{"id":106005,"date":"2024-03-22T10:36:09","date_gmt":"2024-03-22T01:36:09","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/java-%e9%85%8d%e5%88%97%e3%81%ab%e8%a6%81%e7%b4%a0%e3%82%92%e8%bf%bd%e5%8a%a0%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95\/"},"modified":"2024-04-05T11:04:14","modified_gmt":"2024-04-05T02:04:14","slug":"java-%e9%85%8d%e5%88%97%e3%81%ab%e8%a6%81%e7%b4%a0%e3%82%92%e8%bf%bd%e5%8a%a0%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/java-%e9%85%8d%e5%88%97%e3%81%ab%e8%a6%81%e7%b4%a0%e3%82%92%e8%bf%bd%e5%8a%a0%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95\/","title":{"rendered":"Java \u914d\u5217\u306b\u8981\u7d20\u3092\u8ffd\u52a0\u3059\u308b\u65b9\u6cd5"},"content":{"rendered":"

Java\u3067\u914d\u5217\u306e\u672b\u5c3e\u306b\u8981\u7d20\u3092\u8ffd\u52a0\u3059\u308b\u306b\u306f\u3001\u4ee5\u4e0b 2 \u3064\u306e\u65b9\u6cd5\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n

    \n
  1. Arrays.copyOf()\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3059\u308b<\/li>\n<\/ol>\n
    int<\/span>[] arr = {1<\/span>, 2<\/span>, 3<\/span>, 4<\/span>, 5<\/span>};\r\nint<\/span> newElement<\/span> =<\/span> 6<\/span>;\r\n\r\n\/\/ \u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u6570\u7ec4\uff0c\u957f\u5ea6\u6bd4\u539f\u6570\u7ec4\u59271<\/span>\r\nint<\/span>[] newArr = Arrays.copyOf(arr, arr.length + 1<\/span>);\r\n\/\/ \u5c06\u65b0\u5143\u7d20\u6dfb\u52a0\u5230\u65b0\u6570\u7ec4\u7684\u672b\u5c3e<\/span>\r\nnewArr[newArr.length - 1<\/span>] = newElement;\r\n\r\n\/\/ \u6253\u5370\u65b0\u6570\u7ec4<\/span>\r\nSystem.out.println(Arrays.toString(newArr));\r\n<\/code><\/pre>\n
      \n
    1. \u65b0\u3057\u304f\u914d\u5217\u3092\u30de\u30cb\u30e5\u30a2\u30eb\u3067\u4f5c\u6210\u3059\u308b<\/li>\n<\/ol>\n
      int<\/span>[] arr = {1<\/span>, 2<\/span>, 3<\/span>, 4<\/span>, 5<\/span>};\r\nint<\/span> newElement<\/span> =<\/span> 6<\/span>;\r\n\r\n\/\/ \u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u6570\u7ec4\uff0c\u957f\u5ea6\u6bd4\u539f\u6570\u7ec4\u59271<\/span>\r\nint<\/span>[] newArr = new<\/span> int<\/span>[arr.length + 1<\/span>];\r\n\/\/ \u5c06\u539f\u6570\u7ec4\u7684\u5143\u7d20\u590d\u5236\u5230\u65b0\u6570\u7ec4\u4e2d<\/span>\r\nfor<\/span> (int<\/span> i<\/span> =<\/span> 0<\/span>; i < arr.length; i++) {\r\n    newArr[i] = arr[i];\r\n}\r\n\/\/ \u5c06\u65b0\u5143\u7d20\u6dfb\u52a0\u5230\u65b0\u6570\u7ec4\u7684\u672b\u5c3e<\/span>\r\nnewArr[newArr.length - 1<\/span>] = newElement;\r\n\r\n\/\/ \u6253\u5370\u65b0\u6570\u7ec4<\/span>\r\nSystem.out.println(Arrays.toString(newArr));\r\n<\/code><\/pre>\n
      \u3044\u305a\u308c\u306e\u65b9\u6cd5\u3067\u3082\u3001\u65b0\u3057\u3044\u914d\u5217\u3092\u4f5c\u6210\u3057\u3001\u5143\u306e\u914d\u5217\u306e\u8981\u7d20\u3092\u65b0\u3057\u3044\u914d\u5217\u306b\u30b3\u30d4\u30fc\u3057\u3066\u304b\u3089\u3001\u65b0\u3057\u3044\u8981\u7d20\u3092\u65b0\u3057\u3044\u914d\u5217\u306e\u672b\u5c3e\u306b\u8ffd\u52a0\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u6700\u5f8c\u306b\u3001Arrays.toString() \u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u65b0\u3057\u3044\u914d\u5217\u3092\u51fa\u529b\u3067\u304d\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
      Java\u3067\u914d\u5217\u306e\u672b\u5c3e\u306b\u8981\u7d20\u3092\u8ffd\u52a0\u3059\u308b\u306b\u306f\u3001\u4ee5\u4e0b 2 \u3064\u306e\u65b9\u6cd5\u304c\u3042\u308a\u307e\u3059\u3002 Arrays.copyOf()\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3059\u308b int[] arr = {1, 2, 3, 4, 5}; int newElement = 6; […]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-106005","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\nJava \u914d\u5217\u306b\u8981\u7d20\u3092\u8ffd\u52a0\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-\u914d\u5217\u306b\u8981\u7d20\u3092\u8ffd\u52a0\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 \u914d\u5217\u306b\u8981\u7d20\u3092\u8ffd\u52a0\u3059\u308b\u65b9\u6cd5\" \/>\n<meta property=\"og:description\" content=\"Java\u3067\u914d\u5217\u306e\u672b\u5c3e\u306b\u8981\u7d20\u3092\u8ffd\u52a0\u3059\u308b\u306b\u306f\u3001\u4ee5\u4e0b 2 \u3064\u306e\u65b9\u6cd5\u304c\u3042\u308a\u307e\u3059\u3002 Arrays.copyOf()\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3059\u308b int[] arr = {1, 2, 3, 4, 5}; 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