[B! Java] msuharaã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯

msuhara id:msuhara

Javaã«é–¢ã™ã‚‹msuharaã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (63)

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Javaãƒ—ãƒã‚°ãƒ©ãƒžãƒ¼ã®ãŸã‚ã®Goè¨€èªžå…¥é–€ | ãƒ•ãƒ¥ãƒ¼ãƒãƒ£ãƒ¼æŠ€è¡“ãƒ–ãƒã‚°
Java ãƒ—ãƒã‚°ãƒ©ãƒžãƒ¼ã®ãŸã‚ã®Goè¨€èªžå…¥é–€ã“ã¡ã‚‰ã¯Java to Go in-depth tutorialã®æ—¥æœ¬èªžè¨³ã§ã™ åŽŸæ–‡ã®è‘—è€…ã«è¨±è«¾ã‚’å¾—ã¦ç¿»è¨³ãƒ»å…¬é–‹ã„ãŸã—ã¾ã™ã€‚ ã“ã®ãƒãƒ¥ãƒ¼ãƒˆãƒªã‚¢ãƒ«ã¯ã€Java ãƒ—ãƒã‚°ãƒ©ãƒžãƒ¼ãŒã™ã°ã‚„ãGoè¨€èªžã«ã‚ãƒ£ãƒƒãƒã‚¢ãƒƒãƒ—ã§ãã‚‹ã‚ˆã†ã«ã™ã‚‹ã“ã¨ã‚’ç›®çš„ã¨ã—ã¦ã„ã¾ã™ã€‚ ç›®æ¬¡ Hello stack ä¸»ãªé•ã„ ã‚·ãƒ³ã‚¿ãƒƒã‚¯ã‚¹ï¼ˆæ–‡æ³•ï¼‰ å®šæ•° æ§‹é€ ä½“ ãƒã‚¤ãƒ³ã‚¿ ã‚¹ãƒ©ã‚¤ã‚¹ å€¤ã®ä½œæˆ ãƒ¡ã‚½ãƒƒãƒ‰ã¨ã‚¤ãƒ³ã‚¿ãƒ¼ãƒ•ã‚§ãƒ¼ã‚¹ ã‚¨ãƒ©ãƒ¼ Panicã¨Recover ã‚´ãƒ«ãƒ¼ãƒãƒ³ã¨ãƒãƒ£ãƒãƒ« Hello server Hello stack 1ã¾ãšã¯ã˜ã‚ã«ç°¡å˜ãªä¾‹ã‚’è¦‹ã¦ã„ãã¾ã—ã‚‡ã†ã€‚ã“ã®ä¾‹ã§ã¯ã‚·ãƒ³ãƒ—ãƒ«ãªæŠ½è±¡ãƒ‡ãƒ¼ã‚¿åž‹ã‚’Goã§å®Ÿè£…ã—ã¦ã„ã¾ã™ã€‚ // collectionãƒ‘ãƒƒã‚±ãƒ¼ã‚¸ã¯stringåž‹ã‚’æ ¼ç´ã§ãã‚‹ã‚¹ã‚¿ãƒƒã‚¯ã‚’å®Ÿè£…ã—ã¦ã„ã‚‹ package collection // Stackã®ã‚¼ãƒå€¤ã¯ã™ãã«ä½¿ç”¨ã§ãã‚‹ç©ºã®ã‚¹
msuhara 2020/03/11
éƒ·ã§ã™

java

golang
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msuhara 2018/11/05
java

enum
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Stream#map()ã¨Stream#collect()ã‚’ä½¿ã£ã¦Listã‚’ç”Ÿæˆã™ã‚‹
msuhara 2018/10/27
java

Stream API
ãƒªãƒ³ã‚¯
ãƒ«ãƒ¼ãƒ—å†…ã§å¤‰æ•°ã‚’å®£è¨€ã—ãªã„æ–¹ãŒè‰¯ã„ã®ã‹ - ç™ºç«å¾Œå¿˜å¤±
è¦ã™ã‚‹ã«ã€Javaã§ä¸‹è¨˜ã‚³ãƒ¼ãƒ‰myMethod1ã®å¤‰æ•°iã‚„twiceã¿ãŸã„ã«ã€ãƒ«ãƒ¼ãƒ—ã®ä¸ã§å¤‰æ•°ã‚’å®£è¨€ã™ã‚‹ã¨myMethod2ã®ã‚ˆã†ã«ãƒ«ãƒ¼ãƒ—ã®å¤–ã§å®£è¨€ã™ã‚‹ã‚ˆã‚Šã‚³ã‚¹ãƒˆãŒã‹ã‹ã‚‹ã‚“ã˜ã‚ƒãªã‹ã‚ã†ã‹ã€ã¨ã„ã†ç–‘å•ã§ã™ã€‚ public void myMethod() { for (int i = 0; i < 10; i++) { int twice; twice = i * 2; System.out.println(twice); } } public void myMethod2() { int i; int twice; for (i = 0; i < 10; i++) { twice = i * 2; System.out.println(twice); } } ç§ã®ã‚¤ãƒ¡ãƒ¼ã‚¸ã¯ã€ (è¨€èªžã¯é•ã„ã¾ã™ãŒ)ã“ã¡ã‚‰ã«æ›¸ã‹ã‚Œã¦ã„ã‚‹ã‚ˆã†ã«ã€å¤‰æ•°å®£è¨€ã™ã‚‹ã®ã«ä½•ã‚‰ã‹ã®å‘½ä»¤ãŒç™ºç”Ÿã™ã‚‹ã®ã§ã€ã‚ãšã‹ã ãŒã‚³ã‚¹ãƒˆã¯å¢—ãˆã‚‹
msuhara 2018/10/23
å¤‰æ•°ã®ãƒ«ãƒ¼ãƒ—å†…å®£è¨€

java

ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹
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è¨›ã‚Šã®ãªã„ Java è¨€èªžã‚’è©±ã™ã€€â€•ã€€Java ã«è»¢å‘ã—ãŸãƒ—ãƒã‚°ãƒ©ãƒžãƒ¼ã®ãŸã‚ã®ãƒŠãƒãƒ¥ãƒ©ãƒ«ãª Java è¡¨ç¾
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.
msuhara 2018/10/23
å¤‰æ•°ã®ãƒ«ãƒ¼ãƒ—å†…å®£è¨€

java

ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹
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msuhara 2018/10/23
å¤‰æ•°ã®ãƒ«ãƒ¼ãƒ—å†…å®£è¨€

java

ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹
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2016-12-24 Tags: java æ—©ã„è©± MacOSã¨Oracle JDK 8u65 ä»¥ä¸Šã®çµ„ã¿åˆã‚ã›ã ã¨ã€ãŸã„ã¦ã„ã®Javaã‚¢ãƒ—ãƒªã¯ã‚„ãŸã‚‰é…ããªã‚‹ã‚ˆã†ã§ã™ã€‚MacOSã«JDKã‚’ã„ã‚Œã¦Eclipseã‚„IntelliJã§Javaã‚’æ›¸ã„ã¦ã„ã‚‹äººã¯è¦æ³¨æ„ã§ã™ã€‚Sierraã§ã®ç¾è±¡ã§ã™ãŒã€El Capitanã§ã‚‚åŒã˜ã‹ã‚‚ã—ã‚Œã¾ã›ã‚“ã€‚ 2016/12ç¾åœ¨ã®æœ€æ–°ç‰ˆã§ã‚ã‚‹8u112ã§ã‚‚è§£æ¶ˆã•ã‚Œã¦ã„ã¾ã›ã‚“ã§ã—ãŸã€‚ä¸€ç•ªç¢ºå®Ÿã«è§£æ¶ˆã™ã‚‹æ–¹æ³•ã¯ã€Oracle JDK 8u51ã¾ã§æˆ»ã‚‹ã“ã¨ã§ã™ã€‚å°‘ãªãã¨ã‚‚ç§ã®ç’°å¢ƒã§ã¯ãã‚Œã§è§£æ±ºã—ã¾ã—ãŸã€‚ ã“ã¨ã®ç™ºç«¯ ç§‹ã«ã‚ˆã†ã‚„ãMacBookã®æ–°è£½å“ãŒç™ºè¡¨ã•ã‚ŒãŸã®ã§ã€ã‚„ã‚„å¹´å£ã®å…¥ã£ãŸé–‹ç™ºç”¨ã®PCã‚’è²·ã„æ›ãˆãŸã‚¨ãƒ³ã‚¸ãƒ‹ã‚¢ã¯å¤šã„ã®ã§ã¯ãªã„ã§ã—ã‚‡ã†ã‹ã€‚ç§ã‚‚ãã®ä¸€äººã§ã™ã€‚ ESCã‚ãƒ¼ãŒç„¡ã„!ã¨ã„ã†æ–°Mac Book Proã®å¤§èƒ†ãªãƒ‡ã‚¶ã‚¤ãƒ³ã«è‹¥å¹²ã®ä¸å®‰ã‚’è¦šãˆã¤ã¤ã‚‚ã€æ…£ã‚Œã®å•é¡Œã ãªã€ã¨
msuhara 2018/05/25
mac

java

java8
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MacOSã§JDK8ãŒé‡ã„å•é¡Œ - Qiita
èƒŒæ™¯ MacBook Pro (2016å¹´Touch Barãƒ¢ãƒ‡ãƒ«)ã‚’ä½¿ã£ã¦ã€Eclipseã§é–‹ç™ºã—ã¦ã„ã‚‹ã®ã§ã™ãŒã€Java1.8ã®èµ·å‹•ãŒã‚ã£ã¡ã‚ƒé…ã„...ã€‚ ç§ã®å ´åˆã€Spring Bootã§Maven -> Compile -> Tomcat Run -> Test ã®ã‚ˆã†ãªäº‹ã‚’ã‚„ã£ã¦ã„ã‚‹ã®ã§ã™ãŒã€Tomcatã®èµ·å‹•ã«æ™‚é–“ãŒã‹ã‹ã‚ŠéŽãŽã¡ã‚ƒã†ã€‚ã‚¤ãƒ©ã‚¤ãƒ©ã€‚ ãªã‚“ã¨ã‹ãªã‚‰ãªã„ã‹ãªã¨æ€ã£ã¦èª¿ã¹ã¦ã„ãŸã‚‰ã€è§£æ±ºã™ã‚‹æ–¹æ³•ãŒã‚ã£ãŸã®ã§ã“ã®è¨˜äº‹ã‚’æ›¸ãã¾ã—ãŸã€‚ ã“ã‚Œã®åŽŸå› ã¯ã€stackoverflowã«æƒ…å ±ãŒã‚ã‚Šã¾ã™ã®ã§ã€è©³ã—ãã¯ãã¡ã‚‰ã‚’å‚ç…§ã—ã¦ãã ã•ã„ã€‚ InetAddress.getLocalHost() slow to run (30+ seconds) https://stackoverflow.com/questions/33289695/inetaddress-getlocalhost-slo
msuhara 2018/05/25
mac

java
ãƒªãƒ³ã‚¯
InetAddress.getLocalHost() slow to run (30+ seconds)
msuhara 2018/05/25
mac

java

dns

h2
ãƒªãƒ³ã‚¯
HttpServletRequestã§URLã®æƒ…å ±ã‚’å–å¾— - yummy-yummy
ã‚¢ã‚¬ãƒ†ãƒŠã•ã‚“ã‚‚å¤§çµ¶è³›ã®å‰µã‚‹Javaã®æ£èª¤è¡¨ã®ä¸€ç•ªä¸‹ã«ãƒªã‚¯ã‚¨ã‚¹ãƒˆURLã‚’HttpServletRequestã§å–å¾—ã§ãã‚‹è§£èª¬å›³ãŒã‚ã‚‹ã‚“ã ã‘ã©ã€pathInfoãŒç„¡ã‹ã£ãŸã®ã§è¿½åŠ ã—ãŸå›³ã‚’ä½œæˆã€œ ã‚ã¨ã€getPathTranslated()ã§ /workspace/hogeWebApp/hogePath ã®ã‚ˆã†ã«ã€ãƒªã‚¯ã‚¨ã‚¹ãƒˆURLã«å«ã¾ã‚Œã‚‹pathInfoã‚’è¡¨ã™çµ¶å¯¾ãƒ‘ã‚¹ãŒå–ã‚Œã‚‹ã€‚
msuhara 2017/06/18
ã‚ã‹ã‚Šã‚„ã™ã„

java

servlet

URL
ãƒªãƒ³ã‚¯
Javaãƒ—ãƒã‚°ãƒ©ãƒžãŒåˆã‚ã¦C#(C++++)ã‚’æ›¸ã„ãŸæ™‚ã«é¢é£Ÿã‚‰ã£ãŸã“ã¨ã€‚è¨€èªžä»•æ§˜ã®å·®ç•°ã¾ã¨ã‚ - Qiita
ç°¡å˜ã«ç”»é¢ï¼ˆFormï¼‰ã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã‚’ä½œæˆã§ãã‚‹ï¼ ãã®ç”»é¢ã€Windowsãƒ¦ãƒ¼ã‚¶ãƒ¼ãªã‚‰ã™ãèµ·å‹•ã§ãã‚‹ï¼ ãã‚“ãªC#ã‚’å¦ã¼ã†ã¨æ€ã£ã¦ã€javaãƒ—ãƒã‚°ãƒ©ãƒžãŒå§‹ã‚ã¦C#ã‚’åˆã‚ã¦ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°ã—ã¦æ°—ã«ãªã£ãŸã“ã¨ã‚’ã¾ã¨ã‚ã¾ã—ãŸã€‚ æ–‡å—ãŒå¤šã„ã¨è¦‹ã‚‹æ°—ãŒå¤±ã›ã‚‹ã®ã§ã€ãªã‚‹ã¹ãã‚³ãƒ¼ãƒ‰ã§æ›¸ã„ã¦ã„ã¾ã™ â–¼ã‚³ãƒ³ã‚½ãƒ¼ãƒ«ã‚¢ã‚¦ãƒˆ public class Foo { public static void main(String[] args) { int foo = 10; System.out.println("Hello,java World!"); System.out.println("foo=" + foo); System.out.printf("foo=%s", foo); } } using System; public class Foo{ public static void Main(){ i
msuhara 2017/05/24
java

C#
ãƒªãƒ³ã‚¯
Linuxä¸Šã§Javaã§æ—¥æœ¬èªžã‚’ä½¿ã†ã¨æ–‡å—åŒ–ã‘
JFreeChartã‚’Linuxä¸Šã§å‹•ä½œã•ã›ãŸã‚‰æ—¥æœ¬èªžãŒã€Œè±†è…ã€ã¿ãŸã„ã«ç™½ã„æ£æ–¹å½¢ã«ãªã‚Šã¾ã—ãŸã€‚Windowsä¸Šã ã¨è¡¨ç¤ºã§ãã‚‹ã®ã«ãªãœã ã‚ã†ï¼ŸãŒå‡ºç™ºç‚¹ã§ã™ã€‚java.awtç³»ã§ã‚‚åŒã˜ã“ã¨ãŒèµ·ã“ã‚‹ã‚ˆã†ã§ã™ã€‚ ãƒ•ã‚©ãƒ³ãƒˆã®çŠ¶æ³ã‚’èª¿ã¹ã‚‹ $ fc-list Utopia:style=Bold Italic DejaVu Serif,DejaVu Serif Condensed:style=Condensed,Book DejaVu Serif,DejaVu Serif Condensed:style=Condensed Bold Italic,Bold Italic DejaVu Serif,DejaVu Serif Condensed:style=Condensed Bold,Bold ãƒ» ãƒ»(é€”ä¸çœç•¥) ãƒ» DejaVu Serif:style=Bold $
msuhara 2016/03/03
æ–‡å—åŒ–ã‘

java

JFreeChart
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JSF2.2ã¦ã‚™ç°¡å˜webã‚¢ãƒ•ã‚šãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³é–‹ç™º
10. Strutsã®å ´åˆ <html:form action=â€/act1â€> <html:submit value=â€act1â€/> </html:form> <html:form action=â€/act2â€> <html:submit value=â€act2â€/> </html:form> JSP Act1Action Act1Form Act2Form Act2Action <struts-config> <form-beans> <form-bean name=â€act1Formâ€/> <form-bena name=â€act2Formâ€/> </form-beans> <action-mappings> <action path=â€act1â€/> <action path=â€act2â€/> </action-mappings> </struts-config> struts-
msuhara 2015/10/07
java

java ee
ãƒªãƒ³ã‚¯
Java EE 7æŠ€è¡“ã‚¢ãƒƒãƒ—ãƒ‡ãƒ¼ãƒˆ & é€†å¼•ã JSF 2.2
Java EE 7æŠ€è¡“ã‚¢ãƒƒãƒ—ãƒ‡ãƒ¼ãƒˆ Java EE 7ã®æ›´æ–°ã¯æ•°ã‚ã‚Œã©ã€ã‚„ã£ã±ã‚Šç›®çŽ‰ã¯JSF 2.2! Faceletã‚’ç²å¾—ã—ã€NetBeansã®å¼·åŠ›ãªå¾Œè¦‹ã‚’å¾—ã€é‚ã«æ„›ã—ã®CDIã¨å®Œå…¨åˆä½“ã—ãŸJSFã«ã‚‚ã¯ã‚„æ•µã¯ã„ãªã„! ã•ã‚‰ã°JSP! ã•ã‚‰ã°Eclipse! ã•ã‚‰ã°JSF Managed Beané”ã‚ˆ! Java EE 6 (JSF 2.0) ã§ã‚‚ã©ã‹ã—ã„æ€ã„ã‚’ã—ãŸè²´æ–¹ã€ãã‚ãã‚ã‚¾ãƒ³ãƒ“ã®ã‚ˆã†ãªStrutsã‹ã‚‰è„±å´ã—ãŸã„ã¨ãŠè€ƒãˆã®è²´æ–¹ã€EE 7ã§ãƒ‡ãƒ•ã‚¡ã‚¯ãƒˆã‚¹ã‚¿ãƒ³ãƒ€ãƒ¼ãƒ‰ã«è¿½ã„ã¤ãã€å …ç‰¢ã§ä»Šæ™‚ãªä¼æ¥ã‚·ã‚¹ãƒ†ãƒ ã‚’æ¥½ã«ä½œã‚Šã¾ã—ã‚‡ã†! å„ç¨®ã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã‚µãƒ¼ãƒãƒ¼ã®EE 7æº–æ‹ ãŒæ¥å¹´ã«æŽ§ãˆã‚‹ä¸ã€ã‚„ã‚Šå§‹ã‚ã‚‹ãªã‚‰ä»Šã§ã—ã‚‡! â€»JavaOne 2013 å ±å‘Šä¼š at ç¦å²¡ æŠ€è¡“ç·¨ ç™ºè¡¨åˆ†ã§ã™ã€‚ 2013/11/15 19:00 to 21:30 http://atnd.org/events/45326Read
msuhara 2015/10/07
java

java ee
ãƒªãƒ³ã‚¯
[Books] ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°é–¢é€£æ›¸ç±ã®ã”ç´¹ä»‹â€•Java EE ç·¨ - notepad
msuhara 2014/03/31
æ›¸ç±

java

java ee
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Java æš—å·åŒ–æ‹¡å¼µæ©Ÿèƒ½ JDK5.0
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msuhara 2012/03/30
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Java æš—å·åŒ–æ‹¡å¼µæ©Ÿèƒ½ JDK5.0
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msuhara 2012/03/30
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