{"id":126737,"date":"2024-03-24T23:35:21","date_gmt":"2024-03-24T14:35:21","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/java%e3%81%a7%e6%96%87%e5%ad%97%e5%88%97%e3%82%92%e4%bd%bf%e7%94%a8%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95\/"},"modified":"2024-03-27T09:55:38","modified_gmt":"2024-03-27T00:55:38","slug":"java%e3%81%a7%e6%96%87%e5%ad%97%e5%88%97%e3%82%92%e4%bd%bf%e7%94%a8%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/java%e3%81%a7%e6%96%87%e5%ad%97%e5%88%97%e3%82%92%e4%bd%bf%e7%94%a8%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95\/","title":{"rendered":"Java\u3067\u6587\u5b57\u5217\u3092\u4f7f\u7528\u3059\u308b\u65b9\u6cd5"},"content":{"rendered":"

Java\u3067\u306f\u3001\u6587\u5b57\u5217\uff08String\uff09\u306f\u6587\u5b57\u30c7\u30fc\u30bf\u3092\u8868\u3059\u305f\u3081\u306e\u30af\u30e9\u30b9\u3067\u3059\u3002\u6587\u5b57\u5217\u578b\u3092\u4f7f\u7528\u3057\u3066\u6587\u5b57\u3092\u683c\u7d0d\u3057\u64cd\u4f5c\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n

Java\u306e\u6587\u5b57\u5217\u3092\u7528\u3044\u305f\u4e00\u822c\u7684\u306a\u64cd\u4f5c\u3092\u4ee5\u4e0b\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n

    \n
  1. \u6587\u5b57\u5217\u5909\u6570\u3092\u5ba3\u8a00\u3059\u308b\u3002<\/li>\n<\/ol>\n
    String str;\r\n<\/code><\/pre>\n
      \n
    1. \u521d\u671f\u5316\u3059\u308b\u6587\u5b57\u5217\u5909\u6570:<\/li>\n<\/ol>\n
      String<\/span> str<\/span> =<\/span> \"Hello, World!\"<\/span>;\r\n<\/code><\/pre>\n
        \n
      1. \u6587\u5b57\u5217\u306e\u9023\u7d50\uff1a<\/li>\n<\/ol>\n
        String<\/span> str1<\/span> =<\/span> \"Hello\"<\/span>;\r\nString<\/span> str2<\/span> =<\/span> \"World\"<\/span>;\r\nString<\/span> result<\/span> =<\/span> str1 + \" \"<\/span> + str2; \/\/ \u7ed3\u679c\u4e3a \"Hello World\"<\/span>\r\n<\/code><\/pre>\n
          \n
        1. \u6587\u5b57\u5217\u306e\u9577\u3055\u3092\u53d6\u5f97\u3059\u308b\uff1a<\/li>\n<\/ol>\n
          String<\/span> str<\/span> =<\/span> \"Hello\"<\/span>;\r\nint<\/span> length<\/span> =<\/span> str.length(); \/\/ \u7ed3\u679c\u4e3a 5<\/span>\r\n<\/code><\/pre>\n
            \n
          1. \u6587\u5b57\u5217\u6bd4\u8f03<\/li>\n<\/ol>\n
            String<\/span> str1<\/span> =<\/span> \"Hello\"<\/span>;\r\nString<\/span> str2<\/span> =<\/span> \"hello\"<\/span>;\r\nboolean<\/span> isEqual<\/span> =<\/span> str1.equals(str2); \/\/ \u7ed3\u679c\u4e3a false<\/span>\r\nboolean<\/span> isIgnoreCaseEqual<\/span> =<\/span> str1.equalsIgnoreCase(str2); \/\/ \u7ed3\u679c\u4e3a true<\/span>\r\n<\/code><\/pre>\n
              \n
            1. \u90e8\u5206\u6587\u5b57\u5217\u306e\u62bd\u51fa<\/li>\n<\/ol>\n
              String<\/span> str<\/span> =<\/span> \"Hello, World!\"<\/span>;\r\nString<\/span> substring<\/span> =<\/span> str.substring(7<\/span>); \/\/ \u7ed3\u679c\u4e3a \"World!\"<\/span>\r\n<\/code><\/pre>\n
                \n
              1. \u6587\u5b57\u5217\u7f6e\u63db\uff1a<\/li>\n<\/ol>\n
                String<\/span> str<\/span> =<\/span> \"Hello, World!\"<\/span>;\r\nString<\/span> replacedString<\/span> =<\/span> str.replace(\"World\"<\/span>, \"Java\"<\/span>); \/\/ \u7ed3\u679c\u4e3a \"Hello, Java!\"<\/span>\r\n<\/code><\/pre>\n
                  \n
                1. \u6587\u5b57\u5217\u5206\u5272<\/li>\n<\/ol>\n
                  String<\/span> str<\/span> =<\/span> \"Hello, World!\"<\/span>;\r\nString[] words = str.split(\", \"<\/span>); \/\/ \u7ed3\u679c\u4e3a [\"Hello\", \"World!\"]<\/span>\r\n<\/code><\/pre>\n
                  \u6587\u5b57\u5217\u64cd\u4f5c\u306e\u4f8b\u306f\u307b\u3093\u306e\u4e00\u90e8\u3067\u3001\u4ed6\u306b\u3082\u69d8\u3005\u306a\u624b\u6cd5\u3084\u64cd\u4f5c\u3092\u5229\u7528\u3067\u304d\u307e\u3059\u3002\u3088\u308a\u8a73\u7d30\u306a\u60c5\u5831\u306f Java \u306e\u516c\u5f0f\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
                  Java\u3067\u306f\u3001\u6587\u5b57\u5217\uff08String\uff09\u306f\u6587\u5b57\u30c7\u30fc\u30bf\u3092\u8868\u3059\u305f\u3081\u306e\u30af\u30e9\u30b9\u3067\u3059\u3002\u6587\u5b57\u5217\u578b\u3092\u4f7f\u7528\u3057\u3066\u6587\u5b57\u3092\u683c\u7d0d\u3057\u64cd\u4f5c\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 Java\u306e\u6587\u5b57\u5217\u3092\u7528\u3044\u305f\u4e00\u822c\u7684\u306a\u64cd\u4f5c\u3092\u4ee5\u4e0b\u306b\u793a\u3057\u307e\u3059\u3002 \u6587\u5b57\u5217\u5909\u6570\u3092\u5ba3\u8a00\u3059\u308b\u3002 String […]<\/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-126737","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\nJava\u3067\u6587\u5b57\u5217\u3092\u4f7f\u7528\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\u3067\u6587\u5b57\u5217\u3092\u4f7f\u7528\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\u3067\u6587\u5b57\u5217\u3092\u4f7f\u7528\u3059\u308b\u65b9\u6cd5\" \/>\n<meta property=\"og:description\" content=\"Java\u3067\u306f\u3001\u6587\u5b57\u5217\uff08String\uff09\u306f\u6587\u5b57\u30c7\u30fc\u30bf\u3092\u8868\u3059\u305f\u3081\u306e\u30af\u30e9\u30b9\u3067\u3059\u3002\u6587\u5b57\u5217\u578b\u3092\u4f7f\u7528\u3057\u3066\u6587\u5b57\u3092\u683c\u7d0d\u3057\u64cd\u4f5c\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 Java\u306e\u6587\u5b57\u5217\u3092\u7528\u3044\u305f\u4e00\u822c\u7684\u306a\u64cd\u4f5c\u3092\u4ee5\u4e0b\u306b\u793a\u3057\u307e\u3059\u3002 \u6587\u5b57\u5217\u5909\u6570\u3092\u5ba3\u8a00\u3059\u308b\u3002 String […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/ja\/blog\/java\u3067\u6587\u5b57\u5217\u3092\u4f7f\u7528\u3059\u308b\u65b9\u6cd5\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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