30ad\u30fc\u3068\u5024\u3092\u8ffd\u52a0\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u3067Map\u306e\u5ba3\u8a00\u3068\u8981\u7d20\u306e\u8ffd\u52a0\u304c\u3067\u304d\u307e\u3057\u305f\uff01<\/p>\n<h2>\u5ba3\u8a00\u3068\u540c\u6642\u306b\u5024\u3092\u8ffd\u52a0\u3057\u3066\u521d\u671f\u5316\u3059\u308b\u65b9\u6cd5<\/h2>\n<p>\u5148\u307b\u3069\u306fMap\u3092\u5ba3\u8a00\u3057\u305f\u5f8c\u306bput\u30e1\u30bd\u30c3\u30c9\u3067\u8981\u7d20\u3092\u8ffd\u52a0\u3059\u308b\u65b9\u6cd5\u3092\u89e3\u8aac\u3057\u307e\u3057\u305f\u304c\u3001\u3053\u3053\u3067\u306f\u5ba3\u8a00\u3068\u540c\u6642\u306b\u5024\u3092\u8ffd\u52a0\u3057\u3066\u521d\u671f\u5316\u3059\u308b\u65b9\u6cd5\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n<h3>\u533f\u540d\u30af\u30e9\u30b9\u3067\u521d\u671f\u5316\u3059\u308b\u65b9\u6cd5<\/h3>\n<p>Map\u306b\u8981\u7d20\u3092\u307e\u3068\u3081\u3066\u8ffd\u52a0\u3057\u3066\u521d\u671f\u5316\u3059\u308b\u306b\u306f\u3001\u533f\u540d\u30af\u30e9\u30b9\u3092\u4f7f\u3046\u65b9\u6cd5\u304c\u3042\u308a\u307e\u3059\u3002\u6ce8\u610f\u70b9\u306f\u3001\u30c0\u30a4\u30e4\u30e2\u30f3\u30c9\u6f14\u7b97\u5b50(&lt;&gt;)\u306e\u4e2d\u306e\u578b\u3092\u7701\u7565\u3067\u304d\u306a\u3044\u3053\u3068\u3067\u3059\u3002\u533f\u540d\u30af\u30e9\u30b9\u3067\u521d\u671f\u5316\u3059\u308b\u65b9\u6cd5\u3092\u6b21\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<pre class=\"lang:java decode:true \">import java.util.HashMap;\r\nimport java.util.Map;\r\n\r\npublic class Main {\r\n\r\n    public static void main(String[] args) {\r\n\r\n        Map&lt;String, String&gt; map = new HashMap&lt;String, String&gt;() {\r\n            {\r\n                put(\"samurai\", \"\u4f8d\");\r\n                put(\"engineer\", \"\u30a8\u30f3\u30b8\u30cb\u30a2\");\r\n            }\r\n        };\r\n\r\n        for (Map.Entry&lt;String, String&gt; entry : map.entrySet()) {\r\n            System.out.println(entry.getKey() + \" : \" + entry.getValue());\r\n        }\r\n    }\r\n}<\/pre>\n<p>[\u5b9f\u884c\u7d50\u679c]<\/p>\n<pre class=\"striped:false marking:false ranges:false nums:false nums-toggle:false lang:default decode:true \">samurai : \u4f8d\r\nengineer : \u30a8\u30f3\u30b8\u30cb\u30a2<\/pre>\n<p>\u3053\u306e\u3088\u3046\u306b\u533f\u540d\u30af\u30e9\u30b9\u3092\u4f7f\u3046\u3053\u3068\u3067Map\u3092\u521d\u671f\u5316\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3057\u305f\uff01<\/p>\n<h3>static\u30a4\u30cb\u30b7\u30e3\u30e9\u30a4\u30b6\u3092\u4f7f\u3046\u65b9\u6cd5<\/h3>\n<p>\u3053\u3053\u3067\u306fstatic\u30a4\u30cb\u30b7\u30e3\u30e9\u30a4\u30b6\u3092\u4f7f\u3063\u3066\u521d\u671f\u5316\u3059\u308b\u65b9\u6cd5\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002static\u30a4\u30cb\u30b7\u30e3\u30e9\u30a4\u30b6\u306f\u30af\u30e9\u30b9\u5185\u3067\u4f7f\u308f\u308c\u308b\u30af\u30e9\u30b9\u5909\u6570\u3092\u521d\u671f\u5316\u3059\u308b\u3068\u304d\u306b\u4f7f\u3044\u307e\u3059\u3002\u6b21\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3067static\u30a4\u30cb\u30b7\u30e3\u30e9\u30a4\u30b6\u306e\u4f7f\u3044\u65b9\u3092\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<pre class=\"lang:java decode:true \">import java.util.HashMap;\r\nimport java.util.Map;\r\n\r\npublic class Main {\r\n\r\n    private static Map&lt;String, String&gt; map = new HashMap&lt;&gt;();\r\n    static {\r\n        map.put(\"samurai\", \"\u4f8d\");\r\n        map.put(\"engineer\", \"\u30a8\u30f3\u30b8\u30cb\u30a2\");\r\n    }\r\n\r\n    public static void main(String[] args) {\r\n        for (Map.Entry&lt;String, String&gt; entry : map.entrySet()) {\r\n            System.out.println(entry.getKey() + \" : \" + entry.getValue());\r\n        }\r\n    }\r\n}<\/pre>\n<p>[\u5b9f\u884c\u7d50\u679c]<\/p>\n<pre class=\"striped:false marking:false ranges:false nums:false nums-toggle:false lang:default decode:true \">samurai : \u4f8d\r\nengineer : \u30a8\u30f3\u30b8\u30cb\u30a2<\/pre>\n<p>\u3053\u306e\u3088\u3046\u306bstatic\u30a4\u30cb\u30b7\u30e3\u30e9\u30a4\u30b6\u3092\u4f7f\u3046\u3053\u3068\u3067Map\u3092\u521d\u671f\u5316\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3057\u305f\uff01<\/p>\n<h2>\u5ba3\u8a00\u3067\u3053\u306e\u66f8\u304d\u65b9\u306f\u30a2\u30ea\uff1f\u30ca\u30b7\uff1f<\/h2>\n<p>\u6b21\u306e\u3088\u3046\u306a\u66f8\u304d\u65b9\u3067Map\u3092\u521d\u671f\u5316\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u308b\u3067\u3057\u3087\u3046\u304b\uff1f<\/p>\n<pre class=\"lang:java decode:true \">Map&lt;String, String&gt; map = new Map&lt;&gt;();<\/pre>\n<p>\u5b9f\u306f\u3053\u306e\u3088\u3046\u306a\u66f8\u304d\u65b9\u3067\u306f\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u751f\u6210\u3067\u304d\u306a\u3044\u305f\u3081\u521d\u671f\u5316\u304c\u3067\u304d\u307e\u305b\u3093\u3002\u57fa\u672c\u7684\u306b\u306f\u6b21\u306e\u3088\u3046\u306b\u3001Map\u578b\u5909\u6570\u306bHashMap\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u683c\u7d0d\u3057\u3066\u4f7f\u3046\u3068\u899a\u3048\u307e\u3057\u3087\u3046\u3002<\/p>\n<pre class=\"lang:java decode:true \">Map&lt;String, String&gt; map = new HashMap&lt;&gt;();<\/pre>\n<p>HashMap\u306e\u4ed6\u306b\u3082TreeMap\u3084LinkedHashMap\u3092\u76ee\u7684\u306b\u5fdc\u3058\u3066\u4f7f\u3046\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u57fa\u672c\u7684\u306b\u306fMap\u3068\u3044\u3048\u3070HashMap\u3092\u4f7f\u3044\u307e\u3059\u3002<\/p>\n<h2>unmodifiableMap\u30e1\u30bd\u30c3\u30c9\u3067Map\u3092\u5b9a\u6570\u5316\u3059\u308b<\/h2>\n<p>\u6700\u5f8c\u306bMap\u3092\u5b9a\u6570\u3068\u3057\u3066\u6271\u3046\u65b9\u6cd5\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002int\u578b\u306a\u3069\u3092\u5b9a\u6570\u3068\u3057\u3066\u6271\u3044\u305f\u3044\u5834\u5408\u306ffinal\u4fee\u98fe\u5b50\u3092\u3064\u3051\u308b\u3053\u3068\u3067\u5024\u306e\u5909\u66f4\u304c\u3067\u304d\u306a\u3044\u5b9a\u6570\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u3057\u304b\u3057\u3001Map\u306e\u5834\u5408\u306ffinal\u4fee\u98fe\u5b50\u3092\u3064\u3051\u3066\u3082\u8981\u7d20\u306e\u8ffd\u52a0\u306a\u3069\u304c\u3067\u304d\u3066\u3057\u307e\u3046\u305f\u3081\u3001unmodifiableMap\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3063\u3066\u5b9a\u6570\u5316\u3057\u307e\u3059\u3002\u6b21\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<pre class=\"lang:java decode:true \">import java.util.Collections;\r\nimport java.util.HashMap;\r\nimport java.util.Map;\r\n\r\npublic class Main {\r\n\r\n    private static final Map&lt;String, String&gt; MAP;\r\n    static {\r\n        Map&lt;String, String&gt; map = new HashMap&lt;&gt;();\r\n        map.put(\"samurai\", \"\u4f8d\");\r\n        map.put(\"engineer\", \"\u30a8\u30f3\u30b8\u30cb\u30a2\");\r\n        MAP = Collections.unmodifiableMap(map);\r\n    }\r\n\r\n    public static void main(String[] args) {\r\n        for (Map.Entry&lt;String, String&gt; entry : MAP.entrySet()) {\r\n            System.out.println(entry.getKey() + \" : \" + entry.getValue());\r\n        }\r\n    }\r\n}<\/pre>\n<p>[\u5b9f\u884c\u7d50\u679c]<\/p>\n<pre class=\"nums:false lang:java decode:true \">samurai : \u4f8d\r\nengineer : \u30a8\u30f3\u30b8\u30cb\u30a2<\/pre>\n<p>\u3053\u3053\u3067\u306fstatic\u30a4\u30cb\u30b7\u30e3\u30e9\u30a4\u30b6\u3067\u521d\u671f\u5316\u3057\u305fMap\u306bunmodifiableMap\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3063\u3066\u5b9a\u6570\u5316\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u3088\u3046\u306bunmodifiableMap\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3046\u3053\u3068\u3067\u5024\u306e\u5909\u66f4\u3092\u8a31\u53ef\u3057\u306a\u3044Map\u3092\u4f5c\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3057\u305f\uff01<\/p>\n<h2>Map\u306e\u4f7f\u3044\u65b9\u7dcf\u307e\u3068\u3081<\/h2>\n<p>Map\u306b\u3064\u3044\u3066\u3055\u3089\u306b\u8a73\u3057\u304f\u77e5\u308a\u305f\u3044\u3068\u304d\u306f\u3053\u3061\u3089\u306e\u8a18\u4e8b\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\uff01<\/p>\n            <a href=\"https:\/\/www.sejuku.net\/blog\/19796\" class=\"blog-card-anchor\">\n                <div class=\"blog-card\">\n                <div class=\"blog-card-content\">\n                    <div class=\"blog-card-thumbnail\">\n                    <img decoding=\"async\" class=\"blog-card-thumbnail-img\" src=\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/03\/hashmap-150x86.jpg\">\n                    <\/div>\n                    <div class=\"blog-card-title-wrap\">\n                    <div class=\"blog-card-title\">\u3010Java\u5165\u9580\u3011Map\u306e\u4f7f\u3044\u65b9\u7dcf\u307e\u3068\u3081(HashMap\u3067\u521d\u671f\u5316\u3001\u5024\u306e\u30bd\u30fc\u30c8)<\/div>\n                    <div class=\"blog-card-update-date\">\u66f4\u65b0\u65e5\uff1a2024\u5e745\u67086\u65e5<\/div>\n                    <\/div>\n                <\/div>\n                <\/div>\n            <\/a>\n            \n<h2>\u307e\u3068\u3081<\/h2>\n<p>\u3044\u304b\u304c\u3067\u3057\u305f\u304b\uff1f<\/p>\n<p>\u4eca\u56de\u306fMap(HashMap)\u306e\u5ba3\u8a00\u3068\u521d\u671f\u5316\u3092\u3059\u308b\u65b9\u6cd5\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3057\u305f\u3002Map\u3092\u5b9a\u6570\u3068\u3057\u3066\u4f7f\u3046\u5834\u5408\u306ffinal\u4fee\u98fe\u5b50\u3060\u3051\u3067\u306f\u306a\u304f\u3001unmodifiableMap\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3046\u5fc5\u8981\u304c\u3042\u308b\u306e\u3067\u5fd8\u308c\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u306d\u3002<\/p>\n<p>\u3082\u3057Map\u306e\u521d\u671f\u5316\u3068\u540c\u6642\u306b\u5024\u3092\u8ffd\u52a0\u3059\u308b\u65b9\u6cd5\u3084\u3001Map\u3092\u5b9a\u6570\u5316\u3059\u308b\u65b9\u6cd5\u3092\u5fd8\u308c\u3066\u3057\u307e\u3063\u305f\u3089\u3053\u306e\u8a18\u4e8b\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u3053\u3093\u306b\u3061\u306f\uff01\u30a8\u30f3\u30b8\u30cb\u30a2\u306e\u4e2d\u6ca2\u3067\u3059\u3002 Java\u3067Map\u3092\u4f7f\u7528\u3057\u305f\u3044\u3068\u601d\u3063\u305f\u3053\u3068\u306f\u3042\u308a\u307e\u305b\u3093\u304b\uff1fMap\u3092\u521d\u3081\u3066\u4f7f\u3046\u65b9\u306f\u3001\u5ba3\u8a00\u3084\u521d\u671f\u5316\u306e\u65b9\u6cd5\u3067\u60a9\u3080\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002\u4eca\u56de\u306f\u3001Map\u306e\u5ba3\u8a00\u3068\u521d\u671f\u5316\u306e\u65b9\u6cd5\u3092\u89e3\u8aac\u3057\u307e\u3059\uff01 \u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001 [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":39631,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"swell_btn_cv_data":"","footnotes":""},"categories":[2344],"tags":[67],"class_list":["post-15842","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-java-study","tag-java"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO 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content=\"\u3010Java\u5165\u9580\u3011Map(HashMap)\u306e\u5ba3\u8a00\u3068\u521d\u671f\u5316\u3092\u3059\u308b\u65b9\u6cd5(\u5b9a\u6570\u5316\u3082\u89e3\u8aac) | \u4f8d\u30a8\u30f3\u30b8\u30cb\u30a2\u30d6\u30ed\u30b0\" \/>\n<meta property=\"og:description\" content=\"\u3053\u306e\u8a18\u4e8b\u3067\u306f\u300c \u3010Java\u5165\u9580\u3011Map(HashMap)\u306e\u5ba3\u8a00\u3068\u521d\u671f\u5316\u3092\u3059\u308b\u65b9\u6cd5(\u5b9a\u6570\u5316\u3082\u89e3\u8aac) \u300d\u306b\u3064\u3044\u3066\u3001\u8ab0\u3067\u3082\u7406\u89e3\u3067\u304d\u308b\u3088\u3046\u306b\u89e3\u8aac\u3057\u307e\u3059\u3002\u3053\u306e\u8a18\u4e8b\u3092\u8aad\u3081\u3070\u3001\u3042\u306a\u305f\u306e\u60a9\u307f\u304c\u89e3\u6c7a\u3059\u308b\u3060\u3051\u3058\u3083\u306a\u304f\u3001\u65b0\u305f\u306a\u6c17\u4ed8\u304d\u3082\u767a\u898b\u3067\u304d\u308b\u3053\u3068\u3067\u3057\u3087\u3046\u3002\u304a\u60a9\u307f\u306e\u65b9\u306f\u305c\u3072\u3054\u4e00\u8aad\u304f\u3060\u3055\u3044\u3002\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.sejuku.net\/blog\/15842\" \/>\n<meta property=\"og:site_name\" content=\"\u4f8d\u30a8\u30f3\u30b8\u30cb\u30a2\u30d6\u30ed\u30b0\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/sejuku2013\" \/>\n<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/sejuku2013\/\" \/>\n<meta property=\"article:published_time\" content=\"2017-02-23T11:55:08+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-05-06T02:40:31+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.sejuku.net\/blog\/wp-content\/uploads\/2017\/02\/map.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"700\" \/>\n\t<meta property=\"og:image:height\" content=\"400\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"\u4f8d\u30a8\u30f3\u30b8\u30cb\u30a2\u7de8\u96c6\u90e8\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@https:\/\/twitter.com\/samuraijuku\" \/>\n<meta name=\"twitter:site\" content=\"@samuraijuku\" \/>\n<script type=\"application\/ld+json\" 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