{"id":125846,"date":"2024-03-24T20:25:32","date_gmt":"2024-03-24T11:25:32","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/java%e3%81%a7%e3%82%b3%e3%83%ac%e3%82%af%e3%82%b7%e3%83%a7%e3%83%b3%e3%82%92%e6%93%8d%e4%bd%9c%e3%81%99%e3%82%8b%e3%83%a1%e3%82%bd%e3%83%83%e3%83%89\/"},"modified":"2024-04-05T20:12:54","modified_gmt":"2024-04-05T11:12:54","slug":"java%e3%81%a7%e3%82%b3%e3%83%ac%e3%82%af%e3%82%b7%e3%83%a7%e3%83%b3%e3%82%92%e6%93%8d%e4%bd%9c%e3%81%99%e3%82%8b%e3%83%a1%e3%82%bd%e3%83%83%e3%83%89","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/java%e3%81%a7%e3%82%b3%e3%83%ac%e3%82%af%e3%82%b7%e3%83%a7%e3%83%b3%e3%82%92%e6%93%8d%e4%bd%9c%e3%81%99%e3%82%8b%e3%83%a1%e3%82%bd%e3%83%83%e3%83%89\/","title":{"rendered":"Java\u3067\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u3092\u64cd\u4f5c\u3059\u308b\u30e1\u30bd\u30c3\u30c9"},"content":{"rendered":"

Java\u3067\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u8981\u7d20\u3092\u53cd\u5fa9\u51e6\u7406\u3059\u308b\u65b9\u6cd5<\/p>\n

    \n
  1. foreach\u69cb\u6587\u3092\u4f7f\u7528\u3057\u3066\uff1aforeach\u69cb\u6587\u306f\u3001\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u3084\u914d\u5217\u3092\u53cd\u5fa9\u51e6\u7406\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ol>\n
    List<String> list = new<\/span> ArrayList<\/span><>();\r\nfor<\/span> (String item : list) {\r\nSystem.out.println(item);\r\n}\r\n<\/code><\/pre>\n
      \n
    1. \u30a4\u30c6\u30ec\u30fc\u30bf\u3092\u4f7f\u7528\u3059\u308b\uff1a\u30a4\u30c6\u30ec\u30fc\u30bf\u306f\u3001\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u30a4\u30f3\u30bf\u30d5\u30a7\u30fc\u30b9\u5185\u3067\u4f7f\u7528\u3055\u308c\u3001\u30a4\u30c6\u30ec\u30fc\u30bf\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306fiterator()\u30e1\u30bd\u30c3\u30c9\u3067\u53d6\u5f97\u3067\u304d\u307e\u3059\u3002\u3053\u306e\u5f8c\u3001while\u30eb\u30fc\u30d7\u3067\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u3092\u53cd\u5fa9\u51e6\u7406\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ol>\n
      List<String> list = new<\/span> ArrayList<\/span><>();\r\nIterator<String> iterator = list.iterator();\r\nwhile<\/span> (iterator.hasNext()) {\r\nString<\/span> item<\/span> =<\/span> iterator.next();\r\nSystem.out.println(item);\r\n}\r\n<\/code><\/pre>\n
        \n
      1. for \u30eb\u30fc\u30d7\u3068\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u4f7f\u7528\uff1aList \u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u306b\u9069\u7528\u3055\u308c\u3001for \u30eb\u30fc\u30d7\u3068\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u4f7f\u7528\u3057\u3066\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u3092\u53cd\u5fa9\u51e6\u7406\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n
        List<String> list = new<\/span> ArrayList<\/span><>();\r\nfor<\/span> (int<\/span> i<\/span> =<\/span> 0<\/span>; i < list.size(); i++) {\r\nString<\/span> item<\/span> =<\/span> list.get(i);\r\nSystem.out.println(item);\r\n}\r\n<\/code><\/pre>\n
          \n
        1. Java 8\u4ee5\u964d\u3067\u306f\u3001\u96c6\u5408\u3092\u64cd\u4f5c\u3059\u308b\u306b\u306f\u3001\u30e9\u30e0\u30c0\u5f0f\u3068Stream API\u3092\u4f7f\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ol>\n
          List<String> list = new<\/span> ArrayList<\/span><>();\r\nlist.stream().forEach(item -> System.out.println(item));\r\n<\/code><\/pre>\n
          \u3053\u308c\u3089\u306e\u624b\u6cd5\u306f\u3044\u305a\u308c\u3082\u96c6\u5408\u3092\u8d70\u67fb\u3059\u308b\u624b\u6cd5\u3068\u3057\u3066\u5229\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u306e\u3067\u3001\u72b6\u6cc1\u306b\u5fdc\u3058\u3066\u9069\u3057\u305f\u624b\u6cd5\u3092\u9078\u629e\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
          Java\u3067\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u8981\u7d20\u3092\u53cd\u5fa9\u51e6\u7406\u3059\u308b\u65b9\u6cd5 foreach\u69cb\u6587\u3092\u4f7f\u7528\u3057\u3066\uff1aforeach\u69cb\u6587\u306f\u3001\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u3084\u914d\u5217\u3092\u53cd\u5fa9\u51e6\u7406\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002 List<String> list = new Arra […]<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-125846","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\nJava\u3067\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u3092\u64cd\u4f5c\u3059\u308b\u30e1\u30bd\u30c3\u30c9 - 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\u3067\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u3092\u64cd\u4f5c\u3059\u308b\u30e1\u30bd\u30c3\u30c9\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Java\u3067\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u3092\u64cd\u4f5c\u3059\u308b\u30e1\u30bd\u30c3\u30c9\" \/>\n<meta property=\"og:description\" content=\"Java\u3067\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u8981\u7d20\u3092\u53cd\u5fa9\u51e6\u7406\u3059\u308b\u65b9\u6cd5 foreach\u69cb\u6587\u3092\u4f7f\u7528\u3057\u3066\uff1aforeach\u69cb\u6587\u306f\u3001\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u3084\u914d\u5217\u3092\u53cd\u5fa9\u51e6\u7406\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002 List<String> list = new Arra […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/ja\/blog\/java\u3067\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u3092\u64cd\u4f5c\u3059\u308b\u30e1\u30bd\u30c3\u30c9\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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