{"id":2281,"date":"2018-05-04T19:27:20","date_gmt":"2018-05-04T10:27:20","guid":{"rendered":"http:\/\/www.code-magagine.com\/?p=2281"},"modified":"2023-05-27T20:38:04","modified_gmt":"2023-05-27T11:38:04","slug":"%e3%80%90java%e3%80%91%e3%82%aa%e3%83%96%e3%82%b8%e3%82%a7%e3%82%af%e3%83%88%e6%8c%87%e5%90%91%ef%bc%9a%e5%a4%9a%e6%a7%98%e6%80%a7%e3%81%ab%e3%81%a4%e3%81%84%e3%81%a6","status":"publish","type":"post","link":"http:\/\/www.code-magagine.com\/?p=2281","title":{"rendered":"\u3010\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u3011\u591a\u69d8\u6027\uff08\u30dd\u30ea\u30e2\u30fc\u30d5\u30a3\u30ba\u30e0\uff09\u306e\u30e1\u30ea\u30c3\u30c8"},"content":{"rendered":"

\u591a\u69d8\u6027\u3068\u306f\uff1f<\/h2>\n

\u91cd\u8907\u30b3\u30fc\u30c9\u3092\u6392\u9664\u3059\u308b\u305f\u3081\u306e\u4ed5\u7d44\u307f\u306e\u4e00\u3064\u3067\u3059\u3002<\/span><\/p>\n

\u30e1\u30ea\u30c3\u30c8<\/h2>\n

\u69cb\u9020\u5316\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u6642\u4ee3\u98a8\u306b\u8a00\u3048\u3070\u3001\u300c\u5171\u901a\u30e1\u30a4\u30f3\u30eb\u30fc\u30c1\u30f3\u300d<\/strong><\/span>\u3092\u4f5c\u308b\u305f\u3081\u306e\u4ed5\u7d44\u307f\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n

\u5171\u901a\u30b5\u30d6\u30eb\u30fc\u30c1\u30f3\u3067\u3042\u308c\u3070\u3001\u547c\u3073\u51fa\u3059\u5074\u304c\u5909\u66f4\u306b\u306a\u3063\u3066\u3082\u547c\u3073\u51fa\u3055\u308c\u308b\u5074\u3092\u4fee\u6b63\u3059\u308b\u5fc5\u8981\u306f\u306a\u3044\u3067\u3059\u304c\u3001\u5171\u901a\u30e1\u30a4\u30f3\u30eb\u30fc\u30c1\u30f3\u3067\u3042\u308c\u3070\u3001\u547c\u3073\u51fa\u3055\u308c\u308b\u5074\u304c\u5909\u66f4\u306b\u306a\u3063\u3066\u3082\u3001\u547c\u3073\u51fa\u3059\u5074\u3092\u5909\u66f4\u3059\u308b\u5fc5\u8981\u304c\u306a\u304f\u306a\u308b\u3068\u3044\u3046\u610f\u5473\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n

\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3084\u3001\u30af\u30e9\u30b9\u30e9\u30a4\u30d6\u30e9\u30ea\u306a\u3069\u306e\u5927\u898f\u6a21\u306a\u518d\u5229\u7528\u90e8\u54c1\u3082\u30dd\u30ea\u30e2\u30fc\u30d5\u30a3\u30ba\u30e0\u304c\u3042\u3063\u305f\u304b\u3089\u5c0e\u5165\u53ef\u80fd\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n

\u4f8b<\/h2>\n

\u547c\u3073\u51fa\u3055\u308c\u308b\u5074<\/h3>\n

\u7d99\u627f\u5143\u30af\u30e9\u30b9<\/h4>\n
class FileReader {\r\n  public void open () {};\r\n\r\n  public void close () {};\r\n}<\/pre>\n
\u7d99\u627f\u5148\u30af\u30e9\u30b91<\/h4>\n
class TextFileReader extend FileReader {\r\n  public void open () { \u5177\u4f53\u7684\u306a\u5b9f\u88c5};\r\n\r\n  public void close () {\u5177\u4f53\u7684\u306a\u5b9f\u88c5};\r\n}\r\n\r\n<\/pre>\n
\u7d99\u627f\u5148\u30af\u30e9\u30b92<\/h4>\n
class JsonFileReader extend FileReader {\r\n  public void open () { \u5177\u4f53\u7684\u306a\u5b9f\u88c5};\r\n\r\n  public void close () {\u5177\u4f53\u7684\u306a\u5b9f\u88c5};\r\n}<\/pre>\n
\u547c\u3073\u51fa\u3059\u5074<\/h3>\n
\u5f15\u6570\u306b\u89aa\u30af\u30e9\u30b9\u3092\u6307\u5b9a\u3059\u308c\u3070\u3001\u547c\u3073\u51fa\u3057\u5143\u306e\u30e1\u30bd\u30c3\u30c9\u306f\u5909\u3048\u308b\u5fc5\u8981\u304c\u306a\u304f\u306a\u308b\u3002\uff08\u5171\u901a\u5316\u3055\u308c\u308b\u3002\uff09<\/p>\n
public void getFile (FileReader reader) {\r\n  \u51e6\u7406\r\n}<\/pre>\n
\u3053\u306e\u4f8b\u3067\u306f\u300cFileReader\u300d\u3092\u7d99\u627f\u3057\u305f\u300cTextFileReader\u300d\u3001\u300cJsonFileReader\u300d\u3068\u3044\u3046\u30af\u30e9\u30b9\u3092\u4f5c\u3063\u3066\u3044\u307e\u3059\u304c\u3001\u4eee\u306b\u4eca\u5f8c\u300cCsvFileReader\u300d\u3001\u300cTsvFileReader\u300d\u3068\u3044\u3046\u547c\u3073\u51fa\u3055\u308c\u308b\u5074\u306e\u30af\u30e9\u30b9\u304c\u5897\u3048\u3066\u3044\u3063\u305f\u3068\u3057\u3066\u3082\u547c\u3073\u51fa\u3059\u5074\u306f\u4e00\u5207\u624b\u3092\u52a0\u3048\u308b\u5fc5\u8981\u304c\u306a\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n
\u547c\u3073\u51fa\u3055\u308c\u308b\u5074\u3092\u5171\u901a\u5316\u3059\u308b\u4ed5\u7d44\u307f\u306f\u5143\u3005\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u306e\u524d\u306e\u6642\u4ee3\u304b\u3089\u3042\u308a\u307e\u3057\u305f\u304c\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306e\u767b\u5834\u306b\u3088\u3063\u3066\u547c\u3073\u51fa\u3059\u5074\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u5171\u901a\u5316\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n
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