{"id":15841,"date":"2016-04-01T09:58:02","date_gmt":"2016-04-01T00:58:02","guid":{"rendered":"http:\/\/www.ricka.co.jp\/?p=15841"},"modified":"2016-04-01T09:58:02","modified_gmt":"2016-04-01T00:58:02","slug":"recommendation-overload","status":"publish","type":"post","link":"https:\/\/ricka.co.jp\/?p=15841","title":{"rendered":"C++\/C#\/Java \u30aa\u30fc\u30d0\u30fc\u30ed\u30fc\u30c9\u3092\u4f7f\u3046\u3079\u304d3\u3064\u306e\u30dd\u30a4\u30f3\u30c8"},"content":{"rendered":"

\"overload_2-1\"<\/p>\n

\u306f\u3058\u3081\u306b<\/h3>\n

\u4eca\u56de\u306f\u3001\u30aa\u30fc\u30d0\u30fc\u30ed\u30fc\u30c9\u3092\u4f7f\u3063\u305f\u30ef\u30f3\u30e9\u30f3\u30af\u4e0a\u306e\u8a2d\u8a08\u30fb\u5b9f\u88c5\u65b9\u6cd5\u3092\u8aac\u660e\u3057\u307e\u3059\u3002
\n\u4f7f\u3044\u3069\u3053\u308d\u3068\u3057\u30663\u3064\u306e\u30dd\u30a4\u30f3\u30c8\u304c\u3042\u308a\u3001
\n\u30fb\u30b3\u30fc\u30c9\u306e\u8996\u8a8d\u6027\u5411\u4e0a
\n\u30fb\u30af\u30e9\u30b9\u306e\u518d\u5229\u7528\u6027
\n\u30fb\u65e2\u5b58\u30b3\u30fc\u30c9\u3078\u306e\u5f71\u97ff\u4f4e\u6e1b
\n\u3092\u610f\u8b58\u3059\u308b\u6642\u306b\u4f7f\u3044\u307e\u3059\u3002
\n\u4eca\u56de\u3082C#\u3067\u66f8\u304d\u307e\u3059\u304c\u3001C++, Java\u306a\u3069\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u8a00\u8a9e\u3067\u3082\u540c\u3058\u3067\u3059\u3002<\/p>\n

\u3084\u3055\u3057\u3055\u306e\u305f\u3081\u306e\u30aa\u30fc\u30d0\u30fc\u30ed\u30fc\u30c9<\/h2>\n

\u30aa\u30fc\u30d0\u30fc\u30ed\u30fc\u30c9\u306f\u30e9\u30a4\u30d6\u30e9\u30ea\u3084\u5171\u901a\u30af\u30e9\u30b9\u3001\u30e6\u30fc\u30c6\u30a3\u30ea\u30c6\u30a3\u30fc\u3092\u4f5c\u308b\u4eba\u304c\u6c17\u3092\u5229\u304b\u305b\u3066\u5b9f\u88c5\u3059\u308b\u3082\u306e\u3060\u3068\u8003\u3048\u3066\u3044\u307e\u3059\u3002<\/p>\n

\u4f8b\u3048\u3070.NET\u306e\u30af\u30e9\u30b9\u30e9\u30a4\u30d6\u30e9\u30ea\u306b\u3042\u308bSystem.IO.StreamReader\u306f\u30d5\u30a1\u30a4\u30eb\u3092\u8aad\u307f\u8fbc\u3080\u3068\u304d\u306b\u4f7f\u3044\u307e\u3059\u3002
\n\u3053\u3044\u3064\u306e\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u306f11\u500b\u7528\u610f\u3055\u308c\u3066\u3044\u3066\u3001
\n\u30d5\u30a1\u30a4\u30eb\u30d1\u30b9\u3068Stream\u306e\u4e21\u65b9\u304b\u3089\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u751f\u6210\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u3001
\n\u30a8\u30f3\u30b3\u30fc\u30c9\u3001BOM\u306e\u6709\u7121\u3001\u30d0\u30c3\u30d5\u30a1\u30fc\u30b5\u30a4\u30ba\u3001\u30b9\u30c8\u30ea\u30fc\u30e0\u3092\u958b\u3044\u305f\u307e\u307e\u306b\u3059\u308b\u304b\u306e\u6307\u5b9a\u306f\u30aa\u30d7\u30b7\u30e7\u30f3\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002
\n\u8a73\u3057\u304f\u306f\u3053\u306e\u8fba\u3067
\nhttps:\/\/msdn.microsoft.com\/ja-jp\/library\/system.io.streamreader(v=vs.110).aspx?cs-save-lang=1&cs-lang=csharp#code-snippet-1<\/p>\n

\u3064\u307e\u308a.NET\u306e\u30af\u30e9\u30b9\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u69d8\u306b\u4e0d\u7279\u5b9a\u591a\u6570\u306e\u4eba\u304c\u5229\u7528\u3059\u308b\u3088\u3046\u306a\u30af\u30e9\u30b9\u306f\u3001
\n\u30aa\u30fc\u30d0\u30fc\u30ed\u30fc\u30c9\u3092\u5b9a\u7fa9\u3057\u3066\u4f7f\u3046\u4eba\u3078\u306e\u914d\u616e\u3092\u884c\u3044\u307e\u3059\u3002
\n\u5c0f\u898f\u6a21\u3067\u3082\u8907\u6570\u306e\u4eba\u304c\u304b\u304b\u308f\u308b\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u306f\u5171\u901a\u30af\u30e9\u30b9\u3092\u4f5c\u308b\u969b\u3082\u3001
\n\u30aa\u30fc\u30d0\u30fc\u30ed\u30fc\u30c9\u3092\u5b9a\u7fa9\u3059\u308b\u3068\u3001\u300c\u3053\u308c\u3092\u4f5c\u3063\u305f\u3084\u3064\u306f\u3084\u3055\u3057\u3044\u306a\u30fc\u300d\u3068\u601d\u308f\u308c\u308b\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n

\u3084\u3055\u3057\u304f\u306a\u3044Utility\u306e\u4f8b<\/h3>\n

\u30c7\u30fc\u30bf\u30fc\u30d9\u30fc\u30b9(\u914d\u5217)\u304b\u3089\u6210\u7e3e\u3092\u53d6\u3063\u3066\u304d\u3066\u3001
\n\u30d5\u30a1\u30a4\u30eb\u306b\u66f8\u304d\u8fbc\u3080\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u4f8b\u3092\u66f8\u3044\u3066\u307f\u307e\u3057\u305f\u3002
\n\u3053\u308c\u306f\u512a\u3057\u304f\u306a\u3044\u65b9\u3067\u3059\u3002<\/p>\n

class Program\n{\n    static void Main()\n    {\n        int[] Scores = { 80, 70, 90, 60, 100 };\n\n        foreach (int one in Scores)\n        {\n            FileUtility.Write(one.ToString());\n        }\n    }\n}\nstatic class FileUtility\n{\n    static public void Write(string score)\n    {\n        using (System.IO.StreamWriter sw = new System.IO.StreamWriter(@\"E:\\temp\\2015_3q_test.txt\", true))\n        {\n            sw.WriteLine(score);\n        }\n    }\n}\n<\/code><\/pre>\n
\u308f\u3056\u308f\u3056\u3001\u30eb\u30fc\u30d7\u3055\u305b\u3066\u3001ToString()\u3067\u6587\u5b57\u306e\u5909\u63db\u307e\u3067\u3055\u305b\u3066\u3044\u307e\u3059\u306d…<\/p>\n
\u3084\u3055\u3057\u3044Utility\u306e\u4f8b<\/h3>\n
\u3084\u3055\u3057\u304f\u306a\u3044Utility\u3092\u3084\u3055\u3057\u304f\u66f8\u304d\u63db\u3048\u3066\u307f\u307e\u3057\u305f\u3002<\/p>\n
class Program\n{\n    static void Main()\n    {\n        int[] Scores = { 80, 70, 90, 60, 100 };\n        FileUtility.Write(Scores);\n    }\n}\nstatic class FileUtility\n{\n    static public void Write(int score)\n    {\n        FileUtility.Write(new int[] { score });\n    }\n    static public void Write(int[] scores) {\n        string[] temp = new string[scores.Count()];\n        for(int count = 0; count < scores.Count(); count++)\n        {\n            temp[count] = scores[count].ToString();\n        }\n        FileUtility.Write(temp);\n    }\n    static public void Write(string[] scores) \n    {\n        foreach (string one in scores)\n        {\n            FileUtility.Write(one);\n        }\n    }\n    static public void Write(string score)\n    {\n        using (System.IO.StreamWriter sw = new System.IO.StreamWriter(@\"E:\\temp\\2015_3q_test.txt\", true))\n        {\n            sw.WriteLine(score);\n        }\n    }\n}\n<\/code><\/pre>\n
\u306a\u3093\u3068\u5229\u7528\u8005\u306e\u30b3\u30fc\u30c9\u306f1\u884c…\u3057\u304b\u3082\u30b7\u30f3\u30d7\u30eb…
\n\u3060\u3051\u3069\u3001FileUtility\u306e\u4e2d\u306f\u6ce5\u81ed\u3044\u3067\u3059\u306d\u3002
\n\u3057\u304b\u3057\u3001\u5909\u63db\u51e6\u7406\u3092FileUtility\u3067\u5438\u53ce\u3057\u5229\u7528\u8005\u3078\u306e\u914d\u616e\u304c\u611f\u3058\u3089\u308c\u307e\u3059\u3002<\/p>\n
\u30dd\u30a4\u30f3\u30c8<\/h3>\n
    \n
  1. \u30aa\u30fc\u30d0\u30fc\u30ed\u30fc\u30c9\u3067\u5fc5\u8981\u306a\u6a5f\u80fd(\u4eca\u56de\u306f\u30d5\u30a1\u30a4\u30eb\u306e\u51fa\u529b)\u306f\u6975\u529b\u4e00\u304b\u6240\u3067\u884c\u3046\u3002
    \n->void Write(string score)<\/li>\n
  2. 1\u4ee5\u5916\u306e\u30aa\u30fc\u30d0\u30fc\u30ed\u30fc\u30c9\u306f\u30c7\u30fc\u30bf\u306e\u5909\u63db\u306b\u5fb9\u3059\u308b\u3002<\/li>\n
  3. 2\u306f\u6700\u7d42\u7684\u306b1\u3092\u5229\u7528\u3059\u308b\u3002
    \nint -> int[] -> string[] -> string -> \u30d5\u30a1\u30a4\u30eb\u3078<\/li>\n<\/ol>\n
    \u3053\u3046\u3059\u308b\u3053\u3068\u3067\u3001\u8907\u96d1\u306a\u30d5\u30a1\u30a4\u30eb\u51e6\u7406\u3092\u3042\u3061\u3053\u3061\u306b\u3070\u3089\u307e\u304f\u3053\u3068\u3082\u306a\u304f\u306a\u308a\u307e\u3059\u3002
    \n\u5358\u4f53\u8a66\u9a13\u3082\u666e\u901a\u306b\u4e00\u500b\u305a\u3064\u30aa\u30fc\u30d0\u30fc\u30ed\u30fc\u30c9\u3092\u66f8\u3044\u3066\u884c\u304f\u3088\u308a\u304b\u306f\u697d\u306b\u306a\u308b\u306f\u305a\u3067\u3059\u3002<\/p>\n
    \u307e\u3068\u3081<\/h3>\n
    \u4e0a\u306e\u30b3\u30fc\u30c9\u306f<\/p>\n
      \n
    • \u30b3\u30fc\u30c9\u306e\u8996\u8a8d\u6027\u5411\u4e0a<\/li>\n
    • \u30af\u30e9\u30b9\u306e\u518d\u5229\u7528\u6027<\/li>\n<\/ul>\n
      \u304c\u4e0a\u304c\u3063\u3066\u3044\u307e\u3059\u3002
      \n\u5229\u7528\u8005\u5074\u306e\u30b3\u30fc\u30c9\u304c\u3059\u3063\u304d\u308a\u3057\u305f\u3057\u3001
      \nFileUtility\u30af\u30e9\u30b9\u306f\u30c6\u30b9\u30c8\u7d50\u679c\u4ee5\u5916\u3082\u51fa\u529b\u3067\u304d\u305d\u3046\u3067\u3059\u304b\u3089\u3001
      \n\u30af\u30e9\u30b9\u306e\u518d\u5229\u7528\u6027\u3082\u78ba\u8a8d\u3067\u304d\u307e\u3057\u305f\u3002<\/p>\n
      \u529b\u5f37\u3044\u30aa\u30fc\u30d0\u30fc\u30ed\u30fc\u30c9<\/h2>\n
      \u30aa\u30fc\u30d0\u30fc\u30ed\u30fc\u30c9\u306e\u4f7f\u3044\u3069\u3053\u308d\u306f\u3082\u3046\u4e00\u500b\u3042\u3063\u3066\u3001
      \n\u3059\u3067\u306b\u3042\u308b\u6a5f\u80fd\u3068\u4f3c\u305f\u3088\u3046\u306a\u51e6\u7406\u304c\u5fc5\u8981\u306b\u306a\u3063\u305f\u6642\u3001
      \n\u65e2\u5b58\u30b3\u30fc\u30c9\u3092\u5229\u7528\u3057\u3066\u5f71\u97ff\u3092\u6975\u529b\u4e0e\u3048\u305a\u5b9f\u88c5\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002
      \n\u3053\u308c\u306f\u305f\u3076\u3093\u5c0f\u6280\u307f\u305f\u3044\u306a\u3082\u306e\u3060\u3068\u601d\u3044\u307e\u3059\u304c\u3001\u5f37\u529b\u3067\u3059\u3002<\/p>\n
      \u4f8b\u3048\u3070<\/h3>\n
      \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9(\u914d\u5217)\u304b\u3089\u53d6\u5f97\u3057\u305f\u6587\u5b57\u5217\u3092\u6574\u6570\u306b\u5909\u63db\u3057\u3001
      \n0\u304b\u3089100\u306e\u7bc4\u56f2\u3060\u3063\u305f\u3068\u304d\u6574\u6570\u3092\u8868\u793a\u3001\u7bc4\u56f2\u5916\u306a\u3089\u8868\u793a\u3057\u306a\u3044\u3002
      \n\u3068\u8a00\u3046\u3088\u3046\u306a\u3053\u3068\u3092\u884c\u3046\u30d7\u30ed\u30b0\u30e9\u30e0\u304c\u3042\u3063\u305f\u3068\u3057\u307e\u3059\u3002<\/p>\n
      class Program\n{\n    static void Main()\n    {\n        string[] Scores = { \"80\", \"70\", \"90\", \"-1\", \"100\" };\n        foreach (string one in Scores)\n        {\n            Display.Show(one);\n        }\n    }\n}\nstatic class Display\n{\n    static public bool Show(string str)\n    {\n        int score;\n        if (!int.TryParse(str, out score))\n        {\n            return false;\n        }\n\n        if (!(0 <= score && score <= 100))\n        {\n            return false;\n        }\n\n        System.Console.WriteLine(score);\n        return true;\n    }\n}\n<\/code><\/pre>\n
      Show(string str)\u306e\u69d8\u306b\u65e2\u5b58\u306e\u30b3\u30fc\u30c9\u306b\u3001”\u3059\u3067\u306b\u3042\u308b\u6a5f\u80fd\u3068\u4f3c\u305f\u3088\u3046\u306a\u51e6\u7406”\u3068\u3057\u3066\u3001
      \n\u30c7\u30fc\u30bf\u304c0\u304b\u3089100\u3067\u3042\u308b\u304b\u3092\u4e8b\u524d\u306b\u30c1\u30a7\u30c3\u30af\u3057\u305f\u3044\u3002
      \n\u7bc4\u56f2\u5916\u306e\u5024\u304c\u3042\u3063\u305f\u3089\u3001\u30a8\u30e9\u30fc\u3092\u51fa\u529b\u3057\u3066\u30c7\u30fc\u30bf\u306e\u51fa\u529b\u306f\u3057\u306a\u304f\u3066\u3088\u3044\u3002
      \n\u3068\u8a00\u3046\u8ffd\u52a0\u306e\u8981\u671b\u304c\u3042\u3063\u305f\u5834\u5408\u3001<\/p>\n
      static public bool Check(string str)\n{\n    int score;\n    if (!int.TryParse(str, out score))\n    {\n        return false;\n    }\n\n    if (!(0 <= score && score <= 100))\n    {\n        return false;\n    }\n\n\u00a0\u00a0\u00a0 \/\/ System.Console.WriteLine(score); <- \u3053\u3053\u3060\u3051\u6d88\u3057\u3061\u3083\u3046\u307f\u305f\u3044\u306a\n\u00a0\u00a0\u00a0 return true;\n}\n<\/code><\/pre>\n
      \u3068\u8a00\u3046\u611f\u3058\u3067\u30b3\u30d4\u30da\u3057\u3066\u30e1\u30bd\u30c3\u30c9\u3092\u8ffd\u52a0\u3057\u307e\u3059\u304b\uff1f
      \n\u30aa\u30fc\u30d0\u30fc\u30ed\u30fc\u30c9\u3092\u4f7f\u3046\u3068\u30b9\u30de\u30fc\u30c8\u306b\u5b9f\u88c5\u3067\u304d\u307e\u3059\u3002<\/p>\n
      class Program\n{\n    static void Main()\n    {\n        string[] Scores = { \"80\", \"70\", \"90\", \"-1\", \"100\" };\n        bool IsOK = true;\n        foreach (string one in Scores)\n        {\n            IsOK &= Display.Check(one);\n        }\n\n        if (!IsOK)\n        {\n            System.Console.WriteLine(\"\u30c7\u30fc\u30bf\u304c\u4e0d\u6b63\u3067\u3059\u3002\");\n            return;\n        }\n\n        foreach (string one in Scores)\n        {\n            Display.Show(one);\n        }\n    }\n}\nstatic class Display\n{\n    static public bool Check(string str)\n    {\n        return Show(str, true);\n    }\n    static public bool Show(string str)\n    {\n        return Show(str, false);\n    }\n\n    static public bool Show(string str, bool CheckOnly)\n    {\n        int score;\n        if (!int.TryParse(str, out score))\n        {\n            return false;\n        }\n\n        if (!(0 <= score && score <= 100))\n        {\n            return false;\n        }\n\n        if (!CheckOnly)\n        {\n            System.Console.WriteLine(score);\n        }\n        return true;\n    }\n}\n<\/code><\/pre>\n
      \"overload_2-2\"<\/p>\n
      \u30dd\u30a4\u30f3\u30c8<\/h3>\n
        \n
      1. \u65e2\u5b58\u306e\u30e1\u30bd\u30c3\u30c9\u306b\u5f15\u6570\u3092\u8ffd\u52a0\u3059\u308b\u3002\u30c1\u30a7\u30c3\u30af\u3060\u3051\u306a\u3089true, \u8868\u793a\u3082\u3059\u308b\u306a\u3089false\u3002<\/li>\n
      2. \u65e2\u5b58\u306e\u30e1\u30bd\u30c3\u30c9\u3068\u540c\u3058\u5f15\u6570\u306e\u30aa\u30fc\u30d0\u30fc\u30ed\u30fc\u30c9\u3092\u4f5c\u6210\u3059\u308b<\/li>\n
      3. Check\u7528\u306e\u30e1\u30bd\u30c3\u30c9\u3092\u4f5c\u6210\u3059\u308b<\/li>\n
      4. 2,3\u306f1\u3092\u547c\u3073\u3001true, false\u3092\u5909\u66f4\u3059\u308b<\/li>\n<\/ol>\n
        \u65e2\u5b58\u306eShow\u30e1\u30bd\u30c3\u30c9\u306f\u307b\u3068\u3093\u3069\u5909\u66f4\u305b\u305a\u306b\u6e08\u307f\u307e\u3057\u305f\u3002
        \n\u5358\u4f53\u8a66\u9a13\u3082\u7c21\u5358\u306b\u901a\u305b\u308b\u3067\u3057\u3087\u3046\u3002
        \n\u307e\u305f\u3001\u4ed5\u69d8\u5909\u66f4\u3067int \u304b\u3089 double\u306b\u3057\u3066\uff01
        \n\u3068\u8a00\u308f\u308c\u3066\u30821\u30e1\u30bd\u30c3\u30c9\u4fee\u6b63\u3059\u308c\u3070\u6e08\u307f\u307e\u3059\u3002<\/p>\n
        \u307e\u3068\u3081<\/h3>\n
        C++\u3068C#\u306b\u306f\u30c7\u30d5\u30a9\u30eb\u30c8\u5f15\u6570\u304c\u4f7f\u3048\u308b\u5834\u5408\u304c\u3042\u308b\u306e\u3067\u3001
        \n\u30c7\u30d5\u30a9\u30eb\u30c8\u5f15\u6570\u3067\u4ee3\u7528\u3059\u308c\u3070\u3001\u308f\u3056\u308f\u3056Show(string str)\u3068Check(string str)\u3092\u4f5c\u3089\u306a\u304f\u3066\u3082\u3044\u3044\u3067\u3059\u3002
        \n\u3057\u304b\u3057\u3001\u30e1\u30bd\u30c3\u30c9\u540d\u3067\u6a5f\u80fd\u3092\u63a8\u6e2c\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u305f\u3081\u306b\u306f\u3001Check\u3092\u7528\u610f\u3057\u305f\u65b9\u304c\u3044\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n
        \u30aa\u30fc\u30d0\u30fc\u30ed\u30fc\u30c9\u306e\u529b\u5f37\u3055\u3092\u611f\u3058\u3066\u3044\u305f\u3060\u3051\u307e\u3057\u305f\u304b\uff1f<\/p>\n
        \"overload_2-3\"<\/p>\n
        \u7dcf\u307e\u3068\u3081<\/h2>\n
        \u4eca\u56de\u306f\u3001\u65b0\u4eba\u306e\u5b50\u306b\u300c\u30aa\u30fc\u30d0\u30fc\u30ed\u30fc\u30c9\u306f\u306a\u3093\u306e\u305f\u3081\u306b\u3042\u308b\u304b\u8003\u3048\u3066\u307f\u3066\u300d\u3068\u8ab2\u984c\u3092\u51fa\u3057\u307e\u3057\u305f\u304c\u3001
        \n\u8272\u3005\u63a2\u3057\u305f\u3051\u3069\u3001\u4f7f\u3044\u3069\u3053\u308d\u307f\u305f\u3044\u306e\u3063\u3066\u3042\u307e\u308a\u8aac\u660e\u3055\u308c\u3066\u306a\u3044\u3093\u3067\u3059\u3088\u306d…
        \n\u306a\u306e\u3067\u3061\u3083\u3093\u3068\u81ea\u5206\u3082\u7b54\u3048\u3092\u793a\u305b\u308b\u3088\u3046\u306b\u30d6\u30ed\u30b0\u306b\u307e\u3068\u3081\u307e\u3057\u305f\u3002<\/p>\n
        \u30aa\u30fc\u30d0\u30fc\u30ed\u30fc\u30c9\u306f\u4f7f\u3044\u65b9\u3092\u9593\u9055\u3048\u308b\u3068\u610f\u5473\u306e\u5206\u304b\u3089\u306a\u3044\u30b3\u30fc\u30c9\u3092\u751f\u307f\u51fa\u3057\u307e\u3059\u304c\u3001
        \n\u4f7f\u3044\u65b9\u306b\u3088\u3063\u3066\u306f\u3001\u30ef\u30f3\u30e9\u30f3\u30af\u4e0a\u306e\u8a2d\u8a08\u30fb\u5b9f\u88c5\u304c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002
        \n\u3044\u3044\u30dd\u30a4\u30f3\u30c8\u3092\u898b\u3064\u3051\u3066\u5b9f\u88c5\u3057\u3066\u307f\u307e\u3057\u3087\u3046\uff01\uff01    \t<\/p>\n