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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
ã‚ã¨ã§èªã‚€

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
ãƒªãƒ³ã‚¯
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‚¯
æ¸‹è°·JVM#1 Immutableæ™‚ä»£ã®ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°è¨€èªž Clojure
2. ç‰¹é•· â— Lisp â— é–¢æ•°åž‹ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°ã®ãŸã‚ã®ã‚‚ã® â— ç¢ºå›ºãŸã‚‹ãƒ—ãƒ©ãƒƒãƒˆãƒ•ã‚©ãƒ¼ãƒ ã¨å…±ç”Ÿã™ã‚‹ JVM, .NET, Javascriptä¸Šã§ãã‚Œã‚‰ã®åž‹,GC,ä¾‹å¤–æ©Ÿæ§‹ã‚’åˆ©ç”¨ã— ãªãŒã‚‰å‹•ä½œã™ã‚‹ â— Concurrencyã®ãŸã‚ã«ãƒ‡ã‚¶ã‚¤ãƒ³ã•ã‚ŒãŸ http://clojure.org/rationale
pochi-mk 2015/04/18
ã‚ãªãŸã¨! Clojure! ä»Šã™ã! ã‚¤ãƒŸãƒ¥ãƒ¼ã‚¿ãƒ–ãƒ«! ãƒ¯ãƒã‚¿www

JVM

Clojure

programming

ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°
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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
ãƒªãƒ³ã‚¯
JVM! JVM! JVM!
10. jmc Java Mission Control â— ãƒ¡ãƒ¢ãƒªçµ±è¨ˆã€ã‚¹ãƒ¬ãƒƒãƒ‰æ•°ã€ã‚¯ãƒ©ã‚¹æ•°ã‚’ã‚°ãƒ©ãƒ•ã‚£ã‚«ãƒ«ã«è¡¨ ç¤º â— jconsoleã¨ä¼¼ãŸã‚ˆã†ãªæ„Ÿã˜ã ã‘ã©jmcã®æ–¹ãŒãªã†ã„ï¼Ÿ â— ãƒ€ãƒƒã‚·ãƒ¥ãƒœãƒ¼ãƒ‰ã®ã‚«ã‚¹ã‚¿ãƒžã‚¤ã‚ºï¼ˆã‚°ãƒ©ãƒ•ã®è¿½åŠ ï¼‰ãŒå¯èƒ½ â— Flight Recorderã¨ã„ã†ãƒ—ãƒãƒ•ã‚¡ã‚¤ãƒªãƒ³ã‚°ãƒ„ãƒ¼ãƒ«ãŒã‚ ã‚‹ã€‚ãŒå•†ç”¨ãƒ©ã‚¤ã‚»ãƒ³ã‚¹ãŒå¿…è¦ï¼ˆã‚‰ã—ã„ â— -XX:+UnlockCommercialFeatures -XX:+FlightRecorder â— Eclipseãƒ—ãƒ©ã‚°ã‚¤ãƒ³ã¨ã—ã¦ã‚‚åˆ©ç”¨ã§ãã‚‹ï¼ˆã‚‰ã—ã„
pochi-mk 2014/06/14
JVM

gc

visualization

monitoring

ç›£è¦–
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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
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A REST API in Clojure - IMHO
The true delight is in the finding out rather than in the knowing. -- Isaac Asimov Clojure is one of the most interesting new languages targeting the JVM. Initially only the JVM, in the meantime it is also available for JavaScript. Essentially, you can write Clojure and either execute it as Java program or JavaScript program, of course each flavor has its unique features as well. Clojure is a Lisp
pochi-mk 2014/02/21
Clojure

REST

JVM

lisp

programming

ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°
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‚°
ãƒªãƒ³ã‚¯
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
ç†è§£ã§ãã‚‹æ°—ãŒå…¨ç„¶ã—ãªã„ã‘ã©ã€èªã‚“ã§ã¿ãŸã„æ°—ã«ã¯ãªã‚‹...

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
ãƒªãƒ³ã‚¯
Scalaç¨Ÿè°ã®é€šã—æ–¹ï¼ˆå…¬é–‹ç‰ˆï¼‰
22. Scalaã®ãƒ¡ãƒªãƒƒãƒˆ 1. å°‘ãªã„ã‚³ãƒ¼ãƒ‰é‡ã§ç”Ÿç”£æ€§å‘ä¸Š nï® ä¾‹ Javaã®ä¾‹ List<User> list = new ArrayList<User>(); list.add(user01); .... Collections.sort(list, new Comparator<User>(){ @Override public int compare(User o1, User o2){ return 01.id - o2.id; } }); Scalaã®ä¾‹ val list = List(.... User ....) list sort (_.id < _.id)
pochi-mk 2013/10/20
å°ã•ãªæ¡ˆä»¶ã§ã‚‚ã„ã„ã®ã§Clojureã‚„ã‚ŠãŸã„â€¦

JVM

Scala
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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
å‰å›ž ã®è¨˜äº‹ã§ã¯ã€é–¢æ•°åž‹ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°ã®æ¦‚å¿µã¨Java8ã«ã‚ˆã‚‹å®Ÿè£…ä¾‹ã‚’ç¤ºã—ã¾ã—ãŸã€‚ã—ã‹ã—Java8ã®ãƒªãƒªãƒ¼ã‚¹ã¯æ¥å¹´ã¾ã§å»¶æœŸã•ã‚Œã¦ã—ã¾ã£ãŸãŸã‚ã€ä»Šã™ãè©¦ã—ã¦ã¿ã‚‹ã«ã¯å°‘ã—ãƒãƒ¼ãƒ‰ãƒ«ãŒé«˜ã„ã‹ã‚‚ã—ã‚Œã¾ã›ã‚“ã€‚ ãã“ã§ä»Šå›žã¯ã€Java7ã®JVMä¸Šã§å‹•ä½œã™ã‚‹ä»£è¡¨çš„ãªé–¢æ•°åž‹ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°è¨€èªžã€ Scala ã¨ Clojure ã‚’ç´¹ä»‹ã—ã¾ã™ã€‚ Scalaã¨ã¯ ã§ã¯ã€ Scala ã‹ã‚‰ç´¹ä»‹ã—ã¾ã—ã‚‡ã†ã€‚ Scalaã¯JVMä¸Šã§å‹•ä½œã™ã‚‹ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°è¨€èªžã§ã€é–¢æ•°åž‹ã®ç‰¹å¾´ã¨ã‚ªãƒ–ã‚¸ã‚§ã‚¯ãƒˆæŒ‡å‘ã®ç‰¹å¾´ã‚’åˆã‚ã›æŒã£ãŸã€æ¬²å¼µã‚Šãªè¨€èªžã§ã™ã€‚ JVMä¸Šã§å‹•ä½œã™ã‚‹ãŸã‚ã€æ—¢å˜ã®è†¨å¤§ãªJavaãƒ©ã‚¤ãƒ–ãƒ©ãƒªã‚’ãã®ã¾ã¾æµç”¨ã§ãã€JVMã®ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹ãƒãƒ¥ãƒ¼ãƒ‹ãƒ³ã‚°ãƒŽã‚¦ãƒã‚¦ã‚’æœ€å¤§é™æ´»ç”¨ã™ã‚‹ã“ã¨ãŒã§ãã¾ã™ã€‚ã¾ãŸJavaã‚ˆã‚Šã‚‚è±Šå¯Œãªè¨˜è¿°å½¢å¼ã‚’æŒã¡ãªãŒã‚‰ã‚‚Javaã‚ªãƒ–ã‚¸ã‚§ã‚¯ãƒˆã‚’ãã®ã¾ã¾æ‰±ãˆã€å¼·åŠ›ãªåž‹æŽ¨è«–ã‚’æŒã£ãŸé™çš„åž‹ä»˜ã‘è¨€èªžã§ã‚‚ã‚ã‚‹ãŸã‚ã€å®šåž‹çš„ã§å†—
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
ãƒªãƒ³ã‚¯
Javaã§ãƒ’ãƒ¼ãƒ—é ˜åŸŸã‚’ä½™ã‚‰ã›ãŸã¾ã¾OutOfMemoryErrorã‚’å‡ºã™æ–¹æ³• - è¥¿å°¾æ³°å’Œã®ã¯ã¦ãªãƒ€ã‚¤ã‚¢ãƒªãƒ¼
å…ˆæ—¥ã€ã“ã‚“ãªå•é¡Œã‚’è¦‹ã‹ã‘ãŸã®ã ã‘ã©ã‚‚ã€Javaã®GCã«ã¯ã‚ã¾ã‚Šè©³ã—ããªã„ã®ã§ç”ãˆãŒã‚ã‹ã‚‰ãªã‹ã£ãŸã€‚ OutOfMemoryErrorãŒç™ºç”Ÿã—ã¾ã—ãŸã€‚(ä¸ç•¥)ãƒ’ãƒ¼ãƒ—ãƒ¡ãƒ¢ãƒªã¯è¶³ã‚Šã¦ã„ã‚‹ã‚ˆã†ã§ã™ã€‚åŽŸå› ã¨ã—ã¦ä½•ãŒè€ƒãˆã‚‰ã‚Œã¾ã™ã‹ï¼Ÿ http://d.hatena.ne.jp/iad_otomamay/20130318/1363596244 ãªã‚“ã§ã ã‚ã†ãªãã¨æ€ã£ã¦ã„ãŸã¨ã“ã‚id:moriyoshiãŒã€ŒPermanenté ˜åŸŸãŒã‚ãµã‚ŒãŸã‚“ã˜ã‚ƒãªã„ã®ã€ã¨ä¸€è¨€ã€‚ã€ŒPermanenté ˜åŸŸã€ã§æ¤œç´¢ã—ã¦ã¿ã‚‹ã¨ã€ãªã‚‹ã»ã©ã€ãã†ã„ã†ã“ã¨ãªã®ã‹ãƒ¼ã€‚ ã¨ã„ã†ã‚ã‘ã§æ—©é€Ÿãã‚Œã‚’å†ç¾ã•ã›ã‚‹ã‚³ãƒ¼ãƒ‰ã‚’æ›¸ã„ã¦ã¿ãŸã€‚ãƒ’ãƒ¼ãƒ—ã®å¤§éƒ¨åˆ†ãŒãŒã‚‰ç©ºããªã®ã«Permanenté ˜åŸŸã ã‘99%ã«ãªã£ã¦ã„ã‚‹ã®ãŒã‚ã‹ã‚‹ã‹ã¨æ€ã†ã€‚ Exception in thread "main" [Full GC [Tenured: 515K->515K(56896K
pochi-mk 2013/03/24
ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°

OutOfMemoryError

GC

JVM

classloader

Java
ãƒªãƒ³ã‚¯
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‚°
ãƒªãƒ³ã‚¯
Javaã‚’C#ã«å¤‰æ…‹ã•ã›ã‚‹ã€‚ #hentai_advent - äº€å²¡çš„ãƒ—ãƒã‚°ãƒ©ãƒžæ—¥è¨˜
ã“ã®è¨˜äº‹ã¯å¤‰æ…‹ã‚¢ãƒ‰ãƒ™ãƒ³ãƒˆã‚«ãƒ¬ãƒ³ãƒ€ãƒ¼20æ—¥ç›®ã®è¨˜äº‹ã§ã™ã€‚ æ˜¨æ—¥ã¯inatonã•ã‚“ã® d:id:motefu:20121219 ã§ã—ãŸã€‚ãƒ»ãƒ»ãƒ»æ™®é€šã«å½¹ã«ç«‹ã¤ã‚“ã§ã™ãŒã€‚ä»Šå›žã®åƒ•ã®è¨˜äº‹ã©ã†ã—ã¾ã—ã‚‡ã†ã€‚ å¤‰æ…‹ã‚¢ãƒ‰ãƒ™ãƒ³ãƒˆã‚«ãƒ¬ãƒ³ãƒ€ãƒ¼ã€æ¥½ã—ã„ã§ã™ãã€‚ã—ã‹ã—ãªãŒã‚‰ã€ã¿ãªã•ã‚“å¤‰æ…‹ã®æ„å‘³ã‚’å–ã‚Šé•ãˆã¦ãŠã„ã§ã§ã¯ãƒ»ãƒ»ãƒ»ï¼Ÿ å¤‰æ…‹ã¨ã¯ã€ãƒ¡ã‚¿ãƒ¢ãƒ«ãƒ•ã‚©ãƒ¼ã‚¼ã§ã™ã€‚ã‚ã‚‹ã‚‚ã®ã®å½¢ãŒä½•ã‹ã‚’é€šã—ã¦å¤‰ã‚ã‚‹ã“ã¨ã‚’ã•ã—ã¾ã™ã€‚ä¾‹ãˆã°ã€èŠ‹è™«ã¯è¶ã«å¤‰æ…‹ã—ã¾ã™ã—ã€ã‚ªã‚¿ãƒžã‚¸ãƒ£ã‚¯ã‚·ã¯ã‚«ã‚¨ãƒ«ã«å¤‰æ…‹ã—ã¾ã™ã—ã€daiksyã•ã‚“ã¯å¤‰æ…‹ã«å¤‰æ…‹ã™ã‚‹ã‚ã‘ã§ã™ã€‚ã‚ã‚Œã‚Œï¼Ÿ ãã‚“ãªã‚ã‘ã§ã€å¤‰æ…‹ã•ã›ã¾ã™ã€‚Javaã‚’ã€C#ã«ã€‚ Javaã‚’C#ã«å¤‰æ…‹ã•ã›ã‚‹æ–¹æ³•ã‚ã‚Œã“ã‚Œã€‚ Javaã‚’C#ã«å¤‰æ…‹ã•ã›ã‚‹æ–¹æ³•ã¨ã—ã¦ãƒ‘ãƒƒã¨æ€ã„æµ®ã‹ã¶ã®ã¯ã¯ã‚‹ã‹æ˜”ã®Visual Studioã«ã¤ã„ã¦ããŸJ#ã§ã™ãã€‚ã—ã‹ã—ã“ã‚Œã¯ã‚‚ã¯ã‚„é»’æ´å²ã«è¿‘ã„ã®ã§ã“ã“ã§ã¯è§¦ã‚Œãªã„ã§ãŠãã¾ã—ã‚‡ã†ã€‚*1*2 Java Nat
pochi-mk 2012/12/20
ä»ŠIKVMãŒã‚¢ãƒ„ã„ã‚ˆã†ã ã€‚

Groovy

.NET

Java

c#

jvm

mono
ãƒªãƒ³ã‚¯
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
ãƒªãƒ³ã‚¯
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