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JVMã¨Javaã«é–¢ã™ã‚‹pochi-mkã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (16)

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JVMã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã‚’é‹ç”¨ã™ã‚‹éš›ã®ãƒ¡ã‚¸ãƒ£ãƒ¼ã©ã“ã‚ãƒãƒ¥ãƒ¼ãƒ‹ãƒ³ã‚°ãƒã‚¤ãƒ³ãƒˆãƒ¡ãƒ¢ - yoskhdiaâ€™s diary
JVMã«ãƒãƒ¥ãƒ¼ãƒ‹ãƒ³ã‚°é …ç›®ã¯å¤šã€…ã‚ã‚Œã©ã€ãƒ—ãƒãƒ€ã‚¯ã‚·ãƒ§ãƒ³ã§é‹ç”¨ã™ã‚‹éš›ã«äºˆã‚ãŠã•ãˆã¦ãŠããŸã„é …ç›®ã‚’ã¾ã¨ã‚ã¦ã¿ã‚‹ã‚¨ãƒ³ãƒˆãƒªã§ã™ã€‚*1 å‹¿è«–ã€OSã‚‚JVMã‚‚ãƒ‡ãƒ•ã‚©ãƒ«ãƒˆã§ã‚ã‚‹ç¨‹åº¦ã®ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹ã¯ç™ºæ®ã§ãã€è¨ˆæ¸¬ã‚’ä¼´ã‚ãªã„ãƒãƒ¥ãƒ¼ãƒ‹ãƒ³ã‚°ã¯æ‚ªæ‰‹ã§ã‚ã‚‹ã“ã¨ã¯ã‚ˆãçŸ¥ã‚‰ã‚Œã¦ã„ã¾ã™ã€‚ ã—ã‹ã—ã€è¨å®šã—ã¦ãŠã‹ãªã„ã¨ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹ã«ãã®ã¾ã¾å½±éŸ¿ã™ã‚‹ã¨åˆ†ã‹ã‚‹ã‚‚ã®ã‚’èª¿ã¹ãªã„ã®ã¯è£¸ã§æˆ¦å ´ã«èµ´ãã‚ˆã†ãªã‚‚ã®ã§ã™ã€‚*2 ã©ã‚“ãªé …ç›®ã‚’ã©ã†å¤‰æ›´ã™ã‚Œã°è‰¯ã„ã®ã‹çŸ¥ã£ã¦ã„ã‚‹ã“ã¨ã¯é‡è¦ãªæ¦å™¨ãªã®ã§ã™ã€‚ ãªãœèª¿ã¹ã‚‹ã®ã‹ ä»Šå›žã€ãƒãƒ¥ãƒ¼ãƒ‹ãƒ³ã‚°ãƒã‚¤ãƒ³ãƒˆã‚’èª¿ã¹ã‚‹ã«ã‚ãŸã£ã¦ã€ç§ã®ãƒ¢ãƒãƒ™ãƒ¼ã‚·ãƒ§ãƒ³ã¯ã©ã“ã«ã‚ã‚‹ã®ã‹ã‚’è€ƒãˆã‚‹ã¨ã€ä»¥ä¸‹ã®è¦ä»¶ã‚’æº€ãŸã—ãŸã„ã¨ã„ã†ã“ã¨ãŒã‚ã’ã‚‰ã‚Œã¾ã™ã€‚ ã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã¨ã—ã¦æ±‚ã‚ã‚‰ã‚Œã‚‹å“è³ªæ°´æº–ã¨ã—ã¦å‹•ä½œã™ã‚‹ â†’ æ€§èƒ½ç›®æ¨™ ç•°å¸¸æ™‚ã«äº‹è±¡ã‚’è¿½ã†ã“ã¨ãŒã§ãã‚‹ ã“ã“ã§ã„ã†å“è³ªæ°´æº–ãƒ»ç•°å¸¸ã¨ã¯ã€ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹ãŒæ˜Žã‚‰ã‹ã«ä½Žã„ã€ã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ãŒã‚¯ãƒ©ãƒƒã‚·ãƒ¥ã™
pochi-mk 2017/11/07
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JVM

java

ãƒãƒ¥ãƒ¼ãƒ‹ãƒ³ã‚°

performance

ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹
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Java Just-In-Timeã‚³ãƒ³ãƒ‘ã‚¤ãƒ©ã®å®Ÿè£…æŠ€è¡“
1. 2016å¹´9æœˆ6æ—¥ çŸ³å´Ž ä¸€æ˜Ž http://ibm.biz/ishizaki [email protected] æ—¥æœ¬ã‚¢ã‚¤ãƒ»ãƒ“ãƒ¼ãƒ»ã‚¨ãƒ ï¼ˆæ ªï¼‰ æ±äº¬åŸºç¤Žç ”ç©¶æ‰€ ï¼ˆè³‡æ–™ä½œæˆå”åŠ›ï¼šäº•ä¸Šæ‹“ã€å¤§å¹³æ€œã€å°ç¬ åŽŸæ¦å²ã€è…æ²¼ä¿Šå¤«ã€ä»²æ± å“ä¹Ÿï¼‰ PPLã‚µãƒžãƒ¼ã‚¹ã‚¯ãƒ¼ãƒ«2016ã€Œå•†ç”¨Javaå‡¦ç†ç³»ã®ç ”ç©¶é–‹ç™ºã€ Java Just-In-Timeã‚³ãƒ³ãƒ‘ã‚¤ãƒ©ã®å®Ÿè£…æŠ€è¡“ 1 Java Just-In-Timeã‚³ãƒ³ãƒ‘ã‚¤ãƒ©ã®å®Ÿè£…æŠ€è¡“ ï¼ çŸ³å´Ž ä¸€æ˜Ž JavaTMãŠã‚ˆã³ã™ã¹ã¦ã®Javaé–¢é€£ã® å•†æ¨™ãŠã‚ˆã³ãƒã‚´ã¯Oracleã‚„ãã®é–¢é€£ ä¼šç¤¾ã®ç±³å›½ãŠã‚ˆã³ãã®ä»–ã®å›½ã«ãŠ ã‘ã‚‹å•†æ¨™ã¾ãŸã¯ç™»éŒ²å•†æ¨™ã§ã™ 2. Â© 2016 IBM Corporation å•†ç”¨Javaå‡¦ç†ç³»ã®ç ”ç©¶é–‹ç™º 2 Java Just-In-Timeã‚³ãƒ³ãƒ‘ã‚¤ãƒ©ã®å®Ÿè£…æŠ€è¡“ ï¼ çŸ³å´Ž ä¸€æ˜Ž2016/09/06 æ¦‚è¦ï¼šæ—¥æœ¬ã‚¢ã‚¤ãƒ»ãƒ“ãƒ¼ãƒ»ã‚¨ãƒ ï¼ˆæ ªï¼‰æ±äº¬åŸºç¤Žç ”ç©¶æ‰€ã¯Javaè¨€èªžã®
pochi-mk 2017/06/25
JVM

Java

ã‚³ãƒ³ãƒ‘ã‚¤ãƒ©
ãƒªãƒ³ã‚¯
Jvmè¨€èªžã¨Javaã€åˆ‡ã£ã¦ã‚‚åˆ‡ã‚Œãªã„ãã®é–¢ä¿‚
37. 1996å¹´Kawa,NetRexx 2000å¹´Jython 2001å¹´Scala 2002å¹´Nice,Gosu 2003å¹´JSR223(Scripting for the Java)Review Ballot 2003å¹´Groovy 2003å¹´JSR223(Scripting for the Java)Final Release 2005å¹´Fantom(Fan) 2.JVMè¨€èªžã®æ´å² 2004å¹´JSR241(the Groovy Programming Language) ->Dormant JudoScript,Jamaica 2006å¹´JRuby 2006å¹´JSR292(invoke dynamic)Review Ballot 2007å¹´Clojure 2011å¹´Kotlin,Frege,miragh,Ceylon 2011å¹´JSR292(invoke dynamic)Fina
pochi-mk 2017/06/04
ã‚ã¨ã§èªã‚€

Java

JVM

Clojure
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Javaã®é€²åŒ–ã«ã¨ã‚‚ãªã†é‹ç”¨æ€§ã®å‘ä¸Šã¯ã‚·ã‚¹ãƒ†ãƒ è¨è¨ˆã«ã©ã†ã„ã†å¤‰åŒ–ã‚’ã‚‚ãŸã‚‰ã™ã®ã‹
8. NullPointerExceptionã®å…¸åž‹ä¾‹ HttpSession session = request.getSession(); User user = session.getAttribute("user"); if (user.isAdmin()) { // ... } ã“ã“ã§NullPointerExceptionç™ºç”Ÿ å¼•æ•°ãªã—ã§getSessionã‚’å‘¼ã¶ã®ã§ã‚»ãƒƒã‚·ãƒ§ãƒ³ãŒãªã„ å ´åˆã¯ç©ºã®ã‚‚ã®ãŒä½œã‚‰ã‚Œã‚‹ ç©ºã®Sessionã®å ´åˆã€userã¯nullã«ãªã‚‹ã€‚ 9. Guard against null HttpSession session = request.getSession(false); if (session == null) { response.sendRedirect(LOGIN_URL); return; } User user = session.ge
pochi-mk 2016/05/27
Java

slide

jvm
ãƒªãƒ³ã‚¯
GitHub - ReadyTalk/avian: [INACTIVE] Avian is a lightweight virtual machine and class library designed to provide a useful subset of Java's features, suitable for building self-contained applications.
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pochi-mk 2015/11/10
A lightweight alternative to Java

JVM

Java

programming
ãƒªãƒ³ã‚¯
JITã‚³ãƒ³ãƒ‘ã‚¤ãƒ«ã¯ã˜ã‚ã®ä¸€æ©
3. é˜ªç”° æµ©ä¸€ æ–‡å¦éƒ¨å“²å¦ç§‘å’ 3 @jyukutyo è‘—æ›¸ 3å†Š é–¢è¥¿Java ã‚¨ãƒ³ã‚¸ãƒ‹ã‚¢ã®ä¼š (é–¢ã‚¸ãƒ£ãƒ) ç™ºèµ·äººãƒ»é‹å–¶ Fight the Future http://jyukutyo.hatena blog.com/ ãƒ•ãƒªãƒ¥ãƒ¼æ ªå¼ä¼šç¤¾ æ‰€å±ž ãƒ—ãƒªæ©Ÿã¨é€£æºã™ã‚‹ ç”»åƒSNSã€Œãƒ”ã‚¯ãƒˆãƒªãƒ³ã‚¯ã€ é–‹ç™ºãƒ»é‹ç”¨ã«å¾“äº‹. ä¼šå“¡æ•°800ä¸‡äººï¼ ScalaMatsuri ã‚¹ãƒãƒ³ã‚µãƒ¼ä¼æ¥ï¼ ã‚¨ãƒ³ã‚¸ãƒ‹ã‚¢æ´11å¹´ 35æ³ SIæ¥ç•Œã§ã®å®¢å…ˆå¸¸é§ 9å¹´ Webç³»? 2å¹´å¼· å¡¾è¬›å¸«ã‚¢ãƒ«ãƒã‚¤ãƒˆ
pochi-mk 2014/10/28
jit

java

development

jvm

ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°

ã‚³ãƒ³ãƒ‘ã‚¤ãƒ©

programming
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Java 8 ã®ãƒ’ãƒ¼ãƒ—ãƒ¢ãƒ‹ã‚¿ãƒªãƒ³ã‚°
Presentation Slides at Java 8 HotSpot meeting http://kanjava.connpass.com/event/8860/
pochi-mk 2014/10/24
ã‚ã¨ã§èªã‚€

jvm

Java

monitoring

metaspace
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ã€ŒJVM Operation Casual Talksã€ç™ºè¡¨è³‡æ–™ã®ãƒªãƒ³ã‚¯ã‚’ã¾ã¨ã‚ã¦ã¿ã‚‹ #jvmcasual - å…ƒRX-7ä¹—ã‚Šã®é©å½“ãªæ—¥ã€…
4/7ã«ã€LINEã•ã‚“ã®ã‚ªãƒ•ã‚£ã‚¹ã§é–‹å‚¬ã•ã‚ŒãŸã€ŒJVM Operation Casual Talksã€ã€‚ ä¸€éƒ¨ã§ã€Cassandra Casualã ã£ãŸã®ã§ã¯ãªã„ã‹ã¨ã„ã†ç–‘æƒ‘ã‚‚ã‚ã‚Šã¾ã—ãŸãŒã€ãªã‹ãªã‹ãŸã‚ã«ãªã‚‹è©±ãŒå¤šãã¦ã€ã‚ã¨ã§ãã£ã¨è³‡æ–™ã‚’è¦‹ãŸããªã‚‹æ—¥ãŒæ¥ãã†ãªã®ã§ã€ã¡ã‚‡ã£ã¨ã¾ã¨ã‚ã¦ãŠã“ã†ã¨æ€ã†ã€‚ ã“ã¡ã‚‰ã‚‚ã‚ã‚ã›ã¦èªã¿ãŸã„ JVM Operation Casual Talks #jvmcasual - Togetter Understanding Memory Management of JavaVMâ€¨ in 15 minutes (@stanakaã•ã‚“) https://speakerdeck.com/stanaka/understanding-memory-management-of-javavm-in-15-minutes @stanakaã•ã‚“ã€ã©ã“ã§JVMä½¿ã£ã¦ã‚‹ã®ã‹ã¨æ€ã£ãŸã‚‰ã€ä»Šæ—¥ã¯
pochi-mk 2014/04/08
JVM

Java

jvmcasual
ãƒªãƒ³ã‚¯
Groovyã‹ã‚‰.NETã®ã‚¢ã‚»ãƒ³ãƒ–ãƒªã‚’å‘¼ã³å‡ºã—ãŸã‚Šã—ã¦ã¿ãŸ - äº€å²¡çš„ãƒ—ãƒã‚°ãƒ©ãƒžæ—¥è¨˜
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pochi-mk 2013/12/30
groovy

.net

C#

Java

ikvm

framework

ãƒ©ã‚¤ãƒ–ãƒ©ãƒª

JVM

programming

ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°
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JJUG CCC 2013 Fallã€ŒJVMã‚³ãƒ¼ãƒ‰ãƒªãƒ¼ãƒ‡ã‚£ãƒ³ã‚°å…¥é–€ã€è³‡æ–™å…¬é–‹ - è™Žå¡š
åœŸæ›œã«JJUG CCC 2013 Fallï¼ˆhttp://www.java-users.jp/?page_id=695ï¼‰ã¸è¡Œã£ã¦ãã¾ã—ãŸã€‚ äº‹å‰ã«ãŠçŸ¥ã‚‰ã›ã™ã‚‹ã®ã‚’å¿˜ã‚Œã¦ã„ã¾ã—ãŸãŒã€17:15ã€œ18:05ã®ã‚»ãƒƒã‚·ãƒ§ãƒ³ã§JVMã®ã‚½ãƒ¼ã‚¹ã‚³ãƒ¼ãƒ‰ãƒªãƒ¼ãƒ‡ã‚£ãƒ³ã‚°ã«ã¤ã„ã¦ãŠè©±ã—ã—ã¾ã—ãŸã®ã§ã€ç™ºè¡¨è³‡æ–™ã‚’å…¬é–‹ã—ã¾ã™ã€‚ R5-5 JVMã‚³ãƒ¼ãƒ‰ãƒªãƒ¼ãƒ‡ã‚£ãƒ³ã‚°å…¥é–€ ã€œJVMã®OSæŠ½è±¡åŒ–ãƒ¬ã‚¤ãƒ¤ãƒ¼ã«ã¤ã„ã¦ã€œ JVMã®ã‚³ãƒ¼ãƒ‰ã‚’èªã¿ã¯ã˜ã‚ãŸã°ã‹ã‚Šã®æ–¹ã‚’å¯¾è±¡ã«ã€JVMã¨OSã®ãƒ¡ãƒ¢ãƒªã‚’ä¸å¿ƒã¨ã—ãŸé–¢ä¿‚æ€§ã«ã¤ã„ã¦ãŠè©±ã—ã—ã¾ã™ã€‚JVMã¯OSã‹ã‚‰ã©ã®ã‚ˆã†ã«ãƒ¡ãƒ¢ãƒªã‚’ç¢ºä¿ã—ã¦ã„ã‚‹ã®ã§ã—ã‚‡ã†ã‹ï¼Ÿ ãã‚“ãªç´ æœ´ãªç–‘å•ã‚’ã‚‚ã¨ã«ã€JVMã®ã‚³ãƒ¼ãƒ‰ã‚’æ¥½ã—ãè¿½ã„ã‹ã‘ã¦ã¿ã¾ã—ã‚‡ã†ã€‚â€»ã“ã®ã‚»ãƒƒã‚·ãƒ§ãƒ³ã¯å…¥é–€è€…å‘ã‘ã§ã™ã€‚ãƒã‚¤ãƒˆã‚³ãƒ¼ãƒ‰ã‚„GCã«ã¤ã„ã¦ã¯æ‰±ã„ã¾ã›ã‚“ã€‚ è™Žå¡š (ã•ãã‚‰ã°çµ„) http://www.java-users.jp/?page_id=709#r5-
pochi-mk 2013/11/12
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JVM

ã‚³ãƒ¼ãƒ‰ãƒªãƒ¼ãƒ‡ã‚£ãƒ³ã‚°

java

OS
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Vert.x ãŒã„ã„ãï¼ï¼ˆç¬¬1å›žï¼šå…¥é–€ã™ã‚‹ï¼‰ - Taste of Tech Topics
id:KenichiroMurataã§ã™ã€‚ æœ€è¿‘2.0ãŒãƒªãƒªãƒ¼ã‚¹ã•ã‚ŒãŸVert.xã«ã¤ã„ã¦ã€çš†ã•ã‚“ã”å˜ã˜ã§ã—ã‚‡ã†ã‹ï¼Ÿ Vert.xã¯ä¸€è¨€ã§è¡¨ç¾ã™ã‚‹ã¨ã€ Vert.x is a polyglot, non-blocking, event-driven application platform that runs on the JVM. ã§ã™ï¼ˆå…¬å¼ã‚µã‚¤ãƒˆã‚ˆã‚Šå¼•ç”¨ï¼‰ã€‚ JVMä¸Šã§ã®non-blockingã§event-drivenãªãƒ—ãƒ©ãƒƒãƒˆãƒ•ã‚©ãƒ¼ãƒ ãªæ‰€ãŒç§ã®ãŠæ°—ã«å…¥ã‚Šãƒã‚¤ãƒ³ãƒˆã§ã™ï¼ã¾ãã€Javaå±‹ã•ã‚“ã§ã™ã‹ã‚‰ãã€‚ã†ã¡ã¯ã€‚ ãã‚“ãªãŠæ°—ã«å…¥ã‚Šã®Vert.xã«ã¤ã„ã¦ã€ã“ã‚Œã‹ã‚‰æ•°å›žã«åˆ†ã‘ã¦æœ¬ãƒ–ãƒã‚°ã«ã¦è¨˜äº‹ã‚’æ›¸ã„ã¦è¡Œã“ã†ã¨æ€ã„ã¾ã™ã€‚ Vert.xã‚’çŸ¥ã‚‹ Vert.xã‚’çŸ¥ã‚‹ã«ã¯ã€ãƒ‰ã‚ãƒ¥ãƒ¡ãƒ³ãƒˆãŒå……å®Ÿã—ãŸå…¬å¼ã‚µã‚¤ãƒˆã‚’èªã‚€ã®ãŒä¸€ç•ªã§ã™ã€‚ã§ã™ãŒã€ãƒœãƒªãƒ¥ãƒ¼ãƒ ãŒã‹ãªã‚Šã‚ã‚‹ã®ã§ã€ã‚ªã‚¹ã‚¹ãƒ¡ã®ã‚µã‚¤ãƒˆã‚’ç´¹ä»‹ã—ã¾ã™ã€‚ vert.
pochi-mk 2013/11/08
programming

java

jvm

vert.x
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ãƒžãƒ«ãƒã‚³ã‚¢æ™‚ä»£ã®ãƒ—ãƒã‚°ãƒ©ãƒžã¯é–¢æ•°è„³ã«ãªã‚ã†ã€œScalaãƒ»Clojureã€œ - Tech-Sketch
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pochi-mk 2013/08/26
Clojure

ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°è¨€èªž

Programming

ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°

é–¢æ•°åž‹

é–¢æ•°åž‹è¨€èªž

Scala

java8

JVM

Java
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Javaã§ãƒ’ãƒ¼ãƒ—é ˜åŸŸã‚’ä½™ã‚‰ã›ãŸã¾ã¾OutOfMemoryErrorã‚’å‡ºã™æ–¹æ³• - è¥¿å°¾æ³°å’Œã®ã¯ã¦ãªãƒ€ã‚¤ã‚¢ãƒªãƒ¼
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pochi-mk 2013/03/24
ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°

OutOfMemoryError

GC

JVM

classloader

Java
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Inside The Java Virtual Machine
The document discusses a programming project in Java. It includes code for a Main class with a main method that prints "Hello World". There are also hexadecimal strings and copyright notices from the company Plugram, Inc. suggesting it is describing how to set up and run a simple Java program.Read less
pochi-mk 2013/01/12
java

slideshare

è³‡æ–™

JVM

programming

ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°
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Javaã‚’C#ã«å¤‰æ…‹ã•ã›ã‚‹ã€‚ #hentai_advent - äº€å²¡çš„ãƒ—ãƒã‚°ãƒ©ãƒžæ—¥è¨˜
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pochi-mk 2012/12/20
ä»ŠIKVMãŒã‚¢ãƒ„ã„ã‚ˆã†ã ã€‚

Groovy

.NET

Java

c#

jvm

mono
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jark
Why Jark Startup time of the Java Virtual Machine(JVM) is quite slow and thereby command-line applications on the JVM are sluggish and very painful to use. Jark is an attempt to run a persistent JVM daemon and provide a set of utilities to interact with it. Core Features Interactive Lightweight and can be used by Editors/IDEs. Cross-platform and OS agnostic Server-side plugins Secure Embeddable Se
pochi-mk 2012/10/09
jarkã€çŸ¥ã‚‰ãªã‹ã£ãŸã€‚ä½•åº¦ã‹ groovyserv ã¯ä½¿ã£ãŸã‘ã©ã“ã£ã¡ã®ã»ã†ãŒè‰¯ã„ã‹ï¼Ÿ https://gist.github.com/1764596

Java

jvm

jark

programming
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