{"id":112902,"date":"2024-03-22T20:38:37","date_gmt":"2024-03-22T11:38:37","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/%e5%8b%95%e7%9a%84%e9%85%8d%e5%88%97%e3%81%ae%e4%bd%9c%e6%88%90%e6%96%b9%e6%b3%95%e3%81%afjava\/"},"modified":"2024-03-28T02:57:23","modified_gmt":"2024-03-27T17:57:23","slug":"%e5%8b%95%e7%9a%84%e9%85%8d%e5%88%97%e3%81%ae%e4%bd%9c%e6%88%90%e6%96%b9%e6%b3%95%e3%81%afjava","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/%e5%8b%95%e7%9a%84%e9%85%8d%e5%88%97%e3%81%ae%e4%bd%9c%e6%88%90%e6%96%b9%e6%b3%95%e3%81%afjava\/","title":{"rendered":"\u52d5\u7684\u914d\u5217\u306e\u4f5c\u6210\u65b9\u6cd5\u306fJava"},"content":{"rendered":"

Java\u3067\u306f\u3001\u53ef\u5909\u9577\u306e\u914d\u5217\u3092\u4f5c\u6210\u3059\u308b\u306e\u306bArrayList\u30af\u30e9\u30b9\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002\u4ee5\u4e0b\u306b\u3001\u53ef\u5909\u9577\u306e\u914d\u5217\u3092\u4f5c\u6210\u3059\u308b\u305f\u3081\u306e\u30b3\u30fc\u30c9\u306e\u4f8b\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n

    \n
  1. ArrayList\u30af\u30e9\u30b9\u306e`add()`\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3063\u3066\u8981\u7d20\u3092\u8ffd\u52a0\u3059\u308b\uff1a<\/li>\n<\/ol>\n
    import<\/span> java.util.ArrayList;\r\n\r\npublic<\/span> class<\/span> Main<\/span> {\r\n    public<\/span> static<\/span> void<\/span> main<\/span>(String[] args)<\/span> {\r\n        ArrayList<Integer> numbers = new<\/span> ArrayList<\/span><Integer>();\r\n        \r\n        numbers.add(10<\/span>);\r\n        numbers.add(20<\/span>);\r\n        numbers.add(30<\/span>);\r\n        \r\n        System.out.println(numbers);  \/\/ \u8f93\u51fa\uff1a[10, 20, 30]<\/span>\r\n    }\r\n}\r\n<\/code><\/pre>\n
      \n
    1. ArrayList\u30af\u30e9\u30b9\u306eremove()\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u8981\u7d20\u3092\u524a\u9664\u3059\u308b<\/li>\n<\/ol>\n
      import<\/span> java.util.ArrayList;\r\n\r\npublic<\/span> class<\/span> Main<\/span> {\r\n    public<\/span> static<\/span> void<\/span> main<\/span>(String[] args)<\/span> {\r\n        ArrayList<String> fruits = new<\/span> ArrayList<\/span><String>();\r\n        \r\n        fruits.add(\"Apple\"<\/span>);\r\n        fruits.add(\"Banana\"<\/span>);\r\n        fruits.add(\"Orange\"<\/span>);\r\n        \r\n        fruits.remove(\"Banana\"<\/span>);\r\n        \r\n        System.out.println(fruits);  \/\/ \u8f93\u51fa\uff1a[Apple, Orange]<\/span>\r\n    }\r\n}\r\n<\/code><\/pre>\n
        \n
      1. ArrayList\u30af\u30e9\u30b9\u306eget()\u30e1\u30bd\u30c3\u30c9\u3067\u6307\u5b9a\u3057\u305f\u4f4d\u7f6e\u306e\u8981\u7d20\u3092\u53d6\u5f97\u3059\u308b<\/li>\n<\/ol>\n
        import<\/span> java.util.ArrayList;\r\n\r\npublic<\/span> class<\/span> Main<\/span> {\r\n    public<\/span> static<\/span> void<\/span> main<\/span>(String[] args)<\/span> {\r\n        ArrayList<String> colors = new<\/span> ArrayList<\/span><String>();\r\n        \r\n        colors.add(\"Red\"<\/span>);\r\n        colors.add(\"Green\"<\/span>);\r\n        colors.add(\"Blue\"<\/span>);\r\n        \r\n        String<\/span> color<\/span> =<\/span> colors.get(0<\/span>);\r\n        \r\n        System.out.println(color);  \/\/ \u8f93\u51fa\uff1aRed<\/span>\r\n    }\r\n}\r\n<\/code><\/pre>\n
        ArrayList\u30af\u30e9\u30b9\u306fjava.util\u30d1\u30c3\u30b1\u30fc\u30b8\u306b\u3042\u308b\u306e\u3067\u3001\u30b3\u30fc\u30c9\u3067\u305d\u306e\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u30a4\u30f3\u30dd\u30fc\u30c8\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
        Java\u3067\u306f\u3001\u53ef\u5909\u9577\u306e\u914d\u5217\u3092\u4f5c\u6210\u3059\u308b\u306e\u306bArrayList\u30af\u30e9\u30b9\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002\u4ee5\u4e0b\u306b\u3001\u53ef\u5909\u9577\u306e\u914d\u5217\u3092\u4f5c\u6210\u3059\u308b\u305f\u3081\u306e\u30b3\u30fc\u30c9\u306e\u4f8b\u3092\u793a\u3057\u307e\u3059\u3002 ArrayList\u30af\u30e9\u30b9\u306e`add()`\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3063\u3066\u8981\u7d20\u3092\u8ffd\u52a0\u3059\u308b\uff1a imp […]<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-112902","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\n\u52d5\u7684\u914d\u5217\u306e\u4f5c\u6210\u65b9\u6cd5\u306fJava - 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\/\u52d5\u7684\u914d\u5217\u306e\u4f5c\u6210\u65b9\u6cd5\u306fjava\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u52d5\u7684\u914d\u5217\u306e\u4f5c\u6210\u65b9\u6cd5\u306fJava\" \/>\n<meta property=\"og:description\" content=\"Java\u3067\u306f\u3001\u53ef\u5909\u9577\u306e\u914d\u5217\u3092\u4f5c\u6210\u3059\u308b\u306e\u306bArrayList\u30af\u30e9\u30b9\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002\u4ee5\u4e0b\u306b\u3001\u53ef\u5909\u9577\u306e\u914d\u5217\u3092\u4f5c\u6210\u3059\u308b\u305f\u3081\u306e\u30b3\u30fc\u30c9\u306e\u4f8b\u3092\u793a\u3057\u307e\u3059\u3002 ArrayList\u30af\u30e9\u30b9\u306e`add()`\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3063\u3066\u8981\u7d20\u3092\u8ffd\u52a0\u3059\u308b\uff1a imp […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/ja\/blog\/\u52d5\u7684\u914d\u5217\u306e\u4f5c\u6210\u65b9\u6cd5\u306fjava\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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