[B! lambda] tokuryooã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯

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lambdaã«é–¢ã™ã‚‹tokuryooã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (12)

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tokuryoo 2019/05/01
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åˆã‚ã¦ã®ã‚µãƒ¼ãƒãƒ¼ãƒ¬ã‚¹ã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³é–‹ç™º ï½žLambdaã§DynamoDBã®å€¤ã‚’å–å¾—ã™ã‚‹ï½ž | DevelopersIO
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tokuryoo 2019/05/01
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tokuryoo 2015/12/22
java8

stream

lambda
ãƒªãƒ³ã‚¯
Java Streamã‚µãƒ³ãƒ—ãƒ«(Hishidama's Java8 Stream Example)
Streamã‚’å¤‰æ›ã™ã‚‹ä¾‹ Streamã‚’Listã«å¤‰æ›ã™ã‚‹ã«ã¯Collectors.toList()ã‚’ä½¿ã†ã®ãŒå¸¸å¥—æ‰‹æ®µã ãŒã€forEachã§æ›¸ãã¨ä»¥ä¸‹ã®ã‚ˆã†ã«ãªã‚‹ã€‚ import java.util.ArrayList; import java.util.List; import java.util.stream.Stream; Stream<String> stream = Stream.of("abc", "def"); // List<String> list = stream.collect(Collectors.toList()); List<String> list = new ArrayList<>(); stream.forEach(t -> list.add(t)); System.out.println(list); â†’collectãƒ¡ã‚½ãƒƒãƒ‰ã®å¼•æ•°ã‚’è‡ªä½œã—ã¦Listã¸å¤‰
tokuryoo 2015/12/22
java

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tokuryoo 2015/12/22
java

java8

lambda
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Java 8ã¯ãƒ©ãƒ ãƒ€å¼ã§ã“ã“ã¾ã§å¤‰ã‚ã‚‹
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tokuryoo 2015/10/22
java8

lambda

java
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Stream APIã®ä¸»ãªãƒ¡ã‚½ãƒƒãƒ‰ã¨å‡¦ç†çµæžœã®Optionalã‚¯ãƒ©ã‚¹ã®ä½¿ã„æ–¹
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tokuryoo 2015/10/22
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tokuryoo 2015/10/22
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tokuryoo 2015/01/21
java8

lambda
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Java8é–¢æ•°åž‹ã‚¤ãƒ³ã‚¿ãƒ¼ãƒ•ã‚§ãƒ¼ã‚¹ ãƒãƒ¼ãƒˆã‚·ãƒ¼ãƒˆ - Qiita
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tokuryoo 2014/09/01
java

lambda
ãƒªãƒ³ã‚¯
Java 8 vs Scala: ç‰¹å¾´ã‚’æ¯”è¼ƒã™ã‚‹
Java 8ã¯ã¤ã„ã«ãƒ©ãƒ ãƒ€å¼ã‚’å°Žå…¥ã—ã¾ã™ã€‚ãƒ©ãƒ ãƒ€å¼è‡ªä½“ã¯2009å¹´ã‹ã‚‰Project Lambdaã§åˆ©ç”¨ã™ã‚‹ã“ã¨ãŒã§ãã¾ã—ãŸã€‚å½“æ™‚ã¯ãƒ©ãƒ ãƒ€å¼ã¯Java Closuresã¨è¨€ã‚ã‚Œã¦ã„ã¾ã—ãŸã€‚ã‚µãƒ³ãƒ—ãƒ«ã‚³ãƒ¼ãƒ‰ã‚’ç´¹ä»‹ã™ã‚‹å‰ã«ã€ãƒ©ãƒ ãƒ€å¼ãŒJavaãƒ—ãƒã‚°ãƒ©ãƒžã«ã¨ã£ã¦ãªãœæ“è¿Žã™ã¹ãæ©Ÿèƒ½ãªã®ã‹ã‚’èª¬æ˜Žã—ã¾ã—ã‚‡ã†ã€‚ ãªãœãƒ©ãƒ ãƒ€å¼ã‚’ä½¿ã†ã®ã‹ ãƒ©ãƒ ãƒ€å¼ã®ä¸€èˆ¬çš„ãªä½¿ã„æ–¹ã¯GUIé–‹ç™ºã«ãŠã„ã¦ã§ã™ã€‚ä¸€èˆ¬çš„ã«ã€GUIãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°ã§ã¯ã‚¤ãƒ™ãƒ³ãƒˆã¨çµã³ã¤ãæŒ¯ã‚‹èˆžã„ã‚’è§£æ±ºã™ã‚‹å¿…è¦ãŒã‚ã‚Šã¾ã™ã€‚ä¾‹ãˆã°ã€ãƒ¦ãƒ¼ã‚¶ãŒãƒœã‚¿ãƒ³ã‚’æŠ¼ã—ãŸã¨ã(ã‚¤ãƒ™ãƒ³ãƒˆãŒç™ºç”Ÿã—ãŸã¨ã), ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°ã¯ä½•ã‚‰ã‹ã®å‡¦ç†ã‚’å®Ÿè¡Œã™ã‚‹å¿…è¦ãŒã‚ã‚Šã¾ã™ã€‚ä¾‹ãˆã°ã€Swingã§ã¯ã€æ¬¡ã®ã‚³ãƒ¼ãƒ‰ã§ç¤ºã™ã‚ˆã†ã«ActionListenersã‚’ä½¿ã„ã¾ã™ã€‚ class ButtonHandler implements ActionListener { public void actionP
tokuryoo 2013/05/24
lambda

Java8
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tokuryoo 2013/05/24
java8

lambda
ãƒªãƒ³ã‚¯
1