[B! java] materia-x64ã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯

materia-x64 id:materia-x64

javaã«é–¢ã™ã‚‹materia-x64ã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (20)

${{author_name}}$

{{{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}}

2016å¹´ç¾åœ¨ã®Javaã«ã¤ã„ã¦ - arclamp
Sun MicrosystemsãŒOracleã«è²·åŽã•ã‚ŒãŸã®ãŒ2009å¹´ã§ã™ã‹ã‚‰ã€ã‚ã‚Œã‹ã‚‰7å¹´ãŒçµŒã¡ã¾ã—ãŸã€‚ 2013å¹´ã€Javaã¯å¤§äººã«ãªã£ãŸã¯ãšã ã£ãŸ åƒ•ã¯2013å¹´ã«ã€Œã‚¤ãƒžãƒ‰ã‚ã®Javaã¨ORACLEã«ã¤ã„ã¦ - arclampã€ã¨ã„ã†è¨˜äº‹ã‚’ã‚¢ãƒƒãƒ—ã—ã€æ¬¡ã®ã‚ˆã†ã«æ›¸ãã¾ã—ãŸã€‚ ãã‚“ãªã‚ã‘ã§ã€ŒORACLEã¯Javaã«ã‚³ãƒŸãƒƒãƒˆã—ã¦ã„ã‚‹ã®ã‹ï¼Ÿã€ã¨ã„ã†è³ªå•ãŒç„¡æ„å‘³ãªãã‚‰ã„ã€ORACLEã¯Java æŠ€è¡“ã ã‘ã§ã¯ãªãã€Javaãƒ¦ãƒ¼ã‚¶ãƒ¼ã®æ–¹ã‚’å‘ã„ã¦ã„ã‚‹ã®ã§ã™ã€‚ ã‚‚ã¡ã‚ã‚“ã€ORACLEã¯ï¼ˆSUNã«æ¯”ã¹ã¦ï¼‰ã‚¤ãƒŽãƒ™ãƒ¼ã‚·ãƒ§ãƒ³ãŒè¶³ã‚Šãªã„ã¨ã‹ã‚¹ãƒ”ãƒ¼ãƒ‰æ„ŸãŒãªã„ã¨ã‹æ‰¹åˆ¤ã‚‚ã§ãã‚‹ã®ã§ã™ãŒã€ã“ã‚Œã ã‘ã‚¨ãƒ³ã‚¿ãƒ¼ãƒ—ãƒ©ã‚¤ã‚ºã®ãƒ¦ãƒ¼ã‚¶ãƒ¼ãŒå¢—ãˆãŸä¸ã§ã¯ã€Javaã®å¾Œæ–¹äº’æ›æ€§ã‚’ä¿ã¡ã¤ã¤ã€ç€å®Ÿã«é€²åŒ–ã—ã¦ã„ãã€ã¤ã¾ã‚Šã¯å¼•ãç¶šãå®‰å¿ƒã—ã¦Javaã‚’ä½¿ã†ã“ã¨ãŒã§ãã‚‹ã¨ã„ã†ã®ã¯å¤§ããªä¾¡å€¤ã§ã—ã‚‡ã†ã€‚ ãã†ã€Javaã¯æœ¬å½“ã®æ„å‘³ã§ã‚ªãƒˆãƒŠã«ãªã£ãŸã®ã‹ã‚‚ã—
materia-x64 2016/11/22
java

oracle

ibm
ãƒªãƒ³ã‚¯
Javaã®è¬Žã®ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹åŠ£åŒ–ç¾è±¡ã¨ã®æˆ¦ã„ - Cybozu Inside Out | ã‚µã‚¤ãƒœã‚¦ã‚ºã‚¨ãƒ³ã‚¸ãƒ‹ã‚¢ã®ãƒ–ãƒã‚°
ã“ã‚“ã«ã¡ã¯ã€‚ã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³åŸºç›¤ãƒãƒ¼ãƒ ã®æ¨ªç”°ã§ã™ã€‚ Javaã®è¬Žã®ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹åŠ£åŒ–ã«ã¾ã¤ã‚ã‚‹èª¿æŸ»ã‚’ã—ã¦ã„ãŸã®ã§ã™ãŒã€1ãƒ¶æœˆã®è‹¦åŠ´ã®æœ«ã«åŽŸå› ãŒã‚ã‹ã‚Šã¾ã—ãŸã®ã§ã€å ±å‘Šã•ã›ã¦ã„ãŸã ãã¾ã™ï¼ å…¬é–‹å¾Œã«é ‚ã„ãŸã¯ã¦ãªãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ã§ã®ã”æŒ‡æ‘˜ãƒ»ç¤¾å†…ã§ã®ã‚¿ã‚¤ãƒãƒ»èªã¿ã«ãã„ãªã©ã®æŒ‡æ‘˜ã‚’å—ã‘ã¦ãŸã®ã§ã€è¬¹ã‚“ã§ä¿®æ£ã•ã›ã„ãŸã ãã¾ã™ã€‚ ä¿®æ£ã—ãŸå†…å®¹ã«ã¤ãã¾ã—ã¦ã¯ã€è¨˜äº‹ã®æœ€å¾Œã‚’å‚ç…§ã—ã¦ãã ã•ã„ã€‚ å¿™ã—ã„äººã®ãŸã‚ã®ã¾ã¨ã‚ jdk-7u4ä»¥é™ã®jdk-7 *1 ã§Javaã®ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹ãŒåŠ£åŒ–ã™ã‚‹è¬Žã®ç¾è±¡ CodeCacheã®å®¹é‡é™ç•Œã«è¿‘ã¥ãã¨JITã‚³ãƒ³ãƒ‘ã‚¤ãƒ©ã‚’åœæ¢ã—ã¦ã‚³ãƒ³ãƒ‘ã‚¤ãƒ«ã—ãŸã‚³ãƒ¼ãƒ‰ã‚’æ¨ã¦ã‚‹æ©Ÿèƒ½ãŒåŽŸå› ã ã£ãŸ èµ·å‹•ã‚ªãƒ—ã‚·ãƒ§ãƒ³ã§å›žé¿ã§ãã‚‹ã®ã§ã€é•·æœŸé‹ç”¨ã™ã‚‹ã¨ãã¯ -XX:-UseCodeCacheFlushing, -XX:ReservedCodeCacheSize=128m ã‚’ã¤ã‘ã‚‹ ä¸Šã®ã‚ªãƒ—ã‚·ãƒ§ãƒ³ã‚’è¨å®šã—ãŸæ™‚ã«ã€C
materia-x64 2016/04/14
ã“ã†è¨€ã†ã®ã‚’ã‚ãƒãƒ³ã¨é“ç‹ãŸã¦ã¦è§£æ±ºã§ãã‚‹ã‚¹ã‚ãƒ«ãŒæ¬²ã—ã„ã€‚

java

jvm

performance
ãƒªãƒ³ã‚¯
Time to move onâ€¦
Time to moveÂ onâ€¦ 2015å¹´7æœˆ10æ—¥ at 1:00 åˆå¾Œ 1ä»¶ã®ã‚³ãƒ¡ãƒ³ãƒˆ ã¤ã„ã«ã€ã“ã®æ—¥ãŒã‚„ã£ã¦ãã¾ã—ãŸã€‚æœ¬æ—¥ãŒã‚ªãƒ©ã‚¯ãƒ«ã«ãŠã‘ã‚‹ Java ã‚¨ãƒãƒ³ã‚¸ã‚§ãƒªã‚¹ãƒˆæ´»å‹•ã®æœ€çµ‚æ—¥ã«ãªã‚Šã¾ã—ãŸã€‚Sun ã‹ã‚‰ã‚ªãƒ©ã‚¯ãƒ«ã¨ã€ç¶™ç¶šã—ã¦ã”æŒ‡å°Žã”æ”¯æ´é ‚ãã¾ã—ãŸçš†æ§˜ã€ãã—ã¦å…¨å›½ã® Java ã‚³ãƒŸãƒ¥ãƒ‹ãƒ†ã‚£ã®çš†æ§˜ã«ã€å¿ƒã‹ã‚‰åŽšãå¾¡ç¤¼ã‚’ç”³ã—ä¸Šã’ã¾ã™ã€‚ ä»Šå¾Œã€å¼•ãç¶šã Java ã‚³ãƒŸãƒ¥ãƒ‹ãƒ†ã‚£ã®çš†æ§˜ã¨äº¤æµã‚’æŒãŸã›ã¦ã„ãŸã ãã®ã¯ã€æ—¥æœ¬ã‚ªãƒ©ã‚¯ãƒ«ã®ä¼Šè—¤ æ•¬ã•ã‚“ã§ã™ã€‚ Twitter : @itakash 2001å¹´ 8æœˆã«Sun Microsystems ã«ä¸é€”å…¥ç¤¾ã—ã€æ—©ã„ã‚‚ã®ã§14å¹´ã®æœˆæ—¥ãŒæµã‚Œã¾ã—ãŸã€‚å¤–è³‡ç³»ä¼æ¥ã¨ã„ã†å‡ºå…¥ã‚ŠãŒå¤šã„ç’°å¢ƒã®ä¸ã€è‡ªèº«ã“ã‚Œã ã‘ã‚ˆãé•·ãç¶šã„ãŸã¨æ€ã£ã¦ã„ã¾ã™ã€‚Sun æ™‚ä»£ã« GlassFish ã¨ã„ã†è£½å“ã«ã‚ãã‚Šä¼šã„ã€ãƒ—ãƒªã‚»ãƒ¼ãƒ«ã‚¹å…¼ Java ã‚¨ãƒãƒ³ã‚¸ã‚§ãƒªã‚¹ãƒˆã¨ã—ã¦ã‚¨ãƒãƒ³ã‚¸ã‚§ãƒªã‚¹ãƒˆæ´»å‹•ã‚’é–‹
materia-x64 2015/07/10
java

é€€è·

ã¦ã‚‰ã ã‚ˆã—ãŠ
ãƒªãƒ³ã‚¯
String#intern ã—ãŸã‚ªãƒ–ã‚¸ã‚§ã‚¯ãƒˆã‚’ãƒãƒƒã‚¯ã‚ªãƒ–ã‚¸ã‚§ã‚¯ãƒˆã¨ã—ã¦ä½¿ã£ã¦ã¯ã„ã‘ãªã„ - ã«ã‚‡ãã«ã‚‡ããƒ–ãƒã‚°
ã€Œæ–‡å—åˆ—ã‚’ãƒãƒƒã‚¯ã‚ªãƒ–ã‚¸ã‚§ã‚¯ãƒˆã¨ã—ã¦åˆ©ç”¨ã—ãŸã„ã€å ´åˆãŒã‚ã‚‹ã€‚ ä¾‹ãˆã°æ¸¡ã•ã‚ŒãŸãƒ•ã‚¡ã‚¤ãƒ«ã«å‡¦ç†ã‚’ã™ã‚‹ãƒ¡ã‚½ãƒƒãƒ‰ã§ã€ãƒ•ã‚¡ã‚¤ãƒ«ã”ã¨ã«æŽ’ä»–å‡¦ç†ã‚’ã—ãŸã„ã¨ã™ã‚‹ã€‚ã—ã‹ã—ãƒ•ã‚¡ã‚¤ãƒ«ã‚’ãã®ã¾ã¾ãƒãƒƒã‚¯ã‚ªãƒ–ã‚¸ã‚§ã‚¯ãƒˆã¨ã—ã¦ä½¿ã£ã¦ã¯ã„ã‘ãªã„ã®ã¯æ˜Žã‚‰ã‹ã ã€‚File ã‚¤ãƒ³ã‚¹ã‚¿ãƒ³ã‚¹ã¯åŒã˜ãƒ•ã‚¡ã‚¤ãƒ«ã‚’æŒ‡ã—ã¦ã„ã¦ã‚‚åˆ¥ã®ã‚¤ãƒ³ã‚¹ã‚¿ãƒ³ã‚¹ã ã‹ã‚‰ã ã€‚ // ã“ã‚Œã‚’ã‚„ã£ã¦ã¯ã„ã‘ãªã„ï¼ public void doSomething(File file){ synchronized(file){ ... } } ã“ã‚Œã‚’å›žé¿ã—ã‚ˆã†ã¨ã—ã¦ã€ãƒ•ã‚¡ã‚¤ãƒ«ã®çµ¶å¯¾ãƒ‘ã‚¹ã‚’ãƒãƒƒã‚¯ã‚ªãƒ–ã‚¸ã‚§ã‚¯ãƒˆã¨ã—ã¦ä½¿ã†æ¡ˆãŒå‡ºã¦ãã‚‹ã€‚ã—ã‹ã—ã“ã‚Œã‚‚ã‚„ã£ã¦ã¯ã„ã‘ãªã„ã€‚ç†ç”±ã¯ä¸Šè¨˜ãƒ•ã‚¡ã‚¤ãƒ«ã¨åŒæ§˜ã€åŒã˜æ–‡å—åˆ—ã‚’æŒã¤ã‚ªãƒ–ã‚¸ã‚§ã‚¯ãƒˆã§ã‚ã£ã¦ã‚‚åˆ¥ã€…ã®ã‚¤ãƒ³ã‚¹ã‚¿ãƒ³ã‚¹ã§ã‚ã‚‹ã“ã¨ãŒã‚ã‚‹ã‹ã‚‰ã ã€‚ // ã“ã‚Œã‚’ã‚„ã£ã¦ã¯ã„ã‘ãªã„ï¼ public void doSomething(File file){ String
materia-x64 2013/02/28
java

ãƒãƒƒã‚¯

intern
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
materia-x64 2013/01/17
java

jvm

é€£è¼‰
ãƒªãƒ³ã‚¯
https://blogs.oracle.com/java/post/entry/java_vulnerabilities_addressed
materia-x64 2013/01/14
ãŠã€ã“ã®å‰ã®è„†å¼±æ€§ã®ä¿®æ£ç‰ˆãŒç·Šæ€¥ãƒªãƒªãƒ¼ã‚¹ã•ã‚Œã¦ã‚‹ã€‚ Java6ã¯ç·Šæ€¥ãƒªãƒªãƒ¼ã‚¹ã¯ãƒŠã‚·ãªã®ã‹ã€‚

java

Security
ãƒªãƒ³ã‚¯
Javaã«æ–°ãŸãªã€Œã‚¼ãƒãƒ‡ã‚¤ã€ã®è„†å¼±æ€§ã€æ—¢ã«æ‚ªç”¨æ”»æ’ƒã‚‚æ¨ªè¡Œ
æ‚ªåé«˜ã„ã€ŒBlackholeã€ã‚„ã€ŒNuclear Packã€ãªã©ã®ãƒ„ãƒ¼ãƒ«ã‚ãƒƒãƒˆãŒæ—¢ã«ã“ã®è„†å¼±æ€§ã‚’æ‚ªç”¨ã—ã¦ã„ã‚‹ã¨ã„ã†ã€‚US-CERTã¯Webãƒ–ãƒ©ã‚¦ã‚¶ã§Javaã‚’ç„¡åŠ¹ã«ã™ã‚‹å¯¾ç–ã‚’å¥¨åŠ±ã—ã¦ã„ã‚‹ã€‚ ç±³ã‚»ã‚ãƒ¥ãƒªãƒ†ã‚£æ©Ÿé–¢ã®US-CERTã¯1æœˆ10æ—¥ã€ã€ŒJava 7 Update 10ã€ã¾ã§ã®ãƒãƒ¼ã‚¸ãƒ§ãƒ³ã«æœªè§£æ±ºã®æ·±åˆ»ãªè„†å¼±æ€§ãŒè¦‹ã¤ã‹ã£ãŸã¨ã—ã¦ã€ã‚»ã‚ãƒ¥ãƒªãƒ†ã‚£æƒ…å ±ã‚’å…¬é–‹ã—ãŸã€‚ã“ã®è„†å¼±æ€§ã‚’çªã„ãŸæ”»æ’ƒã‚‚æ—¢ã«æ¨ªè¡Œã—ã¦ã„ã‚‹ã¨ã„ã†ã€‚ US-CERTã«ã‚ˆã‚‹ã¨ã€è„†å¼±æ€§ã¯ã€ŒJava Management Extensionsï¼ˆJMXï¼‰ MBeanã€ã‚³ãƒ³ãƒãƒ¼ãƒãƒ³ãƒˆã«å˜åœ¨ã™ã‚‹ã€‚æ”»æ’ƒè€…ãŒã“ã®å•é¡Œã‚’æ‚ªç”¨ã—ã¦ç´°å·¥ã‚’æ–½ã—ãŸHTMLæ–‡æ›¸ã‚’ãƒ¦ãƒ¼ã‚¶ãƒ¼ã«é–²è¦§ã•ã›ã‚‹ã“ã¨ã«ã‚ˆã‚Šã€ãƒªãƒ¢ãƒ¼ãƒˆã‹ã‚‰èªè¨¼ã‚’å—ã‘ãšã«ä»»æ„ã®ã‚³ãƒ¼ãƒ‰ã‚’å®Ÿè¡Œã§ãã¦ã—ã¾ã†æã‚ŒãŒã‚ã‚‹ã¨ã„ã†ã€‚ å…±é€šè„†å¼±æ€§è©•ä¾¡ã‚·ã‚¹ãƒ†ãƒ CVSSã«ã‚ˆã‚‹æ·±åˆ»åº¦è©•ä¾¡ã¯ã€ãƒ™ãƒ¼ã‚¹ã‚¹ã‚³ã‚¢ã§æœ€é«˜å€¤ã®ã€Œ10.0ã€ã€‚ã“ã®è„†å¼±
materia-x64 2013/01/12
java

ã‚»ã‚ãƒ¥ãƒªãƒ†ã‚£
ãƒªãƒ³ã‚¯
ã‚¸ã‚§ãƒãƒªã‚¯ã‚¹ã®ä»£å…¥äº’æ›ã®ã‚«ãƒ©ã‚¯ãƒª - ãƒ—ãƒã‚°ãƒ©ãƒžãƒ¼ã®è„³ã¿ã
Javaã‚¸ã‚§ãƒãƒªã‚¯ã‚¹å†å…¥é–€ - ãƒ—ãƒã‚°ãƒ©ãƒžãƒ¼ã®è„³ã¿ãã§ã¯ã€ã€Œå¤‰æ•°ã®åž‹ã®å®£è¨€ã€ã®é …ã§ã€Œã‚¸ã‚§ãƒãƒªã‚¯ã‚¹ã®<>ã®ä¸ã¯ä¸€èˆ¬ã®Javaã®åž‹ã®ä»£å…¥äº’æ›æ€§ã¨ã¯ç•°ãªã‚‹ã€‚ã“ã®ã“ã¨ã¯ã‚ˆãè¦šãˆã¦ãŠã‹ãªãã¦ã¯ã„ã‘ãªã„ã€‚ã€ã¨è¨€ã£ãŸã‚‚ã®ã®ã€æ·±å…¥ã‚Šã¯ã—ãªã‹ã£ãŸã€‚ ã“ã®ã‚ãŸã‚Šã«ã¤ã„ã¦æ·±å…¥ã‚Šã—ã¦ã¿ã‚ˆã†ã˜ã‚ƒãªã„ã‹ã€‚ ã¨ã‚Šã‚ãˆãšã‚µãƒ³ãƒ—ãƒ«ã‚³ãƒ¼ãƒ‰ã¯Javaã§è¨˜è¿°ã—ã¦ã„ããŒã€ã“ã®ã‚ãŸã‚Šã¯ã‚¸ã‚§ãƒãƒªã‚¯ã‚¹æŒ‡å‘ã®æ¦‚å¿µã®éƒ¨åˆ†ã ã‹ã‚‰ã€ã‚ã¾ã‚Šè¨€èªžã«ä¾ã‚‹ã“ã¨ã¯ãªã„ã€‚ä¾¿å®œçš„ã«Javaã§æ›¸ãã€ã¨ã—ã¦ãŠã“ã†ã€‚ ã¾ãšã€åž‹å¤‰æ•°ã®å¢ƒç•Œã«ã¤ã„ã¦è€ƒãˆã‚‹ãŸã‚ã«ä»¥ä¸‹ã®ç¶™æ‰¿é–¢ä¿‚ã®ã‚¯ãƒ©ã‚¹ã‚’ç”¨æ„ã—ã¦ãŠãã€‚ public class A {} public class B extends A {} public class C extends B {} public class B2 extends A {} public class C2 extends B {} ã“ã‚Œã¯å›³ã§
materia-x64 2012/11/08
java

ã‚¸ã‚§ãƒãƒªã‚¯ã‚¹

generics
ãƒªãƒ³ã‚¯
2010-07-16
2010-07-16 Java: å…¬å¼ã‚µã‚¤ãƒˆãŒå¼•è¶Šã—ä¸ prog Java ã®é–‹ç™ºè€…å‘ã‘å…¬å¼ã‚µã‚¤ãƒˆã¯ã“ã‚Œã¾ã§ http://java.sun.com ã¨ã„ã† URL ã§é‹å–¶ã•ã‚Œã¦ã„ãŸãŒã€7 æœˆä¸ã« Oracle ã®ã‚µã‚¤ãƒˆã¸å¼•ã£è¶Šã™ã‚‰ã—ã„ã€‚æ–°ã—ã„ URL ã¯ http://www.oracle.com/tech network/java/index.html ã«ãªã‚‹ã€‚ã™ã§ã«ãƒˆãƒƒãƒ—ãƒšãƒ¼ã‚¸ã¯å˜åœ¨ã—ã¦ã„ã‚‹ã€‚ 2010-07-16 Java: PermGen ã¯ãƒ’ãƒ¼ãƒ—ã®å¤– prog ä»Šé ƒçŸ¥ã£ãŸã€‚PermGen ã‚‚æ™®é€šã«ãƒ’ãƒ¼ãƒ—å†…ã ã¨æ€ã£ã¦ã¾ã—ãŸã€‚
materia-x64 2012/10/11
java

jvm
ãƒªãƒ³ã‚¯
ç±³Googleã€Javaã‚³ãƒ¼ãƒ‰ã‚’Objective-Cã«å¤‰æ›ã™ã‚‹ãƒ„ãƒ¼ãƒ«ã€ŒJ2ObjCã€ã‚’å…¬é–‹ ï¼ ï¼ IT
2012/09/18 ç±³Googleã¯ã€ã‚ªãƒ¼ãƒ—ãƒ³ã‚½ãƒ¼ã‚¹ã®ã‚³ãƒ¼ãƒ‰å¤‰æ›ãƒ„ãƒ¼ãƒ«ã€ŒJ2ObjCã€ã‚’ãƒªãƒªãƒ¼ã‚¹ã—ãŸã€‚Javaã®ã‚½ãƒ¼ã‚¹ã‚³ãƒ¼ãƒ‰ã‚’iOSã‚¢ãƒ—ãƒªé–‹ç™ºã«ä½¿ã‚ã‚Œã‚‹Objective-Cã®ã‚½ãƒ¼ã‚¹ã‚³ãƒ¼ãƒ‰ã«å¤‰æ›ã§ãã‚‹ã€‚ Googleã®ã‚ªãƒ¼ãƒ—ãƒ³ã‚½ãƒ¼ã‚¹ãƒ–ãƒã‚°ã«ã‚ˆã‚‹ã¨ã€åŒãƒ„ãƒ¼ãƒ«ã§ã¯Javaã‚³ãƒ¼ãƒ‰ã‚’iOSã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ãƒ“ãƒ«ãƒ‰ã®ä¸€éƒ¨ã¨ã™ã‚‹ã“ã¨ãŒã§ãã€ç”Ÿæˆã•ã‚ŒãŸãƒ•ã‚¡ã‚¤ãƒ«ã®ç·¨é›†ã¯ä¸è¦ã€‚ãƒ‡ãƒ¼ã‚¿ã‚¢ã‚¯ã‚»ã‚¹ã‚„ã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ãƒã‚¸ãƒƒã‚¯ã¨ã„ã£ãŸã€UIä»¥å¤–ã®éƒ¨åˆ†ã«é–¢ã™ã‚‹ã‚³ãƒ¼ãƒ‰ã‚’Javaã§è¨˜è¿°ã—ã€ãã‚Œã‚’Webã‚¢ãƒ—ãƒªã ã‘ã§ãªãAndroidã‚¢ãƒ—ãƒªã€iOSã‚¢ãƒ—ãƒªã§å…±æœ‰ã§ãã‚‹ã€‚ Java 6ã‚’å®Œå…¨ã‚µãƒãƒ¼ãƒˆã—ã¦ã„ã‚‹ã»ã‹ã€ãƒ©ãƒ³ã‚¿ã‚¤ãƒ æ©Ÿèƒ½ã®ã†ã¡ã€ä¾‹å¤–ã€å†…éƒ¨ãŠã‚ˆã³åŒ¿åã‚¯ãƒ©ã‚¹ã€ã‚¸ã‚§ãƒãƒªãƒƒã‚¯ã‚¿ã‚¤ãƒ—ã€ã‚¹ãƒ¬ãƒƒãƒ‰ã€ãƒªãƒ•ãƒ¬ã‚¯ã‚·ãƒ§ãƒ³ãªã©ã€ã‚¯ãƒ©ã‚¤ã‚¢ãƒ³ãƒˆã‚µã‚¤ãƒ‰ã®ã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³é–‹ç™ºã«å¿…è¦ãªæ©Ÿèƒ½ã®å¤§åŠã‚’ã‚µãƒãƒ¼ãƒˆã€‚JUnitãƒ†ã‚¹ãƒˆå¤‰æ›ã¨å®Ÿè¡Œã«ã‚‚å¯¾å¿œã—ã€Xcodeã¨M
materia-x64 2012/09/19
java

Objective-C

iOS
ãƒªãƒ³ã‚¯
ã€ŒCVE-2012-4681:Oracle Java7 ä»»æ„ã®OSã‚³ãƒžãƒ³ãƒ‰ãŒå®Ÿè¡Œå¯èƒ½ãªè„†å¼±æ€§ã€ã®æ”»æ’ƒæ‰‹æ³•è§£èª¬ - ( ê’ªâŒ“ê’ª) ã‚†ã‚‹ã‚ˆã‚æ—¥è¨˜
Ocacle Java7ã§ä»»æ„ã®OSã‚³ãƒžãƒ³ãƒ‰ã‚’å®Ÿè¡Œå¯èƒ½ãªè„†å¼±æ€§ãŒã‚ã‚‹ã€ã¨è©±é¡Œã«ãªã‚Šã¾ã—ãŸã€‚ JVNTA12-240A: Oracle Java 7 ã«è„†å¼±æ€§ æœ¬æ—¥ãƒ‘ãƒƒãƒãŒãƒªãƒªãƒ¼ã‚¹ã•ã‚Œã¾ã—ãŸã€‚ Oracleã€Javaã®æ·±åˆ»ãªè„†å¼±æ€§ã‚’å…¬è¡¨â€•æ”»æ’ƒè€…ã¯ãƒªãƒ¢ãƒ¼ãƒˆã§ã‚ã‚‰ã‚†ã‚‹æ“ä½œãŒå¯èƒ½ã€”ä»Šæœãƒ‘ãƒƒãƒç·Šæ€¥ãƒªãƒªãƒ¼ã‚¹ã€• Alert for CVE-2012-4681 PoCã‚³ãƒ¼ãƒ‰ã‚‚å…¬é–‹ã•ã‚Œã¦ã„ã¾ã™ã€‚ã“ã®è„†å¼±æ€§ã‚’çªãæ”»æ’ƒã¯ã©ã®ã‚ˆã†ãªã‚‚ã®ã‹èˆˆå‘³ãŒã‚ã£ãŸã®ã§ã€èª¿ã¹ã¦ã¿ã¾ã—ãŸã€‚ èª¿æŸ»çµæžœã¯ã€ä»Šé€±ã«è¡Œã‚ã‚ŒãŸ8æœˆ29æ—¥ JJUG Night Seminar ~ Java VM&LT&ç´æ¶¼ä¼š ~(æ±äº¬éƒ½) ã§è©±ã—ã¦ããŸã®ã§ã™ãŒã€ãƒ‘ãƒƒãƒã‚‚å‡ºãŸã“ã¨ã ã—ãƒ–ãƒã‚°ã«ã‚‚æ›¸ã„ã¦ã¿ã‚ˆã†ã¨æ€ã„ã¾ã™ã€‚ Javaã®ã‚»ã‚ãƒ¥ãƒªãƒ†ã‚£ãƒ¢ãƒ‡ãƒ«ã«ã¤ã„ã¦ Javaã®ã‚»ã‚ãƒ¥ãƒªãƒ†ã‚£ã¯ã€ã‚µãƒ³ãƒ‰ãƒœãƒƒã‚¯ã‚¹ãƒ¢ãƒ‡ãƒ«ã«ã‚ˆã£ã¦ç¢ºä¿ã•ã‚Œã¦ã„ã¾ã™ã€‚ã‚µãƒ³ãƒ‰ãƒœãƒƒã‚¯ã‚¹ã¯ã€JVMä¸Šã§å®Ÿè¡Œã•
materia-x64 2012/08/31
ã“ã£ã¡ã ãƒ»ãƒ»ãƒ»

java

ã‚»ã‚ãƒ¥ãƒªãƒ†ã‚£
ãƒªãƒ³ã‚¯
( ê’ªâŒ“ê’ª) ã‚†ã‚‹ã‚ˆã‚æ—¥è¨˜
ã©ã†ã‚‚ã€ã—ã„ãŸã‘ã§ã™ã€‚ åŽ»å¹´ã‚ãŸã‚Šã‹ã‚‰ãƒãƒ¼ãƒ¬ã‚¤ãƒ¤ãƒ¼å‘¨ã‚Šã®çŸ¥è˜ã‚’å……å®Ÿã•ã›ã‚ˆã†ã¨æ€ã„ã€ ä½Žãƒ¬ã‚¤ãƒ¤ã‚’çŸ¥ã‚ŠãŸã„äººã®ãŸã‚ã®Cã‚³ãƒ³ãƒ‘ã‚¤ãƒ©ä½œæˆå…¥é–€ ã‚’èªã‚“ã§Cã‚³ãƒ³ãƒ‘ã‚¤ãƒ©ã‚’æ›¸ã„ã¦ã¿ãŸã‚Šx86_64ã®å‹‰å¼·ã‚’ã—ãŸã‚Šã—ã¦ã„ã¾ã—ãŸã€‚ ä»Šå¹´ã«å…¥ã£ã¦ã‹ã‚‰ã€ã‚ˆã‚Šãƒãƒ¼ãªãƒ¬ã‚¤ãƒ¤ãƒ¼ã€å…·ä½“çš„ã«ã¯ãƒãƒ¼ãƒ‰ã‚¦ã‚§ã‚¢ã‚„OSã«ã¤ã„ã¦ã‚‚ã†å°‘ã—çŸ¥ã‚ŠãŸã„ã¨æ€ã„å§‹ã‚ã€æ‰‹é ƒãªæ›¸ç±ã‚’æŽ¢ã—ã¦ã„ã¾ã—ãŸã€‚ CPUãªã©ã®ãƒãƒ¼ãƒ‰ã‚¦ã‚§ã‚¢å‘¨ã‚Šã«ã¤ã„ã¦ã¯æ¦‚è¦ã—ã‹çŸ¥ã‚‰ãªãã¦æ‰‹ã‚’å‹•ã‹ã—ãŸã“ã¨ãŒãªã„ã®ã§ã€å®Ÿéš›ã«ä½•ã‹ä½œã‚ŠãªãŒã‚‰å¦ã¹ã‚‹ã‚‚ã®ã¨ã—ã¦ã€ O'Reilly Japan - ã‚³ãƒ³ãƒ”ãƒ¥ãƒ¼ã‚¿ã‚·ã‚¹ãƒ†ãƒ ã®ç†è«–ã¨å®Ÿè£… ã«æŒ‘æˆ¦ã™ã‚‹ã“ã¨ã«ã—ã¾ã—ãŸã€‚ O'Reilly Japan - ã‚³ãƒ³ãƒ”ãƒ¥ãƒ¼ã‚¿ã‚·ã‚¹ãƒ†ãƒ ã®ç†è«–ã¨å®Ÿè£… æˆæžœç‰©ã¯ä»¥ä¸‹ã®ãƒªãƒã‚¸ãƒˆãƒªã«ç½®ã„ã¦ã‚ã‚Šã¾ã™ã€‚ yuroyoro/nand2tetris çµè«–ã‹ã‚‰è¨€ã†ã¨ã€ã‚„ã£ã¦ã¿ã¦å¤§å¤‰æ¥½ã—ã‚ã¾ã—ãŸï¼ ç‰¹ã«ãƒãƒ¼ãƒ‰ã‚¦ã‚§ã‚¢å‘¨ã‚Šã¯ä»Šã¾ã§æŒ‘æˆ¦ã—ãŸã“
materia-x64 2012/08/31
ã‚‚ã†PoCå‡ºã¦ã‚‹ã‚“ã ãƒ»ãƒ»ãƒ»

java

ã‚»ã‚ãƒ¥ãƒªãƒ†ã‚£
ãƒªãƒ³ã‚¯
Acroquest-Java ãƒˆãƒ©ãƒ–ãƒ«ã‚·ãƒ¥ãƒ¼ãƒ†ã‚£ãƒ³ã‚°(Javaã®ãƒˆãƒ©ãƒ–ãƒ«ã‚·ãƒ¥ãƒ¼ãƒˆã¯ã“ã¡ã‚‰)
Javaãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°è¨€èªžç¿’å¾—ã«ãŠã„ã¦ã€æ–°äººãƒ—ãƒã‚°ãƒ©ãƒžãƒ¼ã®æœ€åˆã®éšœå®³ã¯ã€Œã‚ªãƒ–ã‚¸ã‚§ã‚¯ãƒˆæŒ‡å‘ã®å£ã€ã§ã™ã€‚ æœ¬æ›¸ã¯ã€Javaã®ã‚½ãƒ•ãƒˆã‚¦ã‚§ã‚¢é–‹ç™ºã‚’ä¸å¿ƒã«äº‹æ¥ã‚’ç™ºå±•ã•ã›ã¦ããŸAcroquestç¤¾ã®æ–°äººæ•™è‚²ã‚»ãƒŸãƒŠãƒ¼ã‚’åŠ ç†ãƒ»æ›¸ç±åŒ–ã—ãŸã‚‚ã®ã§ã€å¤§å’ã®æ–°äººã«å¯¾ã—ã¦ã€ã‚¼ãƒã‹ã‚‰Javaè¨€èªžã‚’æ•™ãˆã¦ããŸå®Ÿç¸¾ã‚’ãƒ•ã‚£ãƒ¼ãƒ‰ãƒãƒƒã‚¯ã—ã¦ã„ã¾ã™ã€‚
materia-x64 2012/08/17
java

ãƒˆãƒ©ãƒ–ãƒ«ã‚·ãƒ¥ãƒ¼ãƒˆ

ä¾¿åˆ©
ãƒªãƒ³ã‚¯
https://blog.ik.am/entries/61
materia-x64 2012/06/19
èªã‚‚ã†ã€‚èªã‚“ã§ãªã„ã®ã‚‚ã„ã£ã±ã„ã‚ã‚‹ã€‚

Java

å‹‰å¼·

æ›¸ç±
ãƒªãƒ³ã‚¯
http://blog.ik.am/entries/138
materia-x64 2012/06/19
ã“ã®ãƒ¬ãƒ™ãƒ«ã«ã™ã‚‹ã®ãŒç†æƒ³ã€‚ã§ã‚‚ã“ã“ã¾ã§ç†è§£ã§ããšã«æ›¸ã„ã¦ã‚‹äººã„ã£ã±ã„å±…ã‚‹ã€‚è‡ªåˆ†ã‚‚å…¨éƒ¨OKã˜ã‚ƒãªã„ã€‚ã‚ãƒãƒ³ã¨äººã«èª¬æ˜Žã§ãã‚‹ãƒ¬ãƒ™ãƒ«ã¾ã§è¡ŒããŸã„ãªã€‚

java

ãƒ¬ãƒ“ãƒ¥ãƒ¼
ãƒªãƒ³ã‚¯
è™šç„¡åƒ§2.0
è™šç„¡åƒ§ã¨ã¯ä½•ã§ã™ã‹ï¼Ÿ è™šç„¡åƒ§ã¯ã‚·ãƒ³ãƒ—ãƒ«ãª MBean ã‚µãƒ¼ãƒãƒ¢ãƒ‹ã‚¿ãƒªãƒ³ã‚°ãƒ„ãƒ¼ãƒ«ã§ã™ã€‚ è™šç„¡åƒ§ã‚’ä½¿ãˆã° JBoss, WebLogic Server, Tomcat, Oracle Application Server and WebSphere ãªã©ã€ã‚ã‚‰ã‚†ã‚‹ MBean ãƒ™ãƒ¼ã‚¹ã®ã‚µãƒ¼ãƒã‚’ãƒãƒ¼ã‚«ãƒ«ã‹ã‚‰ã€ã¾ãŸã¯ãƒªãƒ¢ãƒ¼ãƒˆã‹ã‚‰ç›£è¦–ã™ã‚‹ã“ã¨ãŒã§ãã¾ã™ã€‚ è™šç„¡åƒ§ã®ãƒ¦ãƒ‹ãƒ¼ã‚¯ãªç‚¹ã¯æœ¬ä½“ãŒãŸã£ãŸ 150 è¡Œã¨ã„ã†ãã®ã‚·ãƒ³ãƒ—ãƒ«ã•ã«ã‚ã‚Šã¾ã™ã€‚ãƒ‡ãƒ•ã‚©ãƒ«ãƒˆã®å‹•ä½œã¯ä»»æ„ã® MBean å±žæ€§ã®å€¤ã‚’å®šæœŸçš„ã« CSV å½¢å¼ã§æ›¸ãå‡ºã™ã ã‘ã§ã™ãŒã€ã‚½ãƒ¼ã‚¹ã‚³ãƒ¼ãƒ‰ã‚’ç†è§£ã™ã‚‹ã®ã‚‚ã‚«ã‚¹ã‚¿ãƒžã‚¤ã‚ºã™ã‚‹ã®ã‚‚éžå¸¸ã«ç°¡å˜ã§ã™ã€‚ ã‚·ã‚¹ãƒ†ãƒ è¦ä»¶ OS: Java ã‚’ã‚µãƒãƒ¼ãƒˆã™ã‚‹ Windows ã¾ãŸã¯ Unix ç³» OS JVM: Java5 ä»¥é™ ã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã‚µãƒ¼ãƒ: JMX Remote API(JSR160) ã‚’ã‚µãƒãƒ¼ãƒˆã™ã‚‹ã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·
materia-x64 2012/02/19
jmx

monitoring

java
ãƒªãƒ³ã‚¯
æ€¥ãŽã§40ä¸‡å††ã»ã©ã‚ãƒ£ãƒƒã‚·ãƒ³ã‚°ã—ãŸã„ã‚“ã ã‘ã©ã§ãã‚‹ã‹ãªâ€¦ | Â«å€Ÿã‚ŠãŸã„ï¼æ¬²ã—ã„ï¼Â»ï¼•ä¸‡å††å€Ÿã‚ŠãŸã„è²´æ–¹ã¸å„ªè‰¯é‡‘èžä¼šç¤¾ç´¹ä»‹
ä»Šã¾ã§ã«ã‚ãƒ£ãƒƒã‚·ãƒ³ã‚°ã‚’ã—ãŸã“ã¨ãŒãªã„åˆå¿ƒè€…ã§ã™ã€‚ã‚ãƒ£ãƒƒã‚·ãƒ³ã‚°ã«ã¤ã„ã¦è©³ã—ããªã„ã®ã§ã‚ˆãåˆ†ã‹ã£ã¦ã„ãªã„ã‚“ã ã‘ã©ã€ã¡ã‚‡ã£ã¨ã—ãŸäº‹æƒ…ãŒã‚ã£ã¦æ€¥ãŽã§ï¼”ï¼ä¸‡å††ã»ã©å¿…è¦ã§ã™ã€‚ã‚ãƒ£ãƒƒã‚·ãƒ³ã‚°ã§ï¼”ï¼ä¸‡å††å€Ÿã‚Šã‚‹ã®ã£ã¦å¯èƒ½ãªã®ã‹ãªï¼Ÿ ä¸å¯èƒ½ã§ã¯ã‚ã‚Šã¾ã›ã‚“ãŒã€ä¸€å®šã®æ¡ä»¶ãŒæ±‚ã‚ã‚‰ã‚Œã¾ã™ ã‚ãƒ£ãƒƒã‚·ãƒ³ã‚°ã—ãŸã„æ™‚ã®ã‚±ãƒ¼ã‚¹ã®ã»ã¨ã‚“ã©ãŒã€Œæ€¥ãŽã§ãƒ»ãƒ»ãƒ»ã€ã§ã™ã‚ˆãã€‚åˆ†ã‹ã‚Šã¾ã™ã€ãã®æ°—æŒã¡ã€‚ã‚ãƒ£ãƒƒã‚·ãƒ³ã‚°ç”³è¾¼ã‚’ã—ã¦ï¼”ï¼ä¸‡å††å€Ÿã‚Šã‚‹ã®ã¯ä¸å¯èƒ½ã§ã¯ã‚ã‚Šã¾ã›ã‚“ã€‚ã—ã‹ã—ã€åˆã‚ã¦ã®ã‚ãƒ£ãƒƒã‚·ãƒ³ã‚°ã§ï¼”ï¼ä¸‡å††å€Ÿã‚Šã‚‹ãŸã‚ã«ã¯ä¸€å®šã®æ¡ä»¶ãŒæ±‚ã‚ã‚‰ã‚Œã¾ã™ã€‚ ã‚ãƒ£ãƒƒã‚·ãƒ³ã‚°ä¼šç¤¾ã¯ã€åˆã‚ã¦ã‚ãƒ£ãƒƒã‚·ãƒ³ã‚°ã™ã‚‹äººã«é«˜é¡ã®è²¸ä»˜ã‚’è¡Œãªã†ã“ã¨ã‚’æ¸‹ã‚Šã¾ã™ã€‚ã¨ã„ã†ã®ã¯ã€å®Ÿç¸¾ãŒãªã„ã‹ã‚‰ã§ã™ã€‚å®Ÿç¸¾ã¨ã¯ã€ã‚ãƒ£ãƒƒã‚·ãƒ³ã‚°è¿”æ¸ˆã®å®Ÿç¸¾ã§ã™ã€‚è¿”æ¸ˆã®å®Ÿç¸¾ãŒã‚ã‚‹äººã¯ã€ã‚ãƒ£ãƒƒã‚·ãƒ³ã‚°ä¼šç¤¾ã®ä¿¡é ¼ã‚’å¾—ã‚‹ã“ã¨ãŒå®¹æ˜“ã§ã™ãŒã€çµŒé¨“ãŒãªã„äººã¯ãã†ã„ã†ã‚ã‘ã«ã¯ã„ãã¾ã›ã‚“ã€‚ å®Ÿç¸¾ã‚¼ãƒã®ã‚ãƒ£ãƒƒã‚·ãƒ³ã‚°åˆå¿ƒè€…ã«é«˜é¡ã®è²¸ä»˜ã‚’æ¸‹
materia-x64 2012/02/07
Java

ã‚³ãƒ¼ãƒ‡ã‚£ãƒ³ã‚°

è¦ç´„

ã“ã‚Œã¯ã²ã©ã„

ãƒã‚¿
ãƒªãƒ³ã‚¯
ã‚¨ãƒ³ã‚¸ãƒ‹ã‚¢type æŠ€è¡“è€…ã®ã‚ãƒ£ãƒªã‚¢ã‚’è€ƒãˆã‚‹Webãƒžã‚¬ã‚¸ãƒ³ - è»¢è·ï¼ type
ã‚¨ãƒ³ã‚¸ãƒ‹ã‚¢typeã¯ã€å„ç¨®ã‚¨ãƒ³ã‚¸ãƒ‹ã‚¢ã‚’ã¯ã˜ã‚ã€Œå‰µã‚‹äººãŸã¡ã€ã®ã‚ãƒ£ãƒªã‚¢å½¢æˆã«å½¹ç«‹ã¤æƒ…å ±ã‚’ç™ºä¿¡ã™ã‚‹ã€Žï¼ typeã€ã®ã‚³ãƒ³ãƒ†ãƒ³ãƒ„ã§ã™ã€‚
materia-x64 2012/01/27
ã‚ã‚¿ï¼ˆãƒ»âˆ€ãƒ»ï¼‰

ã‚¨ãƒ³ã‚¸ãƒ‹ã‚¢

java
ãƒªãƒ³ã‚¯
watermint.org Â» Blog Archive Â» Javaä½¿ã„ãŒã‚½ãƒ¼ã‚·ãƒ£ãƒ«ã‚µãƒ¼ãƒ“ã‚¹é–‹ç™ºã®ç¾å ´ã§æ€ã£ãŸã“ã¨
å¯ºç”°ã•ã‚“ã«ã¤ã¥ãã€Java Advent Calendar 2011ã®12æœˆ20æ—¥åˆ†ã§ã™ã€‚æ˜Žæ—¥ã¯zinbeã•ã‚“ã§ã™ã€‚ ã•ã¦ä»Šå›žã¯Javaè‡ªä½“ã®è©±ã§ã¯ãªãã¦ã€ç¾åœ¨ã®å‹¤å‹™å…ˆã§ã‚„ã£ã¦ã„ã‚‹ã‚ˆã†ãªã‚½ãƒ¼ã‚·ãƒ£ãƒ«ã‚µãƒ¼ãƒ“ã‚¹ã®é–‹ç™ºã¨Javaã®é–¢ä¿‚ã«ã¤ã„ã¦å°‘ã—è€ƒå¯Ÿã—ã¾ã™ã€‚ã¾ãšè‡ªåˆ†è‡ªèº«ã®ã‚¹ã‚ãƒ«ã‚’ç°¡å˜ã«ç´¹ä»‹ã—ã¦ãŠãã¨ã€Sun Microsystemsæ™‚ä»£ã«ã¯7å¹´ç¨‹åº¦Javaã«é–¢é€£ã™ã‚‹ä»•äº‹ã‚’ã—ã¦ã„ã¾ã—ãŸã€‚ãã®å†…å®¹ã¯é‡‘èžæ¥ã€æµé€šæ¥ã€è£½é€ æ¥ãªã©æ§˜ã€…ãªæ¥ç¨®ã®ã‚µãƒ¼ãƒ“ã‚¹ã‚’æ”¯ãˆã‚‹ã‚·ã‚¹ãƒ†ãƒ æ§‹ç¯‰ã‚„ã€ãƒˆãƒ©ãƒ–ãƒ«è§£æ±ºã®ãŠæ‰‹ä¼ã„ã¨ã„ã†å†…å®¹ã§ã—ãŸã€‚ãã®å¾Œã€ACCESSã«ç§»ã£ã¦ã™ã“ã—Javaã‹ã‚‰é›¢ã‚Œã¦Objective-Cã‚’æ›¸ã„ã¦ã„ã¾ã—ãŸã€‚ç¾è·ã§ã¯Objective-Cã‚‚æ™‚ã€…è§¦ã‚Šã¾ã™ãŒPHPãŒãƒ¡ã‚¤ãƒ³ã§ã™ã€‚Objective-Cã¯å®Ÿè³ª1å¹´ã€PHPã‚‚åŒã˜ã1å¹´ãã‚‰ã„ã¨ã„ã†ã¨ã“ã‚ã§ã—ã‚‡ã†ã‹ã€‚æœ¬æ ¼çš„ã«Javaã‚’ä½¿ã†ã“ã¨ã‹ã‚‰é›¢ã‚Œã¦ãŠã‚ˆã3å¹´ãŸã¡ã¾ã—ãŸãŒã€
materia-x64 2011/12/25
java

ä»Šå¾Œ
ãƒªãƒ³ã‚¯
JUnit ã®ã‚»ã‚«ã‚¤ #JJUG - ã‚„ã•ã—ã„ãƒ‡ã‚¹ãƒžãƒ¼ãƒ
ã“ã®ã‚¨ãƒ³ãƒˆãƒªãƒ¼ã¯ã€@cero-tã•ã‚“ã®ã‚¨ãƒ³ãƒˆãƒªãƒ¼ã®æ¬¡ã§ã€Java Advent Calendar 2011ã®6ç•ªç›®ã®ã‚¨ãƒ³ãƒˆãƒªãƒ¼ã§ã™ã€‚è‡ªåˆ†è‡ªèº«ã®ä»Šå¹´ã®ãƒ¡ã‚¤ãƒ³ãƒ†ãƒ¼ãƒžãŒTDDï¼ˆãƒ†ã‚¹ãƒˆé§†å‹•é–‹ç™ºï¼‰ã¨è¨€ã†äº‹ã‚‚ã‚ã‚Šã€é–¢é€£ã‚¨ãƒ³ãƒˆãƒªãƒ¼ã¨ã—ã¦JUnitã«ã¤ã„ã¦æ›¸ããŸã„ã‹ã¨æ€ã„ã¾ã™ã€‚ä»Šæ›´JUnitï¼Ÿã¨æ€ã‚ã‚ŒãŸæ–¹ã‚‚æ™®æ®µã‹ã‚‰JUnitã‚’ä½¿ã£ã¦ã„ã‚ãªãŸã‚‚æ°—è»½ã«ãŠèªã¿ãã ã•ã„ã€‚å°šã€è‰²ã€…ãªè©±é¡Œã‚’é§†ã‘è¶³ã§ç´¹ä»‹ã™ã‚‹ã®ã§ã€ã©ã‚Œã‚‚ç°¡å˜ãªç´¹ä»‹ç¨‹åº¦ã«ãªã£ã¦ã—ã¾ã„ã¾ã™ãŒã€ã”äº†æ‰¿é¡˜ã„ã¾ã™ã€‚ JUnit4 ã‚¹ã‚¿ã‚¤ãƒ« JUnitãŒã‚¢ãƒŽãƒ†ãƒ¼ã‚·ãƒ§ãƒ³ã«å¯¾å¿œã—çµæ§‹ãªæœˆæ—¥ãŒæµã‚Œã¾ã—ãŸãŒã€å¤ã„ã‚³ãƒ¼ãƒ‡ã‚£ãƒ³ã‚°è¦ç´„ã®ã¾ã¾ã§ãƒ†ã‚¹ãƒˆã‚³ãƒ¼ãƒ‰ã‚’æ›¸ã„ã¦ã„ã¾ã›ã‚“ã‹ï¼ŸJUnit4ã§ã¯ã€ã‚¢ãƒŽãƒ†ãƒ¼ã‚·ãƒ§ãƒ³ã¨ã‚¢ã‚µãƒ¼ã‚·ãƒ§ãƒ³ã‚’ä½¿ã£ãŸãƒ†ã‚¹ãƒˆã‚³ãƒ¼ãƒ‰ã‚’æ›¸ãã“ã¨ãŒåŸºæœ¬ã‚¹ã‚¿ã‚¤ãƒ«ã§ã™ã€‚ã‹ã¤ã¦ã¯ã€TestCaseã®ã‚µãƒ–ã‚¯ãƒ©ã‚¹ã‚’ä½œã‚Šã€testã§ã¯ã˜ã¾ã‚‹ãƒ¡ã‚½ãƒƒãƒ‰ã‚’å®šç¾©ã—ã¦ã„ã¾ã—ãŸãŒã€ä»Šã¯ Testã‚¢ãƒŽ
materia-x64 2011/12/06
test

junit

java
ãƒªãƒ³ã‚¯
1