[B! Java][ãƒ‡ãƒãƒƒã‚°] decoy2004ã®ãƒ

decoy2004 id:decoy2004

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Java 8æ™‚ä»£ã®é–‹ç™ºè€…ã®ãŸã‚ã®ãƒ‡ãƒãƒƒã‚°ï¼ãƒˆãƒ©ãƒ–ãƒ«è§£æ±ºã®åŸºæœ¬ãƒ»å¿œç”¨ãƒ†ã‚¯ãƒ‹ãƒƒã‚¯ï½žJJUG CCC 2014 Springã¾ã¨ã‚ãƒªãƒãƒ¼ãƒˆï¼ˆå¾Œç·¨ï¼‰
Java 8æ™‚ä»£ã®é–‹ç™ºè€…ã®ãŸã‚ã®ãƒ‡ãƒãƒƒã‚°ï¼ãƒˆãƒ©ãƒ–ãƒ«è§£æ±ºã®åŸºæœ¬ãƒ»å¿œç”¨ãƒ†ã‚¯ãƒ‹ãƒƒã‚¯ï½žJJUG CCC 2014 Springã¾ã¨ã‚ãƒªãƒãƒ¼ãƒˆï¼ˆå¾Œç·¨ï¼‰ï¼ˆ1/3 ãƒšãƒ¼ã‚¸ï¼‰ Javaé–‹ç™ºã«ãŠã‘ã‚‹3å¤§ãƒˆãƒ©ãƒ–ãƒ«ã¨å¯¾ç–ã€IDEã®ãƒ‡ãƒãƒƒã‚¬ãƒ¼æ´»ç”¨ã®å¿…è¦æ€§ã€Java 8ã‚ˆã‚Šå°Žå…¥ã•ã‚ŒãŸæ–°ã—ã„ãƒ¡ãƒ¢ãƒªé ˜åŸŸã‚’ä½¿ã„ã“ãªã™ãŸã‚ã®ãƒ†ã‚¯ãƒ‹ãƒƒã‚¯ã€ç‹¬è‡ªã®ãƒˆãƒ©ãƒ³ã‚¶ã‚¯ã‚·ãƒ§ãƒŠãƒ«ãƒ¡ãƒ¢ãƒªæ©Ÿæ§‹ã‚’å®Ÿè£…ã—ãŸæœ‰åŠ¹æ€§ãªã©ã‚’ãŠä¼ãˆã™ã‚‹ã€‚ æ—¥æœ¬Javaãƒ¦ãƒ¼ã‚¶ãƒ¼ã‚°ãƒ«ãƒ¼ãƒ—ã¯2014å¹´5æœˆ18æ—¥ã€ã€ŒJJUG Cross Community Conference 2014 Springã€ã‚’é–‹å‚¬ã—ãŸã€‚ã€ŒJJUG Cross Community Conferenceã€ï¼ˆä»¥ä¸‹ã€JJUG CCCï¼‰ã¯æ¯Žå¹´æ˜¥ã¨ç§‹ã«é–‹å‚¬ã•ã‚Œã‚‹ã‚«ãƒ³ãƒ•ã‚¡ãƒ¬ãƒ³ã‚¹ã€‚åˆå¿ƒè€…å‘ã‘ã‹ã‚‰ã‚¨ã‚ã‚¹ãƒ‘ãƒ¼ãƒˆå‘ã‘ã¾ã§ã€Javaï¼JVMã«å°‘ã—ã§ã‚‚é–¢é€£ã™ã‚Œã°ã„ã„ã¨ã„ã†åºƒã„ãƒ†ãƒ¼ãƒžã§ã•ã¾ã–ã¾ãªè¬›æ¼”ãŒè¡Œã‚ã‚Œã¦ã„ã‚‹ã€‚ å‰ç·¨ã§ã¯ã€ã€ŒS
decoy2004 2014/10/16
java8

java

ãƒ‡ãƒãƒƒã‚°
ãƒªãƒ³ã‚¯
Eclipseã§ãƒªãƒ¢ãƒ¼ãƒˆãƒ‡ãƒãƒƒã‚°ã‚’ã™ã‚‹æ–¹æ³• - tanamonã®æ—¥è¨˜
Tomcatã‚’ä½¿ç”¨ã™ã‚‹å ´åˆã¨ã€OC4Jã‚’ä½¿ç”¨ã™ã‚‹å ´åˆã®ä¸¡æ–¹ã§è©¦ã—ã¦ã¿ãŸã€‚ æ„å¤–ã«ã‚µã‚¯ã‚µã‚¯å‹•ãã€‚ Tomcatã‚’ä½¿ç”¨ã™ã‚‹å ´åˆã®è¨å®š $ cd $TOMCAT_HOME/bin $ ./catalina.sh jpda start èµ·å‹•æ™‚ã«jpda startã¨ã™ã‚‹ã ã‘ã§å‹•ãã€‚ Oracle Application Server(OC4J)ã‚’ä½¿ç”¨ã™ã‚‹å ´åˆã®è¨å®š $ cd $ORACLE_HOME/opmn $ vi conf/opmn.xml ... <ias-component id="oc4j01" status="enabled"> <process-type id="oc4j01" module-id="OC4J" status="enabled"> <module-data> <category id="start-parameters"> <data id="java-option
decoy2004 2014/07/22
JavaVM -Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=n,address=8000 ã‚’è¿½åŠ ã™ã‚‹ã€‚

java

debug

ãƒ‡ãƒãƒƒã‚°

Eclipse
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Java ãƒ‡ãƒãƒƒã‚¬æ´»ç”¨è¡“ ï½žå‹˜ãƒ‡ãƒãƒƒã‚°ãƒ»print ãƒ‡ãƒãƒƒã‚°ã‹ã‚‰æŠœã‘ã ãã†ï½ž #jjug_ccc #ccc_h4
6. #ccc_h4 ãƒ‡ãƒãƒƒã‚¬ vs ãƒ¦ãƒ‹ãƒƒãƒˆãƒ†ã‚¹ãƒˆ â€¢ ãƒ¦ãƒ‹ãƒƒãƒˆãƒ†ã‚¹ãƒˆ! â€¢ å®Ÿè£…ãŒæœŸå¾…é€šã‚Šã«å‹•ãã“ã¨ã‚’ç¢ºèª! â€¢ ã‚¤ãƒ³ãƒ—ãƒƒãƒˆã«å¯¾ã—ã¦æœŸå¾…ã™ã‚‹ã‚¢ã‚¦ãƒˆãƒ—ãƒƒãƒˆãŒ å‡ºã‚‹ã‹
decoy2004 2014/05/18
Java

ãƒ‡ãƒãƒƒã‚°

debug

presentation
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Javaãƒˆãƒ©ãƒ–ãƒ«ã«å¿œã˜ãŸåˆå‹•å¯¾å¿œã®ã¾ã¨ã‚ - n-agetsumaã®æ—¥è¨˜
Javaãƒˆãƒ©ãƒ–ãƒ«ã§ã¯ã€Žæƒ…å ±ãŒãªãã¦ã€å†ç¾ã‚‚ãªã‹ãªã‹ã—ã¾ã›ã‚“ã€ã¨ã„ã£ãŸçŠ¶æ³ã«é™¥ã‚‹ã“ã¨ãŒã‚ã‚‹ã€‚ã“ã®ã‚ˆã†ãªçŠ¶æ³ã‚’å›žé¿ã™ã‚‹ãŸã‚ã«ã€ä»¥ä¸‹ã®3ã¤ã®ä»£è¡¨çš„ãªãƒˆãƒ©ãƒ–ãƒ«ã‚’ä¾‹ã«ã€ã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã‚µãƒ¼ãƒã‚’å†èµ·å‹•ã™ã‚‹å‰ã«ä½•ã‚’å–å¾—ã™ã‚Œã°è‰¯ã„ã®ã‹ã‚’ã¾ã¨ã‚ã¦ã¿ã‚‹ã€‚ ã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã‹ã‚‰å¿œç”ãŒãªã„ ã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ãŒé…ã„ ãƒ’ãƒ¼ãƒ—ãƒ¡ãƒ¢ãƒªãŒè¶³ã‚Šãªã„(OutOfMemoryErrorã®ç™ºç”Ÿ) ã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã‹ã‚‰å¿œç”ãŒãªã„ å–å¾—ã™ã‚‹æƒ…å ± ã‚¹ãƒ¬ãƒƒãƒ‰ãƒ€ãƒ³ãƒ— ãƒ‡ãƒ¼ã‚¿å–å¾—æ–¹æ³• ã‚¹ãƒ¬ãƒƒãƒ‰ãƒ€ãƒ³ãƒ—ã¨ã¯ã€ã‚³ãƒžãƒ³ãƒ‰å®Ÿè¡Œæ™‚ç‚¹ã§ã®Javaã‚¹ãƒ¬ãƒƒãƒ‰å®Ÿè¡ŒçŠ¶æ…‹ã‚’å‡ºåŠ›ã—ãŸã‚‚ã®ã§ã‚ã‚‹ã€‚å¿œç”ãŒãªã„å ´åˆã€ä½•ã‚‰ã‹ã®è¦å› ã«ã‚ˆã‚Šã©ã“ã‹ã§å‡¦ç†ãŒæ¢ã¾ã£ã¦ã„ã‚‹ã“ã¨ãŒæƒ³å®šã•ã‚Œã‚‹ã€‚ã‚¹ãƒ¬ãƒƒãƒ‰ãƒ€ãƒ³ãƒ—ã¯ã€Žã©ã“ã§æ¢ã¾ã£ã¦ã„ã‚‹ã®ã‹ï¼Ÿã€ã‚’åˆ‡ã‚Šåˆ†ã‘ã‚‹ã®ã«å¤§åˆ‡ãªæƒ…å ±ã§ã‚ã‚‹ã€‚ å–å¾—æ–¹æ³•ã¯JDKã®ãƒãƒ¼ã‚¸ãƒ§ãƒ³ã«ã‚ˆã£ã¦è‰²ã€…ã‚ã‚‹ã€‚ kill -3 <pid> (å°‘ãªãã¨ã‚‚1.4.2ã«ã¯ã‚ã‚‹ã€œJDK7ã§ã‚‚
decoy2004 2014/03/13
java

jvm

ãƒ‡ãƒãƒƒã‚°

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