11/10ã«éå¬ãããJJUG CCC 2012 Fallã§ã¸ã§ããªã¯ã¹ã«ã¤ãã¦ã»ãã·ã§ã³ãè¡ãã¾ããã ãã®ã¨ã³ããªã¯ã»ãã·ã§ã³å 容ãè£è¶³ãããã®ã§ããåºç¤çãªå 容㯠Javaã¸ã§ããªã¯ã¹åå ¥é - ããã°ã©ãã¼ã®è³ã¿ã ã¸ã§ããªãã¯ãªè¨è¨ åºç¤ç·¨ - ããã°ã©ãã¼ã®è³ã¿ã ãªã©ãåç §ãã¦ãã ããã å帰çã¸ã§ããªã¯ã¹ public class Hoge<T extends Hoge<T>> ãã®ããã«ãåå¤æ°Tã«å¯¾ãã¦å¢çã宣è¨ããã¯ã©ã¹Hogeèªèº«ã«ããåå¤æ°ããã¤ããã¡ãæãã¦å帰ã¸ã§ããªã¯ã¹ã»å帰çã¸ã§ããªã¯ã¹ãªã©ã¨å¼ã³ã¾ãã ãã®ãããªåå¤æ°Tã¯ãã©ã¡ã¼ã¿åãããåã¨ãã¦å¤æ°å®£è¨ã«ç¨ãããã¨ãã㨠Hoge<?> hoge; ã¨ãã£ãããã«ã¯ã¤ã«ãã«ã¼ããç¨ããªãã¨å®£è¨ã§ãã¾ãããã¾ããnewã«ãã£ã¦åããã¤ã³ããããã¨ãã¦ãåããã¤ã³ããããã¨ãã§ãã¾ããã å帰çãªåå¤æ°ã
{{#tags}}- {{label}}
{{/tags}}