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GraalVMã®Javaãƒã‚¤ãƒ†ã‚£ãƒ–ãƒ“ãƒ«ãƒ‰æ©Ÿèƒ½ã§ã©ã®ç¨‹åº¦èµ·å‹•ãŒé€Ÿããªã‚‹ã®ã‹ï¼Ÿï½žã‚µãƒ¼ãƒãƒ¬ã‚¹åŸºç›¤ä¸Šã§ã®è©•ä¾¡ï½ž / How fast does GraalVM's...
hiroyukim 2015/01/05
Java8

GC

slide

jvm

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Java EE 8 ã®æ–°æ©Ÿèƒ½æ¦‚è¦ã®ã”ç´¹ä»‹
Java EE 8Â ã®æ–°æ©Ÿèƒ½æ¦‚è¦ã®ã”ç´¹ä»‹ 2014å¹´12æœˆ19æ—¥ at 10:00 åˆå‰ 1ä»¶ã®ã‚³ãƒ¡ãƒ³ãƒˆ ã“ã®è¨˜äº‹ã¯ã€ã€ŒJava EE Advent Calendar 2014ã€ã®19æ—¥ç›®ã®è¨˜äº‹ã¨ãªã‚Šã¾ã™ã€‚ æ˜¨æ—¥ã¯ã€@nagaseyasuhitoã•ã‚“ã®ã€ŒJPAã§ãƒžã‚¹ã‚¿ãƒ¼/ã‚¹ãƒ¬ãƒ¼ãƒ–æ§‹æˆã®MySQLã‚’ä½¿ã†ãžã€ã§ã—ãŸã€‚æ˜Žæ—¥ã¯ã€@kokuzawa ã•ã‚“ã®ã”æ‹…å½“ã¨ãªã‚Šã¾ã™ã€‚ æœ¬ã‚¨ãƒ³ãƒˆãƒªã§ã¯ã€ä»Šå¹´ã® JavaOne ã§ç™ºè¡¨ã•ã‚ŒãŸã€Java EE 8 (JSR-366) ã®ä»Šå¾Œã®å‹•å‘ã«ã¤ã„ã¦ã¾ã¨ã‚ãŸã„ã¨æ€ã„ã¾ã™ã€‚ æœ¬ã‚¨ãƒ³ãƒˆãƒªã®å†…å®¹ã¯ã€JJUG CCC 2014 Fall ã§ç™ºè¡¨ã—ãŸå†…å®¹ã«è¿½åŠ æƒ…å ±ã‚’åŠ ãˆãŸå†…å®¹ã«ãªã£ã¦ã„ã¾ã™ã€‚SlideShare ã§è³‡æ–™ã‚’ã”è¦§é ‚ããŸã„æ–¹ã€ã‚‚ã—ãã¯ PDF ãƒ•ã‚¡ã‚¤ãƒ«ã‚’å…¥æ‰‹ã•ã‚ŒãŸã„æ–¹ã¯ä¸Šè¨˜ã‚¹ãƒ©ã‚¤ãƒ‰ã‚’ã”å‚ç…§ãã ã•ã„ã€‚ æœ¬ã‚¨ãƒ³ãƒˆãƒªã®è¨˜è¼‰å†…å®¹ã¯ã€2014å¹´12æœˆæ™‚ç‚¹ã§ã®å†…å®¹ã§ã™ã®ã§ã€
hiroyukim 2014/12/19
Java EE

Java

Java8
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hiroyukim 2014/10/24
Java8

Java
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[java] SecureRandom ã®ã‚¢ãƒ«ã‚´ãƒªã‚ºãƒ ã®é¸æŠžã«ã¤ã„ã¦ - tokuhirom's blog
[java] SecureRandom ã®ã‚¢ãƒ«ã‚´ãƒªã‚ºãƒ ã®é¸æŠžã«ã¤ã„ã¦ å‰æ Java SE 8 + Linux å‰æã§ã™ï½¡ Java ã§æš—å·çš„ã«å®‰å…¨ãªä¹±æ•°ã‚’ãˆã‚‹ Java ã§æš—å·çš„ã«å®‰å…¨ãªä¹±æ•°ã‚’å¾—ã‚‹ã«ã¯ SecureRandom ã‚¯ãƒ©ã‚¹ã‚’åˆ©ç”¨ã—ã¾ã™ï½¡ SecureRandom ã§ã¯ã„ãã¤ã‹ã®ä¹±æ•°ç”Ÿæˆã‚¢ãƒ«ã‚´ãƒªã‚ºãƒ ã‚’ã‚µãƒãƒ¼ãƒˆã—ã¦ã„ã¾ã™ï½¡ å„ãƒ—ãƒ©ãƒƒãƒˆãƒ•ã‚©ãƒ¼ãƒ ã§ã‚‚ã£ã¨ã‚‚å®‰å…¨ãª SecureRandom ã®å®Ÿè£…ã¯ ${JAVA_HOME}/jre/lib/security/java.security ã® securerandom.strongAlgorithms ã¨ã„ã†é …ç›®ã«æ›¸ã„ã¦ã‚ã‚Šã¾ã™ï½¡ SecureRandom#getInstanceStrong() ã§å–å¾—ã§ãã‚‹ã®ã¯ã“ã‚Œã§ã™ï½¡ ã‚¤ãƒ³ã‚¹ã‚¿ãƒ³ã‚¹ã®å–å¾—æ–¹æ³• new SecureRandom() ã§ãƒ‡ãƒ•ã‚©ãƒ«ãƒˆå®Ÿè£…ãŒå¾—ã‚‰ã‚Œã¾ã™ OSX ã‚„ linux
hiroyukim 2014/10/09
java

java8

secure

random
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JVM ã®ä¸¦è¡Œæ€§: Java 8 ã§ã®ä¸¦è¡Œå‡¦ç†ã®åŸºç¤Ž
IBM Developer is your one-stop location for getting hands-on training and learning in-demand skills on relevant techno logies such as generative AI, data science, AI, and open source.
hiroyukim 2014/09/26
java

java8

concurrent

future
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Efficient data transfer through zero copy
IBM Developer is your one-stop location for getting hands-on training and learning in-demand skills on relevant techno logies such as generative AI, data science, AI, and open source.
hiroyukim 2014/09/09
java8

concurrency
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æ—¥æœ¬ã‚ªãƒ©ã‚¯ãƒ«ã€ã€ŒJava SE 8ã€æœ€æ–°è³‡æ–™ã®æ—¥æœ¬èªžç‰ˆã‚’å…¬é–‹
hiroyukim 2014/05/22
java8

java

oracle
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Java 8 æ–°æ©Ÿèƒ½ã«ã¤ã„ã¦ã®ã¾ã¨ã‚ 1 - A Memorandum
Java8 ã® Developer preview ãŒå…¬é–‹ã•ã‚ŒãŸã®ã§ã€ãã‚ãã‚æ–°æ©Ÿèƒ½ã«ã¤ã„ã¦ã¾ã¨ã‚ã¦ãŠãã¾ã™ã€‚ æ©Ÿèƒ½ä¸€è¦§ã¯ã“ã¡ã‚‰ã§ã™ã€‚ ã‚¤ãƒ³ã‚¿ãƒ¼ãƒ•ã‚§ãƒ¼ã‚¹ã«staticãªãƒ¡ã‚½ãƒƒãƒ‰å®šç¾©ãŒå¯èƒ½ã«ãªã£ãŸ ä¾‹ãˆã°ã€java.util.Comparator ã«ã¯ä»¥ä¸‹ã® static ãªãƒ¡ã‚½ãƒƒãƒ‰ãŒè¿½åŠ ã•ã‚Œã¦ã„ã¾ã™ã€‚ @FunctionalInterface public interface Comparator<T> { public static <T, U> Comparator<T> comparing( Function<? super T, ? extends U> keyExtractor, Comparator<? super U> keyComparator) { Objects.requireNonNull(keyExtractor); Objects.requireNonNull(k
hiroyukim 2014/05/21
Java8
ãƒªãƒ³ã‚¯
1