DroidKaigi 2017 day 1, 17:10 JST
DroidKaigi 2017 day 1, 17:10 JST
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ã大ããé²åããJava SE 8ã¯ä¼æ¥ã«å¤ãã®ã¡ãªããããããããããã¸ã§ã¯ãã»ããã¸ã£ã¼ãã¢ã¼ããã¯ãããä»ããç§»è¡ã«åãæããã¹ããã¨è¨´ããJavaã¨ãã³ã¸ã§ãªã¹ãã®å¯ºç°ä½³å¤®æ°ãã©ã ãå¼ã¨ã¹ããªã¼ã APIãä¾ã«ã¨ããJava SE 8ã«ããããã°ã©ãã³ã°ã®ç¹å¾´ã¨å©ç¹ãèªã£ãã 2014å¹´3æã«ãªãªã¼ã¹ããããJava SE 8ãã®å¤§ããªå¤æ´ç¹ã®1ã¤ã¯ãæ°ããªè¨èªæ©è½ã¨ãã¦ãã©ã ãå¼ï¼Lambda Expressionsï¼ããå°å ¥ããããã¨ã ãåæ©è½ã使ããã¨ã§ãéçºè ã¯å¾æ¥ãããå¹ççã«ããã°ã©ã ãæ¸ããããã«ãªããã¾ããä½µãã¦å°å ¥ããããã¹ããªã¼ã APIï¼Stream APIï¼ãã使ç¨ãããã¨ã§ä¸¦åå¦çã®å®è£ ã容æã¨ãªãããã«ãã³ã¢ã»ããã»ããµã®è½åãçããããã¤ããã©ã¼ãã³ã¹ãªã¢ããªã±ã¼ã·ã§ã³ãè¿ éã«ä½ããããã«ãªãã æ¥æ¬ãªã©ã¯ã«ã®Javaã¨ãã³ã¸ã§ãªã¹ã 寺ç°ä½³å¤®æ°ã¯ã伿¥ã®
Java SE 8ã§å°å ¥ãããã©ã ãå¼ã¯ãã©ã®ãããªä»çµã¿ã§å®ç¾ããã¦ããã®ã ãããï¼ ã©ã ãå¼ãããæ·±ãçè§£ãããã¨èããèªè ã«ã¨ã£ã¦ãããã¯æ°ã«ãªããã¼ãã®1ã¤ã ããããã®ç§å¯ããæããããã Java SE 8ã§å°å ¥ãããã©ã ãå¼ã¯ãJavaã®è¨èªä»æ§ã®æ´å²ã«ããã¦æå¤§ç´ã®å¤æ´ã ã¨ããã¦ããããã ããããã¯ããã¾ã§ãJavaè¨èªã®ææ³ã¬ãã«ã®è©±ã§ãããJavaããã°ã©ã ãå®è¡ããJavaä»®æ³ãã·ã³ï¼JVMï¼ã«æ°ããªä»çµã¿ãå°å ¥ãããããã§ã¯ãªããã¤ã¾ããè¨èªä»æ§ã«é¢ããæ§ãã¼ã¸ã§ã³ã¨ã®ç¸éã¯ã³ã³ãã¤ã©ã¨ã©ã³ã¿ã¤ã ãå¸åãããã¤ãã³ã¼ãã¬ãã«ã§ã®äºææ§ã¯ä¿ããã¦ããã¨ãããã¨ã ã ããã§ã¯ããã®ãããªå¤§ããªå¤æ´ããæ¢åã®JVMã®ä»çµã¿ã®ä¸ã§ã©ã®ããã«å®ç¾ããã®ã ãããããããç¥ããã¨ã¯ãã©ã ãå¼ãããæ·±ãçè§£ããæå©ãã¨ãªããããããªããJava SE 8ã®ã©ã ãå¼å®ç¾ã®çµç·¯ã¨ä»çµã¿ã«
å¤ä¸ã«8/15é ã®ãã¤ã¼ããåã£ã¦ããã Java 8u60 adds reflection on lambda param names DSLs https://t.co/cflxFK468e Hash-Literals https://t.co/5rOCrrckcB pic.twitter.com/NEzj4X3Bt1â Benjamin Weber (@benjiweber) 2015, 8æ 16 æ°ã Java8u60ã§ã©ã ãã®ãã©ã¡ã¼ã¿ã¼ã®ååã«å¯¾ãã¦ãªãã¬ã¯ã·ã§ã³ãã§ããããã«ãªã£ã¦ãã ã¨ããããã§ æ©éãä»¶ã®ãã¤ã¼ãã«ãã£ãã¬ãã¸ããªã¼ããã¦ã³ãã¼ããã¦(mavenã¬ãã¸ããªã¼ã«ã¯ãªãâ¦(´ã»Ïã»ï½))ãããã¸ã§ã¯ãã«è¿½å ãã¦ã試ãã¦ã¿ãã ã³ã¼ã import com.benjiweber.typeref.NamedValue; import java.util.Col
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