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clash_m45 2011/09/01
Java

Java7
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Java Platform SE 7
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clash_m45 2011/08/25
Java

Java7
ãƒªãƒ³ã‚¯
Java7 ã®æ–°æ©Ÿèƒ½ - ã«ã‚‡ãã«ã‚‡ããƒ–ãƒã‚°
Java 7 ãŒã‚„ã£ã¨ãƒªãƒªãƒ¼ã‚¹ã•ã‚ŒãŸãã†ã§ã€‚C# ã‚„ Scala ã®ã‚ˆã†ãªå…ˆé€²çš„ãªæ©Ÿèƒ½ãŒç„¡ãã€å¾Œæ–¹äº’æ›ã‚’æ°—ã«ã™ã‚‹ã‚ã¾ã‚Š Java ã¯å¤è‡ã„è¨€èªžã«ãªã£ã¦ã—ã¾ã„ã¤ã¤ã‚ã‚‹ãŒã€ JVM ä¸Šã§å‹•ãè¨€èªžãŒã¡ã‚‰ã»ã‚‰å‡ºã¦ãã¦ã‚‹ã®ã§ä»Šå¾Œ20å¹´ãã‚‰ã„ã¯ Java ã¯ä¸»æµã§å±…ç¶šã‘ã‚‹ã ã‚ã†ãªã€‚ãã£ã¨ã€‚ ãã‚Œã§ã¯ Java7 ã®æ–°æ©Ÿèƒ½(ã®ä¸€éƒ¨)ã‚’è©¦ã—ã¦ã¿ã‚‹ã€‚ 1. switch æ–‡ã§ String ã‚’è©•ä¾¡ã§ãã‚‹ã‚ˆã†ã«ãªã£ãŸ 1.6 ã¾ã§ã® Java ã§ã¯ switch æ–‡ã¯ int ã‹ enum åž‹ã«ã—ã‹ä½¿ãˆãªã‹ã£ãŸã€‚Java7 ã‹ã‚‰ã¯ int ã¨ enum ã«åŠ ãˆã¦ String ã§ã‚‚ä½¿ãˆã‚‹ã‚ˆã†ã«ã€‚ public static void main(String[] args) { String s = "hoge"; switch( s ) { case "huga": System.out.println("p
clash_m45 2011/08/25
Java7

Java
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JDK7æ£å¼ç‰ˆã®æ–°æ©Ÿèƒ½ä¸€è¦§(Javaè¨€èªžä»•æ§˜ã«é–¢ã—ã¦) - R42æ—¥è¨˜
2011-08-02è¿½è¨˜ JDK7ã«è‡´å‘½çš„ãªãƒã‚° é‡è¦ãªã®ã§å…ˆé ã«è¿½è¨˜ã—ã¦ãŠãã¾ã™ãŒã€JDK7ã®ãƒ›ãƒƒãƒˆã‚¹ãƒãƒƒãƒˆã‚³ãƒ³ãƒ‘ã‚¤ãƒ©ã«è‡´å‘½çš„ãªãƒã‚°ãŒå˜åœ¨ã™ã‚‹ãã†ã§ã™ã€‚ è©³ã—ãã¯ã‚³ãƒãƒ©ã€‚ http://d.hatena.ne.jp/takahashikzn/20110802 JDK7ã‚’ä½¿ç”¨ã™ã‚‹éš›ã¯ã”æ³¨æ„ä¸‹ã•ã„ã€‚ (Javadocã®ã‚¹ã‚¿ã‚¤ãƒ«ã‚‚ã‚¬ãƒ©ã£ã¨å¤‰ã‚ã‚Šã¾ã—ãŸ!!) http://www.oracle.com/tech network/java/javase/jdk7-relnotes-418459.html JDK7ã®æ£å¼ç‰ˆãŒãƒªãƒªãƒ¼ã‚¹ã•ã‚Œã¦ã„ã¾ã™ã€‚ èˆˆå‘³æ·±ã„æ©Ÿèƒ½ã‚„APIãªã©ãŒè¿½åŠ ã•ã‚Œã¦ã„ã‚‹ã‚ã‘ã§ã™ãŒã€ ãã®ä¸ã§ã‚‚ã¿ã‚“ãªä¸€ç•ªæ°—ã«ãªã‚‹ã¨ã“ã‚ã§ã‚ã‚‹ã€Javaè¨€èªžä»•æ§˜ã®å¤‰æ›´ã«ã¤ã„ã¦ã”ç´¹ä»‹ã€‚ ã‚ã¨ã¯ã€å€‹äººçš„ã«java.lang.invokeãªã‚“ã¦ã‚¢ãƒ¤ã‚·ã‚²ãªãƒ‘ãƒƒã‚±ãƒ¼ã‚¸ãŒæ°—ã«ãªã£ã¦ã„ã‚‹ã®ã§ã™ãŒâ€¦ APIã‚’è¦‹ã‚‹é™ã‚Šã€å‹•
clash_m45 2011/08/25
Java7

Java
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