{"id":133553,"date":"2024-03-26T04:07:14","date_gmt":"2024-03-25T19:07:14","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/stringbuilder%e3%81%ae%e4%b8%bb%e3%81%aa%e3%83%a1%e3%82%bd%e3%83%83%e3%83%89%e3%81%af%ef%bc%9f\/"},"modified":"2024-03-26T16:49:04","modified_gmt":"2024-03-26T07:49:04","slug":"stringbuilder%e3%81%ae%e4%b8%bb%e3%81%aa%e3%83%a1%e3%82%bd%e3%83%83%e3%83%89%e3%81%af%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/stringbuilder%e3%81%ae%e4%b8%bb%e3%81%aa%e3%83%a1%e3%82%bd%e3%83%83%e3%83%89%e3%81%af%ef%bc%9f\/","title":{"rendered":"StringBuilder()\u306e\u4e3b\u306a\u30e1\u30bd\u30c3\u30c9\u306f\uff1f"},"content":{"rendered":"

Java\u3067\u306f\u3001StringBuilder\u30af\u30e9\u30b9\u306f\u6587\u5b57\u5217\u64cd\u4f5c\u306b\u4e00\u822c\u7684\u306b\u4f7f\u308f\u308c\u308b\u30e1\u30bd\u30c3\u30c9\u3092\u6570\u591a\u304f\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002\u4ee5\u4e0b\u306b\u3001\u3088\u304f\u4f7f\u308f\u308c\u308b\u30e1\u30bd\u30c3\u30c9\u3092\u3044\u304f\u3064\u304b\u793a\u3057\u307e\u3059\u3002<\/p>\n

    \n
  1. \u6307\u5b9a\u3057\u305f\u6587\u5b57\u5217\u3092\u3001\u3053\u306e\u6587\u5b57\u5217\u306e\u672b\u5c3e\u306b\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/li>\n
  2. int offset \u304b\u3089\u6307\u5b9a\u306e\u6587\u5b57\u5217\u3092\u633f\u5165\u3057\u307e\u3059\u3002<\/li>\n
  3. delete(int start, int end)\uff1a\u6307\u5b9a\u4f4d\u7f6e\u7bc4\u56f2\u306e\u6587\u5b57\u3092\u524a\u9664\u3059\u308b\u3002<\/li>\n
  4. `replace(int start, int end, String str)`: \u6307\u5b9a\u3055\u308c\u305f\u6587\u5b57\u5217\u7bc4\u56f2\u5185\u306e\u73fe\u5728\u306e\u6587\u5b57\u5217\u3092\u6307\u5b9a\u3055\u308c\u305f\u6587\u5b57\u5217\u306b\u7f6e\u304d\u63db\u3048\u307e\u3059\u3002<\/li>\n
  5. reverse()\uff1a\u73fe\u5728\u306e\u6587\u5b57\u5217\u3092\u9006\u8ee2\u3057\u307e\u3059\u3002<\/li>\n
  6. length()\uff1a\u73fe\u5728\u306e\u6587\u5b57\u5217\u306e\u9577\u3055\u3092\u8fd4\u3057\u307e\u3059\u3002<\/li>\n
  7. capacity()\uff1a\u73fe\u5728\u306e\u6587\u5b57\u5217\u306e\u5bb9\u91cf\u3092\u8fd4\u3057\u307e\u3059\u3002<\/li>\n
  8. \u6307\u5b9a\u4f4d\u7f6e\u306e\u6587\u5b57\u3092\u6307\u5b9a\u6587\u5b57\u306b\u7f6e\u304d\u63db\u3048\u308b\u3002<\/li>\n
  9. substring(int start) : \u6307\u5b9a\u3057\u305f\u4f4d\u7f6e\u304b\u3089\u672b\u5c3e\u307e\u3067\u306e\u90e8\u5206\u6587\u5b57\u5217\u3092\u8fd4\u3057\u307e\u3059\u3002<\/li>\n
  10. substring(\u958b\u59cb\u4f4d\u7f6e, \u7d42\u4e86\u4f4d\u7f6e)\uff1a\u73fe\u5728\u306e\u6587\u5b57\u5217\u306e\u6307\u5b9a\u3057\u305f\u4f4d\u7f6e\u7bc4\u56f2\u306e\u90e8\u5206\u6587\u5b57\u5217\u3092\u8fd4\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n

    \u3053\u308c\u3089\u306e\u30e1\u30bd\u30c3\u30c9\u306fStringBuilder\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304b\u3089\u547c\u3073\u51fa\u3057\u3066\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001<\/p>\n

    StringBuilder sb = new StringBuilder(\"Hello\");\r\nsb.append(\" World\");\r\nsb.insert(5, \",\");\r\nsb.delete(5, 6);\r\nString result = sb.toString(); \/\/ \u7ed3\u679c\u4e3a \"Hello,World\"\r\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
    Java\u3067\u306f\u3001StringBuilder\u30af\u30e9\u30b9\u306f\u6587\u5b57\u5217\u64cd\u4f5c\u306b\u4e00\u822c\u7684\u306b\u4f7f\u308f\u308c\u308b\u30e1\u30bd\u30c3\u30c9\u3092\u6570\u591a\u304f\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002\u4ee5\u4e0b\u306b\u3001\u3088\u304f\u4f7f\u308f\u308c\u308b\u30e1\u30bd\u30c3\u30c9\u3092\u3044\u304f\u3064\u304b\u793a\u3057\u307e\u3059\u3002 \u6307\u5b9a\u3057\u305f\u6587\u5b57\u5217\u3092\u3001\u3053\u306e\u6587\u5b57\u5217\u306e\u672b\u5c3e\u306b\u8ffd\u52a0\u3057\u307e\u3059\u3002 int of […]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-133553","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\nStringBuilder()\u306e\u4e3b\u306a\u30e1\u30bd\u30c3\u30c9\u306f\uff1f - 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\/stringbuilder\u306e\u4e3b\u306a\u30e1\u30bd\u30c3\u30c9\u306f\uff1f\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"StringBuilder()\u306e\u4e3b\u306a\u30e1\u30bd\u30c3\u30c9\u306f\uff1f\" \/>\n<meta property=\"og:description\" content=\"Java\u3067\u306f\u3001StringBuilder\u30af\u30e9\u30b9\u306f\u6587\u5b57\u5217\u64cd\u4f5c\u306b\u4e00\u822c\u7684\u306b\u4f7f\u308f\u308c\u308b\u30e1\u30bd\u30c3\u30c9\u3092\u6570\u591a\u304f\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002\u4ee5\u4e0b\u306b\u3001\u3088\u304f\u4f7f\u308f\u308c\u308b\u30e1\u30bd\u30c3\u30c9\u3092\u3044\u304f\u3064\u304b\u793a\u3057\u307e\u3059\u3002 \u6307\u5b9a\u3057\u305f\u6587\u5b57\u5217\u3092\u3001\u3053\u306e\u6587\u5b57\u5217\u306e\u672b\u5c3e\u306b\u8ffd\u52a0\u3057\u307e\u3059\u3002 int of […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/ja\/blog\/stringbuilder\u306e\u4e3b\u306a\u30e1\u30bd\u30c3\u30c9\u306f\uff1f\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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