Java8時代ã®æ–‡å—列連çµå¤‰æ…‹ã•ã‚“ã¾ã¨ã‚ - ãã—ã ã®Hatenaã„ã‚ã„ã‚ãªæ–‡å—列連çµã®ã‚³ãƒ¼ãƒ‰ã‚’書ã„ãŸäººãŒã„ãŸã®ã§ã¾ã¨ã‚ã¦ãŠãã¾ã™ã。 主ã«å¤‰æ…‹ã•ã‚“。 ã¨ã‚Šã‚ãˆãšã€åŸºæº–ã¨ã—ã¦ã€ãƒ¡ãƒ¢ãƒªç¢ºä¿ã—ãŸStringBuilder版 public static String stringBuilderJoinMem(){ StringBuilder s = new StringBuilder(9100).append("["); for(int i = 0; i < strarray.length; ++i){ if(i != 0){ s.append("],["); } s.append(strarray[i]); } s.append("]"); return s.toString(); } 1037ms ã¨ã„ã†ã“ã¨ã§ã€ã¾ãšã¯backpaper0ã•ã‚“。比較的常人ã®ã‚³ãƒ¼ãƒ‰ã€‚ https://gist.github.com/backpaper0/10273558 pu
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Java 8 Tutorial - winterbe
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