Javaç·ç§°åž‹ãƒ¡ãƒ¢(Hishidama's Java Generics Memo)メソッドã®ç·ç§°åž‹ メソッドã®ã¿ã«ç·ç§°åž‹ã‚’é©ç”¨ã—ãŸå®šç¾©ã‚’è¡Œã†ã“ã¨ã‚‚出æ¥ã‚‹ã€‚[2007-06-12] 戻り値ã®åž‹ã®ç›´å‰ã«ã€Œ<仮型引数, 仮型引数…>ã€ã‚’ç½®ãã ã‘。後ã¯ã‚¯ãƒ©ã‚¹ã®å ´åˆã¨åŒæ§˜ã€‚ public static <T> T notNull(T arg1, T arg2) { T ret; if (arg1 != null) { ret = arg1; } else { ret = arg2; } return ret; } ã“ã®ãƒ¡ã‚½ãƒƒãƒ‰ã‚’呼ã³å‡ºã™å´ã¯ã€ã‚¯ãƒ©ã‚¹ã®å ´åˆã¨ã¯ç•°ãªã‚Šã€æ˜Žç¤ºçš„ã«åž‹å¼•æ•°ã‚’指定ã™ã‚‹å¿…è¦ã¯ç„¡ã„。 指定ã—ãŸå¼•æ•°ã®å€¤ã«å¿œã˜ã¦ã€è‡ªå‹•çš„ã«åž‹ãŒåˆ¤æ–ã•ã‚Œã‚‹ã€‚ String s = notNull("abc", "def"); //型引数ã¯String Long l = notNull(new Long(1), new Long(2)); //型引数ã¯Long int i = notNu
Javadocを書ã - ã—ã’るメモ
sourceforge.jp
Eclipse 上㧠UTF-8 ã®ã‚½ãƒ¼ã‚¹ã‹ã‚‰ javadoc を生æˆã™ã‚‹æ–¹æ³• - Be an Idealistic Realist
http://code.google.com/intl/ja/apis/gdata/javadoc/
Javadoc Formats
{{#tags}}- {{label}}
{{/tags}}