[B! Java] penaltyã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯

penalty id:penalty

Javaã«é–¢ã™ã‚‹penaltyã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (105)

${{author_name}}$

{{{comment_expanded}}}

{{label}}

{{#is_bookmark}}ãƒªã‚¹ãƒˆ{{/is_bookmark}}{{^is_bookmark}}ãƒªãƒ³ã‚¯{{/is_bookmark}}

${{author_name}}$
{{author_name}}{{created}}
{{ #comment }}{{ comment }}{{ /comment }}
- {{ label }}

${{author_name}}$

{{{comment_expanded}}}

{{label}}

{{#is_bookmark}}ãƒªã‚¹ãƒˆ{{/is_bookmark}}{{^is_bookmark}}ãƒªãƒ³ã‚¯{{/is_bookmark}}

Reactive Webã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ - ãã—ã¦Spring 5ã¸ #jjug_ccc #ccc_ef3
1. Reactive Webã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ - ãã—ã¦Spring 5ã¸ Toshiaki Maki (@making) JJUG CCC 2015 Fall 2015-11-30 #jjug_ccc #ccc_ef3 2. èžã„ãŸã“ã¨ã‚ã‚Šã¾ã™ï¼Ÿ â€¢ Reactive Programming? â€¢ Reactive Manifest? â€¢ Reactive Streams? â€¢ Reactive Extensions? â€¢ Reactive ... ?
penalty 2018/06/24
ã“ã‚Œã™ã’ãƒ¼è‰¯ã„ç™ºè¡¨è³‡æ–™ã ã£ãŸã€‚ãƒªã‚¢ãƒ«ã‚¿ã‚¤ãƒ ã§èžããŸã‹ã£ãŸã€‚

java
ãƒªãƒ³ã‚¯
OWASP dependency-check ã‚’åˆ©ç”¨ã—ã¦è„†å¼±æ€§ã®ã‚ã‚‹ Java ãƒ©ã‚¤ãƒ–ãƒ©ãƒªã«ä¾å˜ã—ã¦ã„ãªã„ã‹ç¢ºèªã™ã‚‹ - tokuhirom's blog
ä¾å˜ã—ã¦ã„ã‚‹ãƒ©ã‚¤ãƒ–ãƒ©ãƒªã«è„†å¼±æ€§ãŒã‚ã‚‹å ´åˆã€ãã‚Œã‚’æ¤œå‡ºã§ãã‚‹ã¨å¬‰ã—ã„ã€‚ OWASP dependency-check ã® gradle ãƒ—ãƒ©ã‚°ã‚¤ãƒ³ã‚’å…¥ã‚Œã‚‹ã¨ã€ç°¡å˜ã«æ¤œå‡ºãŒå¯èƒ½ã¨ãªã‚‹ã€‚ è¨å®šã¯ä»¥ä¸‹ã®ã‚ˆã†ã§ã‚ã‚Šã€éžå¸¸ã«å®¹æ˜“ã§ã‚ã‚‹ã€‚ buildscript { repositories { mavenCentral() } dependencies { classpath('org.owasp:dependency-check-gradle:3.2.1') } } apply plugin: 'org.owasp.dependencycheck' check.dependsOn dependencyCheckAnalyze // https://jeremylong.github.io/DependencyCheck/dependency-check-gradle/configuration.ht
penalty 2018/06/08
java
ãƒªãƒ³ã‚¯
JJUG CCC 2018 Springã§ãƒ¬ãƒ“ãƒ¥ãƒ¼ã«é–¢ã™ã‚‹è©±ã‚’ã—ã¾ã—ãŸ
ç™ºè¡¨ã‚¹ãƒ©ã‚¤ãƒ‰ãŒæ˜ ã‚‰ãªãã¦ã‚ã£ã¡ã‚ƒç„¦ã‚Šã¾ã—ãŸã€‚ã‚¹ã‚¿ãƒƒãƒ•ã®äººãŒã¨ã¦ã‚‚è¦ªåˆ‡ã§ä½•ç¨®é¡žã‹ã®å¤‰æ›ã‚³ãƒã‚¯ã‚¿ã‚’ç”¨æ„ã—ã¦ãã‚ŒãŸã‚Šã¨ã€ã¨ã¦ã‚‚è¦ªåˆ‡ã§åŠ©ã‹ã‚Šã¾ã—ãŸã€‚ ãŠé™°æ§˜ã§æº€å¸ã§ç«‹ã¡è¦‹ã‚‚å‡ºã¦ã€è¦‹ã«æ¥ã¦ãã ã•ã£ãŸæ–¹ã€…ã‚ã‚ŠãŒã¨ã†ã”ã–ã„ã¾ã™ã€‚ ç§ã¯ã‚ªã‚¿ã‚¯ãªã®ã§ã¨ã¦ã‚‚æ—©å£ã«ãªã£ã¦ã—ã¾ã„ã€ã¾ãŸãƒžã‚¤ã‚¯ã‚‚ä¸Šæ‰‹ãä½¿ãˆãšã«åçœç‚¹ãŒå¤šã‹ã£ãŸãªã¨æ€ã„ã¾ã™ã€‚ï¼ˆè³‡æ–™ã®æžšæ•°ãŒå°‘ãªã„ã¨ã€ã‚†ã£ãŸã‚Šå–‹ã‚‹ã‚“ã§ã™ãŒã‚ã®ãƒšãƒ¼ã‚¹ã§è©±ã•ãªã„ã¨é–“ã«åˆã‚ãªã‹ã£ãŸorzï¼‰ ä½•äº‹ã«ç½®ã„ã¦ã‚‚ãã†ãªã®ã§ã™ãŒã€å¯¾è±¡ã¨ãªã‚‹çµ„ç¹”ã€æ–‡åŒ–ã€èƒŒæ™¯ã€çŠ¶æ³ãŒç•°ãªã‚Œã°å¤§äº‹ã«ã™ã‚‹ã¹ãè¦³ç‚¹ã¯ç•°ãªã‚Šã¾ã™ã€‚åˆ¶åº¦ã‚„ä»•çµ„ã¿ã€ãƒ—ãƒã‚°ãƒ©ãƒ ã‚„ãƒ‘ãƒ©ãƒ¡ãƒ¼ã‚¿ãªã©ã€ãã®ã¾ã¾æŒã£ã¦ã„ãã®ã§ã¯ç„¡ãã€ã‚¨ãƒƒã‚»ãƒ³ã‚¹ã‚’æŠ½å‡ºã—ã¦å’€åš¼ã—ã¦ã‹ã‚‰å¿…è¦ãªé¤Šåˆ†ã‚’å–ã‚Šè¾¼ã‚€ã¨ã„ã†äº‹ãŒå¤§äº‹ã§ã™ è³ªå•ã«é–¢ã™ã‚‹è£œè¶³ã§ã™ãã®å‰ã«ã€ ã‚¹ãƒ©ã‚¤ãƒ‰ã«ç¤¾åã‚’ã„ãã¤ã‹å‡ºã—ã¦ã„ã¾ã™ãŒã€å®£ä¼ç›®çš„ã§ã¯ãªãã¦ã€ä¸€èˆ¬çš„ãªåºƒå‘Šã‚·ã‚¹ãƒ†ãƒ ã¨é•ã£ã¦çµ„ã¿åˆã‚ã›æœ€é©åŒ–ã®ãƒ•ã‚§ãƒ¼ã‚º
penalty 2018/05/29
java

jjug
ãƒªãƒ³ã‚¯
ã–ã£ãã‚Šã‚ã‹ã£ãŸæ°—ã«ãªã‚‹ãƒ¢ãƒ€ãƒ³GCå…¥é–€ - Cybozu Inside Out | ã‚µã‚¤ãƒœã‚¦ã‚ºã‚¨ãƒ³ã‚¸ãƒ‹ã‚¢ã®ãƒ–ãƒã‚°
ã©ã†ã‚‚ï¼@yokotaso ã§ã™ï¼ 2018/05/26ã®JJUG CCC 2018ã§ã€Œã–ã£ãã‚Šã‚ã‹ã£ãŸæ°—ã«ãªã‚‹ãƒ¢ãƒ€ãƒ³GCå…¥é–€ã€ã¨ã„ã†ã‚¿ã‚¤ãƒˆãƒ«ã§ç™»å£‡ã•ã›ã¦ã„ãŸã ãã¾ã—ãŸã€‚ ç¾åœ¨é–‹ç™ºä¸ã®æ–°ã—ã„GCã‚¢ãƒ«ã‚´ãƒªã‚ºãƒ ã‚’ã–ã£ãã‚Šç†è§£ã™ã‚‹ã“ã¨ã‚’ãƒ†ãƒ¼ãƒžã«ç™ºè¡¨ã—ã¾ã—ãŸã€‚ ç™ºè¡¨ç·´ç¿’ç”¨ã«ä½œã£ãŸã‚«ãƒ³ãƒšã®å†…å®¹ã‚’å…¬é–‹ã—ã¾ã™ã€‚ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ã‚³ãƒ¡ãƒ³ãƒˆã§ã‚‚ãƒ„ã‚¤ãƒ¼ãƒˆã§ã‚‚æ„Ÿæƒ³ã‚’æ›¸ã„ã¦ã„ãŸã ã‘ã‚‹ã¨å–œã³ã¾ã™ï¼ ç™ºè¡¨è³‡æ–™ã¯ã€speakerdeck ã«ã‚ã‚Šã¾ã™ã€‚ã¯ã˜ã¾ã‚Šã€œã¯ã˜ã¾ã‚Šã€œ ã¯ã˜ã‚ã« ä»Šæ—¥ã¯ã–ã£ãã‚Šã‚ã‹ã£ãŸæ°—ã«ãªã‚‹ãƒ¢ãƒ€ãƒ³GCå…¥é–€ã¨ã„ã†ãŠè©±ã‚’ã•ã›ã¦ã„ãŸã ãã¾ã™ã€‚ ç¾åœ¨é–‹ç™ºä¸ã®GCã‚¢ãƒ«ã‚´ãƒªã‚ºãƒ ã®å…¨ä½“åƒã‚’ç†è§£ã—ã¦ã‚‚ã‚‰ã†ã“ã¨ã‚’ç›®çš„ã¨ã—ãŸã‚»ãƒƒã‚·ãƒ§ãƒ³ã§ã™ã€‚ã‚ˆã‚ã—ããŠããŒã„ã—ã¾ã™ã€‚ ã•ã¦ä»Šæ—¥ã®ã‚¢ã‚¸ã‚§ãƒ³ãƒ€ã§ã™ãŒã€ã¾ãšç°¡å˜ã«ã“ã‚Œã¾ã§ã®GCã‚’å¾©ç¿’ã—ãŸå¾Œã«æ–°ã—ã„GCãŒå¿…è¦ã«ãªã£ã¦ããŸèƒŒæ™¯ã«ã¤ã„ã¦å°‘ã—è©±ã—ã¾ã™ã€‚ æ¬¡ã«ShenandoahGCã€ZGCã€E
penalty 2018/05/29
java

gc
ãƒªãƒ³ã‚¯
Garbage-First Garbage Collector Tuning
This section describes how to adapt Garbage-First garbage collector (G1 GC) behavior in case it does not meet your requirements. The general recommendation is to use G1 with its default settings, eventually giving it a different pause-time goal and setting a maximum Java heap size by using -Xmx if desired. G1 defaults have been balanced differently than either of the other collectors. G1's goals i
penalty 2017/12/21
Java

g1gc
ãƒªãƒ³ã‚¯
G1 GC ãŠã•ã‚‰ã„ã¨ #jjug_ccc ã§ç™ºè¡¨ã—ãŸè©± - unnamed
ã“ã®è¨˜äº‹ã¯ Java Advent Calendar 2015 ã®ä¸€æ—¥ç›®ã®è¨˜äº‹ã§ã™ã€‚äºŒå¹´é€£ç¶šã§ãƒˆãƒƒãƒ—ãƒãƒƒã‚¿ãƒ¼ã ï¼ å…ˆæ—¥ã® JJUG CCC 2015 Fall ã§ G1 GC ã«ã¤ã„ã¦è©±ã—ã¦ãã¾ã—ãŸã€‚ åŽ»å¹´ã® CMS GC ã¨åŒã˜ãçµæ§‹é…ã‚ã®æ™‚é–“å¸¯ï¼†è£ç•ªçµ„ã«ä¼èª¬ã®ç°è‰²ãƒšãƒ¼ã‚¸ç®¡ç†äººãƒ»ã²ã—ã ã¾ä¼é“å¸«ãŒç™ºè¡¨ã™ã‚‹ãªã©ã®è±ªè¯ãªæ™‚é–“å¸¯ã«ã‚‚é–¢ã‚ã‚‰ãšã€165äººè¦æ¨¡ã®éƒ¨å±‹ãŒã„ã£ã±ã„ã«åŸ‹ã¾ã‚‹ãã‚‰ã„ã®ç››æ³ã§ã—ãŸã€‚è´è¬›é ‚ã„ãŸçš†æ§˜ã‚ã‚ŠãŒã¨ã†ã”ã–ã„ã¾ã—ãŸï¼ ã‚¹ãƒ©ã‚¤ãƒ‰ã¯ä»¥ä¸‹ã«å…¬é–‹ã—ã¾ã—ãŸã€‚G1 GC ã®æŒ™å‹•ã‹ã‚‰ GC ãƒã‚°ã®èªã¿æ–¹ã€ã©ã†ã„ã†ã‚±ãƒ¼ã‚¹ãŒåŽ„ä»‹ãªã®ã‹ã‚’ç´¹ä»‹ã—ã¦ã„ã‚‹ã®ã§æ˜¯éžã”è¦§ãã ã•ã„ï¼ Garbage First Garbage Collection (G1 GC) #jjug_ccc #ccc_cd6 from Yuji Kubota ã‚¢ãƒ•ã‚¿ãƒ¼ãƒ•ã‚©ãƒãƒ¼ã€ã¾ãŸã¯ã¡ã‚‡ã£ã¨ã—ãŸè£œè¶³ æ¥µåŠ›ã€å¾Œã‹ã‚‰å‚ç…§å¯èƒ½ãªã‚ˆã†ã«è³‡æ–™
penalty 2017/12/20
Java
ãƒªãƒ³ã‚¯
Apache Kafkaã®Quickstartã®ã‚µãƒ³ãƒ—ãƒ«ã‚’ã€Javaã®Client APIã§æ›¸ãç›´ã—ã¦ã¿ãŸ - CLOVERðŸ€
Apache Kafkaã®Client APIã‚’ä½¿ã£ãŸã€ã„ã‚ã‚†ã‚‹ã€ŒHello Worldã€çš„ãªã“ã¨ã‚’è©¦ã—ã¦ã¿ã‚ˆã†â€¦ã¨æ€ã£ãŸã®ã§ã™ãŒã€ ãƒ‰ã‚ãƒ¥ãƒ¡ãƒ³ãƒˆã‚’è¦‹ã¦ã‚‚ãã‚Œã»ã©æ›¸ã„ã¦ã‚ã‚Šã¾ã›ã‚“ã€‚ Documentation / APIS Maven Dependencyã¨ <dependency> <groupId>org.apache.kafka</groupId> <artifactId>kafka-clients</artifactId> <version>0.10.2.0</version> </dependency> Configurationã¨ã„ã£ãŸã¨ã“ã‚ãŒä¸»ãªå†…å®¹ã§ã™ãŒã€‚ Documentation / Configuration / Producer Configs Documentation / Configuration / Consumer Configs ã‚ã¨ã¯ã€ãƒªãƒã‚¸ãƒˆãƒªä¸Šã«å«
penalty 2017/06/24
kafka

Java
ãƒªãƒ³ã‚¯
JJUG CCC 2017 Spring ç™»å£‡&å”è³›ãƒ¬ãƒãƒ¼ãƒˆ - LINE ENGINEERING
By LINE Engineering | 2017.05.23 2021.01.08LINE Engineering Blog official account LINEæ ªå¼ä¼šç¤¾ã§ã¯ã‚¨ãƒ³ã‚¸ãƒ‹ã‚¢ã®ãŸã‚ã€æ§˜ã€…ãªæ´»å‹•ã‚’æ”¯æ´ã—ã¦ãŠã‚Šã¾ã™ã€‚ ã€å”è³›æƒ…å ±ã€‘JJUG CCC 2017 SPRING : LINE Engineering Blog ã§ã‚‚ãŠçŸ¥ã‚‰ã›ã—ã¦ãŠã‚Šã¾ã—ãŸãŒã€LINE ã¯å¯¿å¸ã‚¹ãƒãƒ³ã‚µãƒ¼ã¨ã—ã¦å”è³›ã„ãŸã—ã¾ã—ãŸã€‚ã¾ãŸã€LINE Fukuokaã§åƒãã‚¨ãƒ³ã‚¸ãƒ‹ã‚¢ãŒç™»å£‡ã„ãŸã—ã¾ã—ãŸã®ã§ãã®æ§˜åã‚‚åˆã‚ã›ã¦ã”ç´¹ä»‹ã„ãŸã—ã¾ã™ã€‚ JJUG CCC ã¨ã¯ æ¯Žå¹´2å›žã€æ˜¥ã¨ç§‹ã«é–‹å‚¬ã™ã‚‹æ—¥æœ¬æœ€å¤§ã®Javaã‚³ãƒŸãƒ¥ãƒ‹ãƒ†ã‚£ã‚¤ãƒ™ãƒ³ãƒˆã§ã™ã€‚Javaé–¢é€£ã®æŠ€è¡“ã‚„äº‹ä¾‹ã«é–¢ã™ã‚‹è‰¯è³ªãªã‚»ãƒƒã‚·ãƒ§ãƒ³ãŒè¡Œã‚ã‚Œã€ã¾ãŸç•°ãªã‚‹åˆ†é‡Žã§æ´»èºã™ã‚‹Java æŠ€è¡“è€…ãŒä¸€å ‚ã«ä¼šã™ã‚‹å ´ã¨ã‚‚ãªã£ã¦ã„ã¾ã™ã€‚ â–¼å…¬å¼ã‚µã‚¤ãƒˆ JJUG CCC 2017 Sprin
penalty 2017/05/23
Java

line

jjug_ccc
ãƒªãƒ³ã‚¯
Java Stream Debugger - IntelliJ IDEs Plugin | Marketplace
In some ways, Stream API is better than traditional loop approach: it takes full advantage of modern multi-core architectures, and lets you process data in a...
penalty 2017/05/15
Java
ãƒªãƒ³ã‚¯
ç¬¬1å›žã€€JVMã¯ã©ã®ã‚ˆã†ã«ãƒ¡ãƒ¢ãƒªç©ºé–“ã‚’åˆ©ç”¨ã™ã‚‹ã®ã‹ | gihyo.jp
ã‚ã®Webã‚µãƒ¼ãƒ“ã‚¹ã‚‚JVMã‚’åˆ©ç”¨ã—ã¦ã„ã‚‹ ã€ŒJavaã¯å¤§è¦æ¨¡ãªã‚¨ãƒ³ã‚¿ãƒ¼ãƒ—ãƒ©ã‚¤ã‚ºã‚·ã‚¹ãƒ†ãƒ ã«ã—ã‹ä½¿ã‚ã‚Œãªã„ã€ ãã‚ŒãŒå¸¸è˜ã ã¨æ€ã£ã¦ã„ã¾ã›ã‚“ã‹ï¼Ÿ ãŸã—ã‹ã«ã€ã“ã‚Œã¾ã§Java Virtual Machineï¼ˆJVMï¼‰ã¯ã€ä»–ã®è¨€èªžã‚’å®Ÿè¡Œã™ã‚‹ã¨é…ãã€Javaã®ãƒ—ãƒã‚°ãƒ©ãƒ ã‚’å®Ÿè¡Œã™ã‚‹ç’°å¢ƒã«ã™ãŽãªã„ã‚‚ã®ã§ã—ãŸã€‚ã¨ã“ã‚ãŒã€Java 7ã‹ã‚‰å®Ÿè£…ã•ã‚ŒãŸInvokeDynamicã«ã‚ˆã‚Šã€JVMä¸Šã§ã€Rubyã‚„PHPãªã©ã•ã¾ã–ã¾ãªã‚³ãƒ³ãƒ”ãƒ¥ãƒ¼ã‚¿è¨€èªžã§è¨˜è¿°ã•ã‚ŒãŸãƒ—ãƒã‚°ãƒ©ãƒ ã‚’ã‚ˆã‚Šé«˜é€Ÿã«å®Ÿè¡Œã§ãã‚‹ã‚ˆã†ã«ãªã‚Šã¾ã—ãŸã€‚ ã“ã‚Œã«ã‚ˆã‚Šã€ä»Šã¾ã§ã‚¨ãƒ³ã‚¿ãƒ¼ãƒ—ãƒ©ã‚¤ã‚ºã§Javaè¨€èªžã§è¨˜è¿°ã•ã‚ŒãŸãƒ—ãƒã‚°ãƒ©ãƒ ã‚’å®Ÿè¡Œã™ã‚‹ã ã‘ã®ç’°å¢ƒã§ã‚ã£ãŸJVMãŒã€æ±Žç”¨çš„ãªå®Ÿè¡Œç’°å¢ƒã«ãªã£ãŸã¨è¨€ãˆã¾ã™ã€‚ã¾ãŸã€ã“ã‚Œã¾ã§Javaã®å®Ÿè¡Œç’°å¢ƒã¨ã—ã¦ä½¿ç”¨ã•ã‚Œã¦ã„ãŸãƒŽã‚¦ãƒã‚¦ãŒã€ä»–ã®è¨€èªžã§è¨˜è¿°ã•ã‚ŒãŸãƒ—ãƒã‚°ãƒ©ãƒ ã‚’å®Ÿè¡Œã™ã‚‹éš›ã«ã‚‚åˆ©ç”¨ã§ãã¾ã™ã€‚ æœ€è¿‘ã§ã¯ã€TwitterãŒJVMã‚’ã‚¢ãƒ—ãƒªã‚±ãƒ¼
penalty 2017/03/24
java

jvm
ãƒªãƒ³ã‚¯
Jackson ã§ãƒã‚¤ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹ãª JSON å‡¦ç†ã‚’ã™ã‚‹ãŸã‚ã®ãƒ™ã‚¹ãƒˆãƒ—ãƒ©ã‚¯ãƒ†ã‚£ã‚¹ (1) - Qiita
Java ã§ POJO ãªã©ã‚’ JSON ã«ã‚·ãƒªã‚¢ãƒ©ã‚¤ã‚ºã€ã‚‚ã—ãã¯ JSON ã‹ã‚‰ãƒ‡ã‚·ãƒªã‚¢ãƒ©ã‚¤ã‚ºã™ã‚‹å ´åˆã¯ Jackson ã‚’ä½¿ã†ã®ãŒã‚‚ã¯ã‚„ golden standard ã¨ãªã£ã¦ã„ã‚‹ä»Šæ—¥ã“ã®é ƒã§ã™ãŒã€ã¿ãªã•ã¾ã„ã‹ã‚ˆã†ãª Java JSON ãƒ©ã‚¤ãƒ•ã‚’ãŠéŽã”ã—ã§ã—ã‚‡ã†ã‹ï¼Ÿ ä»Šå›žã¯ãã‚“ãª Jackson ã‚’é€Ÿåº¦æ€§èƒ½çš„ã«ã‚ˆã‚ŠåŠ¹çŽ‡çš„ã«æ‰±ã†å¿…è¦ãŒã‚ã‚Šã€ãã®éš›ã«ä»¥ä¸‹ã®ã‚µã‚¤ãƒˆã‚’ã ã„ã¶å‚è€ƒã«ã•ã›ã¦ã„ãŸã ã„ãŸã®ã§ã€ä»Šå¾Œã®ãŸã‚ã«ã‚‚ãã®å†…å®¹ã‚’ã–ã£ãã‚Šã¨ãƒ¡ãƒ¢ã—ã¦ãŠãã¾ã™ã€‚ Presentation: Jackson Performance Jackson Best Practices: Performance åŸºæœ¬ 1. ç”Ÿæˆå‡¦ç†ãªã©ãŒé‡ãŸã„ã‚ªãƒ–ã‚¸ã‚§ã‚¯ãƒˆã¯å†åˆ©ç”¨ã—ã‚ˆã† ãƒ‡ãƒ¼ã‚¿ãƒã‚¤ãƒ³ãƒ‡ã‚£ãƒ³ã‚°ã§åˆ©ç”¨ã™ã‚‹ ObjectMapper ã‚„ã€ã‚¹ãƒˆãƒªãƒ¼ãƒŸãƒ³ã‚°å‡¦ç†ã§åˆ©ç”¨ã™ã‚‹ JsonFactory ã¯ã€ç‰¹ã«å†åˆ©ç”¨ã‚’ã™ã‚‹ã¹ãã‚ªãƒ–
penalty 2017/01/24
JSON

performance

Java
ãƒªãƒ³ã‚¯
ä¸€æ©å…ˆè¡ŒãJavaãƒ—ãƒã‚°ãƒ©ãƒžãŒèªã‚€ã¹ãã‚ªãƒ¼ãƒ—ãƒ³ã‚½ãƒ¼ã‚¹ã‚½ãƒ•ãƒˆã‚¦ã‚§ã‚¢10é¸ - è¨è¨ˆã¨å®Ÿè£…ã®ç‹é–“ã§ã€‚
10ä¸‡è¡Œã‚³ãƒ¼ãƒ‰èªã‚“ã ã‚‰Javaåˆ†ã‹ã‚‹ã‚ˆã£ã¦Twitterã«æ›¸ã„ãŸã‚‰ã™ã’ã‡å‹¢ã„ã§RTã•ã‚ŒãŸã®ã§ã€èª¿åã«ä¹—ã£ã¦æ•æ‰ã‚¨ãƒ³ãƒˆãƒªæ›¸ãã‚ˆã€‚ Java Core API JDKã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã—ãŸãƒ‡ã‚£ãƒ¬ã‚¯ãƒˆãƒªã«å…¥ã£ã¦ã‚‹src.zipã‚’å±•é–‹ã™ã‚‹ã¨å…¥ã£ã¦ã‚‹ã‹ã‚‰èªã‚€ã¨è‰¯ã„ã‚ˆã€‚ ã™ãè¿‘ãã«ã‚ã‚‹ã®ã‹ã‚‰èªã‚€ã£ã¦ã®ã¯ãƒ¡ãƒ³ã‚¿ãƒ«çš„ã«æ¥½ã§ã„ã„ã€‚ åŽ³å¯†ã«ã¯OSSã˜ã‚ƒãªãã¦å˜ã«å…¬é–‹ã•ã‚Œã¦ã‚‹ã£ã¦ã ã‘ãªã‚“ã ã‘ã©ã‚‚ã€Javaãƒ—ãƒã‚°ãƒ©ãƒžãªã®ã«ã‚³ã‚¢APIã®ã‚³ãƒ¼ãƒ‰èªã‚“ã§ãªã„ã¨ã‹ç„¡ã„ã‚ˆãï¼Ÿ ã©ã‚Œã‹ã‚‰èªã‚ã°è‰¯ã„ã‹åˆ†ã‹ã‚‰ã‚“ã‹ã£ãŸã‚‰ã€ java.lang java.util java.io java.text è¾ºã‚Šã‚’ã¾ãšã¯ã‚ãƒãƒ³ã¨ç†è§£ã™ã‚‹ã“ã¨ã€‚å½“ç„¶ã‚³ãƒ¼ãƒ‰ã‚’èªã¿çµ‚ã‚ã£ãŸã‚‰ã€ãã‚Œã‚’ä½¿ã£ã¦ã‚³ãƒ¼ãƒ‰ã‚’æ›¸ãäº‹ã€‚ OpenJDK http://hg.openjdk.java.net/jdk7/jdk7 OpenJDKã‚’èªã‚€ã“ã¨ã§ã€ãƒ—ãƒã‚°ãƒ©ãƒ è¨€èªžã—ã¦ã®Javaã§ã¯ãª
penalty 2017/01/24
Java

programming
ãƒªãƒ³ã‚¯
GitHub - tokuhirom/java-handbook
You signed in with another tab or window. Reload to refresh your session. You signed out in another tab or window. Reload to refresh your session. You switched accounts on another tab or window. Reload to refresh your session. Dismiss alert
penalty 2016/10/18
Java
ãƒªãƒ³ã‚¯
ä½œã£ã¦ç†è§£ã™ã‚‹DIã‚³ãƒ³ãƒ†ãƒŠ - ãã—ã ã®Hatena
DIã‚³ãƒ³ãƒ†ãƒŠä½¿ã£ã¦ã‚‹ã‘ã©ã€ã‚¢ãƒŽãƒ†ãƒ¼ã‚·ãƒ§ãƒ³ã£ã¦ãªã‚“ãªã®ï¼ã£ã¦èžã‹ã‚Œã¦ã€ä½œã£ã¦ã¿ãŸã‚‰ã‚ã‹ã‚‹ã‚ˆã¨ç”ãˆã¦ã¿ãŸã®ã§ã€è‡ªåˆ†ã§ã‚‚ä½œã£ã¦ã¿ã¾ã—ãŸã€‚ ã‚ˆãã‚ã‹ã£ãŸã€‚ ã€ŒDIã‚³ãƒ³ãƒ†ãƒŠä½¿ã†ã¨ä½•ãŒã„ã„ã®ï¼Ÿã€ã¨ã„ã†ã“ã¨ã‚‚ã€ä½œã£ã¦ã¿ã‚‹ã¨ã‚ã‹ã‚Šã¾ã™ã€‚ã‚ã¨ã€ŒDIã£ã¦ä½•ãŒã„ã„ã®ï¼Ÿã€ã«é–¢ã—ã¦ã¯ã€ã€ŒDIã¯ã¡ã‚‡ã£ã¨ã‚³ãƒ¼ãƒ‰ã‚’æ›¸ãã®ãŒæ¥½ã«ãªã‚‹ã ã‘ã§ã€ãã‚Œã ã‘ã‚ã£ã¦ã‚‚ä»•æ–¹ãªã„ã€å¤§äº‹ãªã®ã¯ã‚³ãƒ³ãƒ†ãƒŠã€ã¨ç”ãˆã‚‹ã‚ˆã†ã«ã—ã¦ã¾ã™ãŒã€ã‚³ãƒ¼ãƒ‰æ¯”çŽ‡ã‹ã‚‰ã‚‚ãã‚ŒãŒã‚ˆãã‚ã‹ã‚Šã¾ã™ã€‚ ç¶šç·¨ã¨ã—ã¦Webãƒ•ãƒ¬ãƒ¼ãƒ ãƒ¯ãƒ¼ã‚¯ã‚‚ä½œã£ã¦ã„ã‚‹ã®ã§å‚è€ƒã¾ã§ã€‚ ä½œã£ã¦ç†è§£ã™ã‚‹Webãƒ•ãƒ¬ãƒ¼ãƒ ãƒ¯ãƒ¼ã‚¯ - ãã—ã ã®Hatena ã¾ãšã¯ã‚³ãƒ³ãƒ†ãƒŠã‚’ä½œã‚‹ ã¨ã‚Šã‚ãˆãš1ã‚½ãƒ¼ã‚¹ã®çŠ¶æ…‹ã§ã€‚ ã“ã‚“ãªæ„Ÿã˜ã§ã€ç®¡ç†ã™ã‚‹åž‹ã‚’ç™»éŒ²ã§ãã‚‹ã‚ˆã†ã«ã—ã¾ã™ã€‚ static Map<String, Class> types = new HashMap<>(); static void register(String
penalty 2016/04/06
DI

java
ãƒªãƒ³ã‚¯
Java8æ—¥ä»˜æ™‚åˆ»APIã®ä½¿ã„ã¥ã‚‰ã•ã¨å‡„ã• - ãã—ã ã®Hatena
ã„ã¾ã¾ã§ã®Javaã§ã¯ã€æ—¥ä»˜æ™‚åˆ»ã‚’æ‰±ãŠã†ã¨ã™ã‚‹ã¨ã‚ã‚“ã©ãã•ã„å‰²ã«éžå¸¸ã«ä½Žæ©Ÿèƒ½ã§ã—ãŸã€‚ Java8ã§ã¯ã€æ–°ãŸã«æ—¥ä»˜æ™‚åˆ»APIãŒå°Žå…¥ã•ã‚Œã€ã‚ã‚“ã©ãã•ã•ãŒå¢—ã—ã¤ã¤éžå¸¸ã«é«˜æ©Ÿèƒ½ã«ãªã‚Šã¾ã—ãŸã€‚ (ä»¥é™ã€Java8ã§å°Žå…¥ã•ã‚ŒãŸæ—¥ä»˜æ™‚åˆ»APIã‚’å˜ã«ã€Œæ—¥ä»˜æ™‚åˆ»APIã€ã¨è¡¨ã—ã¾ã™) ã‚‚ã¡ã‚ã‚“ã€æ…£ã‚Œã¦ãã¦ã€ã¡ã‚‡ã£ã¨ã—ãŸã‚µãƒãƒ¼ãƒˆãƒ¡ã‚½ãƒƒãƒ‰ã‚’ç”¨æ„ã—ã¦ã‚„ã‚Œã°ã€çµæ§‹ä½¿ã„ã‚„ã™ã„ã®ã§ã™ãŒã€ãã‚Œã¯ã€Œã“ã®APIã¯ä½¿ã„ã‚„ã™ã„ã€ã¨ã„ã†è©•ä¾¡ã«ã¯ãªã‚Šã¾ã›ã‚“ã€‚ ã¤ã¾ã‚Šæ—¥ä»˜æ™‚åˆ»APIã¯ã€æ…£ã‚Œãªã„ã¨ãœã‚“ãœã‚“ã‚ã‹ã‚‰ãªã„ã—ã€ã‚µãƒãƒ¼ãƒˆãƒ¡ã‚½ãƒƒãƒ‰ãŒãªã„ã¨é¢å€’ãªã‚³ãƒ¼ãƒ‰ãŒå¿…è¦ã¨ã„ã†ã“ã¨ã§ã™ã€‚ ã„ã‚ã„ã‚ã‚ã£ã¦ã‚ˆãã‚ã‹ã‚‰ãªã„ æ—¥ä»˜æ™‚åˆ»ã§ã¯ã€æ™‚ç‚¹ã‚’æ‰±ã†Instantã‚„æœŸé–“ã‚’æ‰±ã†Periodã€æ™‚é–“é‡ã‚’ã‚ã‚‰ã‚ã™Durationãªã©å¤šãã®ã‚¯ãƒ©ã‚¹ãƒ»ã‚¤ãƒ³ã‚¿ãƒ•ã‚§ãƒ¼ã‚¹ãŒå°Žå…¥ã•ã‚Œã¦ã„ã¾ã™ã€‚ ã“ã‚Œã‚‰ã¯ã€IDEã®è£œå®Œã§APIã‚’æŽ¢ã‚ŠãªãŒã‚‰æ©Ÿèƒ½ã‚’æŽ¨æ¸¬ã™ã‚Œã°ã€ãã‚Œãªã‚Šã«ãƒ‰ã‚ãƒ¥ãƒ¡ãƒ³ãƒˆãªã—
penalty 2016/02/15
Java
ãƒªãƒ³ã‚¯
http://blog.rakugakibox.net/entry/2015/07/27/spring-boot-with-redis
penalty 2015/12/09
Java

redis

Spring Framework
ãƒªãƒ³ã‚¯
Javaã®ã‚¯ãƒ©ã‚¹ãƒ•ã‚¡ã‚¤ãƒ«ã®èªã¿æ–¹ - è™Žå¡š
æ—¥æ›œã«ã€ã€Œå¤ä¼‘ã¿ãƒã‚¤ãƒŠãƒªå…¥é–€ 2012 ç¬¬1æ—¥ç›®ã€ã«å‚åŠ ã—ã¦ãã¾ã—ãŸã€‚ è‰²ã€…ã¨åˆå¿ƒè€…ä¸¸å‡ºã—ãªè³ªå•ã‚’ã—ã¾ã—ãŸãŒã€è©³ã—ã„æ–¹ãŒä¸å¯§ã«æ•™ãˆã¦ãã ã•ã£ãŸãŠã‹ã’ã§ã€ç–‘å•ã‚’è§£æ±ºã—ãªãŒã‚‰é€²ã‚€ã“ã¨ãŒã§ãã¾ã—ãŸã€‚ã‚ã‚ŠãŒã¨ã†ã”ã–ã„ã¾ã™ã€‚ å‚™å¿˜ã®ãŸã‚ã«ã€å¦ç¿’ã—ãŸã“ã¨ã‚’ãƒ¡ãƒ¢ã—ã¾ã™ã€‚ ã‚„ã£ãŸã“ã¨ Javaã§ã€Œhelloã€ã¨ã‚³ãƒ³ã‚½ãƒ¼ãƒ«å‡ºåŠ›ã™ã‚‹Hello.javaã‚’æ›¸ãã€‚ ã‚³ãƒ³ãƒ‘ã‚¤ãƒ«ã™ã‚‹ã€‚ï¼ˆjavac Hello.javaï¼‰ å®Ÿè¡Œã—ã¦ã€æ£ã—ãå‹•ãã“ã¨ã‚’ç¢ºã‹ã‚ã‚‹ã€‚ï¼ˆjava Helloï¼‰ javapã‚’ã‹ã‘ã‚‹ã€‚ï¼ˆjavap -v Hello.classï¼‰ ãƒã‚¤ãƒŠãƒªã‚¨ãƒ‡ã‚£ã‚¿ã§Hello.classã‚’é–‹ã„ã¦ã€å‡ºåŠ›ã‚’èªã‚€ã€‚ Javaã®ãƒã‚¤ãƒˆã‚³ãƒ¼ãƒ‰ã‚’èªã‚€ãŸã‚ã®ã€ŽJavaä»®æƒ³ãƒžã‚·ãƒ³ä»•æ§˜ã€ã®å‚ç…§æ–¹æ³•ã‚’å¦ç¿’ã—ã¾ã—ãŸã€‚ ã¾ãŸã€ã‚¹ã‚¿ãƒƒãƒ•ã®æ–¹ãŒJavaScriptã§å®Ÿè£…ã•ã‚ŒãŸã‚¹ã‚¿ãƒƒã‚¯ãƒžã‚·ãƒ³ã®ãƒ‡ãƒ¢ã‚’è¦‹ã›ã¦ã‚‚ã‚‰ã£ãŸã‚Šã€åŠ ç®—ã¨ä¹—ç®—ãŒæ··ã˜ã£ãŸè¨ˆç®—ãŒã©ã®
penalty 2015/12/09
Java
ãƒªãƒ³ã‚¯
Spring Boot ä½¿ã„æ–¹ãƒ¡ãƒ¢ - Qiita
Spring Boot ã¨ã¯ Spring ãƒ—ãƒã‚¸ã‚§ã‚¯ãƒˆãŒæä¾›ã™ã‚‹æ§˜ã€…ãªãƒ©ã‚¤ãƒ–ãƒ©ãƒªã‚„ãƒ•ãƒ¬ãƒ¼ãƒ ãƒ¯ãƒ¼ã‚¯ã‚’ã€æ‰‹ã£å–ã‚Šæ—©ãä½¿ãˆã‚‹ã‚ˆã†ã«ã—ãŸãƒ•ãƒ¬ãƒ¼ãƒ ãƒ¯ãƒ¼ã‚¯ã€‚ Dropwizard ã® Spring ç‰ˆã¿ãŸã„ãªã®ã€‚ ãƒ“ãƒ«ãƒ‰ã™ã‚‹ã¨å˜ç‹¬ã® jar ãƒ•ã‚¡ã‚¤ãƒ«ãŒã§ãã‚ãŒã‚‹ã€‚ Web ã‚¢ãƒ—ãƒªã®å ´åˆã¯ã€çµ„ã¿è¾¼ã¿ã® Tomcat ãŒèµ·å‹•ã™ã‚‹ï¼ˆJetty ã‚„ Undertow ã«åˆ‡ã‚Šæ›¿ãˆå¯ï¼‰ã€‚ Web ã‚¢ãƒ—ãƒªã§ãªãã€æ™®é€šã® Java ãƒ—ãƒã‚°ãƒ©ãƒ ã¨ã—ã¦ã‚‚å‹•ã‹ã›ã‚‹ã€‚ Maven ã‚„ Gradle ãªã©ã®ãƒ“ãƒ«ãƒ‰ãƒ„ãƒ¼ãƒ«ã‚’åˆ©ç”¨ã™ã‚‹ï¼ˆAnt ã§ã‚‚ã§ããªãã¯ãªã„ï¼‰ã€‚ ä½¿ç”¨ã—ãŸã„ã‚³ãƒ³ãƒãƒ¼ãƒãƒ³ãƒˆã‚’ä¾å˜é–¢ä¿‚ã«è¿½åŠ ã™ã‚‹ã ã‘ã§ã€çµåˆã«å¿…è¦ãªè¨å®šãªã©ãŒè‡ªå‹•ã§è¡Œã‚ã‚Œã‚‹ã€‚ ç’°å¢ƒ Java 1.8.0_45 Gradle 2.3 Spring Boot 1.2.3 Hello World å®Ÿè£… buildscript { repositories
penalty 2015/11/20
spring boot

SpringFramework

java
ãƒªãƒ³ã‚¯
Spring Boot 1.3 ãƒªãƒªãƒ¼ã‚¹ãƒŽãƒ¼ãƒˆå’Œè¨³ - afnf.net
Spring Boot 1.3ãŒãƒªãƒªãƒ¼ã‚¹ã•ã‚Œã¾ã—ãŸ Spring Boot 1.3.0 ã®ãƒªãƒªãƒ¼ã‚¹ãŒé…ã‚Œã¦ã¾ã™ãã€‚ãŸã issueã¯æ®‹ã‚Š2ä»¶ã¨ãªã£ã¦ã„ã¦ã€ä»Šã¯Spring Framework 4.2.3ã®æ£å¼ãƒªãƒªãƒ¼ã‚¹ã‚’å¾…ã£ã¦ã„ã‚‹ã‚ˆã†ã§ã™ã€‚ã¨ã„ã†ã“ã¨ã§ã€ä»Šé€±ä¸ã«ã‚‚ãƒªãƒªãƒ¼ã‚¹ã•ã‚Œã‚‹ã®ã§ã¯ãªã„ã§ã—ã‚‡ã†ã‹ã€‚ 2015/11/16è¿½è¨˜ï¼šæ£å¼ãƒªãƒªãƒ¼ã‚¹ã•ã‚ŒãŸã‚ˆã†ã§ã™ã€‚ å‰å›žæ™‚ç‚¹ã‹ã‚‰WikiãŒæ›´æ–°ã•ã‚ŒãŸã®ã§ã€å’Œè¨³ã‚‚æ›´æ–°ã—ã¦ã¿ã¾ã—ãŸã€‚ https://github.com/spring-projects/spring-boot/wiki/Spring-Boot-1.3-Release-Notes Spring Boot 1.2 ã‹ã‚‰ã®ã‚¢ãƒƒãƒ—ã‚°ãƒ¬ãƒ¼ãƒ‰ 1.2ã§éžæŽ¨å¥¨ã¨ãªã£ãŸã‚¯ãƒ©ã‚¹ãƒ»ãƒ¡ã‚½ãƒƒãƒ‰ãƒ»ãƒ—ãƒãƒ‘ãƒ†ã‚£ã®å‰Šé™¤ Jacksonã®ObjectMapperã«é–¢ã™ã‚‹å¤‰æ›´ã€Jackson2ObjectMapperBuilde
penalty 2015/11/19
spring boot

Java

Spring Framework
ãƒªãƒ³ã‚¯
åˆå¿ƒè€…ã®ãŸã‚ã®Spring Frameworkå…¥é–€ - libro
â€»ãƒšãƒ¼ã‚¸ãŒæ£å¸¸ã«è¡¨ç¤ºã•ã‚Œãªã„å ´åˆ AddBlockãªã©ã®åºƒå‘Šãƒ–ãƒãƒƒã‚¯ãƒ„ãƒ¼ãƒ«ãŒONã«ãªã£ã¦ã„ã‚‹ã¨ã€ãƒšãƒ¼ã‚¸ã®ä¸€éƒ¨ãŒè¡¨ç¤ºã•ã‚Œãªã„ã“ã¨ãŒã‚ã‚Šã¾ã™ã€‚ã“ã‚Œã‚‰ã®ãƒ„ãƒ¼ãƒ«ã‚’OFFã«ã—ã¦ã¿ã¦ãã ã•ã„ã€‚ Javaã®é–‹ç™ºã§ã¯ã€é«˜åº¦ãªæŠ€è¡“ã‚’ç°¡å˜ã«å°Žå…¥ã§ãã‚‹ã€Œãƒ•ãƒ¬ãƒ¼ãƒ ãƒ¯ãƒ¼ã‚¯ã€ãŒä¸å¯æ¬ ã§ã™ã€‚æ•°ã‚ã‚‹ãƒ•ãƒ¬ãƒ¼ãƒ ãƒ¯ãƒ¼ã‚¯ã®ä¸ã§ã‚‚ã€Javaãƒ—ãƒã‚°ãƒ©ãƒžã«ã¨ã£ã¦ã‚‚ã£ã¨ã‚‚åºƒãæ”¯æŒã•ã‚Œã¦ã„ã‚‹ã®ãŒã€ŒSpring Frameworkã€ã§ã™ã€‚ã“ã“ã§ã¯ã€åŸºæœ¬ã¨ãªã‚‹æ©Ÿèƒ½ã‚’ãƒ”ãƒƒã‚¯ã‚¢ãƒƒãƒ—ã—ã€ãã®åƒãã¨ä½¿ã„æ–¹ã‚’èª¬æ˜Žã—ã¦ã„ãã¾ã—ã‚‡ã†ã€‚
penalty 2015/11/16
Spring Framework

Java
ãƒªãƒ³ã‚¯
1 2 3 4 5 6 æ¬¡ã®ãƒšãƒ¼ã‚¸