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Comparator (Java Platform SE 6)
java.util ã‚¤ãƒ³ã‚¿ãƒ•ã‚§ãƒ¼ã‚¹ Comparator<T> åž‹ãƒ‘ãƒ©ãƒ¡ãƒ¼ã‚¿:T - ã“ã®ã‚³ãƒ³ãƒ‘ãƒ¬ãƒ¼ã‚¿ã«ã‚ˆã‚Šæ¯”è¼ƒã•ã‚Œã‚‹ã‚ªãƒ–ã‚¸ã‚§ã‚¯ãƒˆã®åž‹ æ—¢çŸ¥ã®å®Ÿè£…ã‚¯ãƒ©ã‚¹ã®ä¸€è¦§: Collator, RuleBasedCollator public interface Comparator<T> ã‚ªãƒ–ã‚¸ã‚§ã‚¯ãƒˆã®ã‚³ãƒ¬ã‚¯ã‚·ãƒ§ãƒ³ã§ã€Œå…¨ä½“é †åºä»˜ã‘ã€ã‚’è¡Œã†æ¯”è¼ƒé–¢æ•°ã§ã™ã€‚ã‚³ãƒ³ãƒ‘ãƒ¬ãƒ¼ã‚¿ (Comparator) ã‚’ã‚½ãƒ¼ãƒˆãƒ¡ã‚½ãƒƒãƒ‰ (Collections.sort ã‚„ Arrays.sort ãªã©) ã«æ¸¡ã™ã¨ã€ã‚½ãƒ¼ãƒˆé †ã‚’æ£ç¢ºã«åˆ¶å¾¡ã§ãã¾ã™ã€‚ã¾ãŸã€ã‚³ãƒ³ãƒ‘ãƒ¬ãƒ¼ã‚¿ã‚’ä½¿ç”¨ã™ã‚‹ã¨ã€ã‚½ãƒ¼ãƒˆã‚»ãƒƒãƒˆã‚„ã‚½ãƒ¼ãƒˆãƒžãƒƒãƒ—ãªã©ã®ç‰¹å®šã®ãƒ‡ãƒ¼ã‚¿æ§‹é€ ã®é †åºã‚’åˆ¶å¾¡ã—ãŸã‚Šã€è‡ªç„¶é †åºä»˜ã‘ã‚’æŒãŸãªã„ã‚ªãƒ–ã‚¸ã‚§ã‚¯ãƒˆã®ã‚³ãƒ¬ã‚¯ã‚·ãƒ§ãƒ³ã«é †åºä»˜ã‘ã‚’æä¾›ã—ãŸã‚Šã™ã‚‹ã“ã¨ã‚‚ã§ãã¾ã™ã€‚ ã‚³ãƒ³ãƒ‘ãƒ¬ãƒ¼ã‚¿ c ãŒè¦ç´ ã®ã‚»ãƒƒãƒˆ S ã§è¡Œã†é †åºä»˜ã‘ã¯ã€S ã®ã™ã¹ã¦ã® e1 ãŠã‚ˆã³ e2 ã«
advblog 2015/07/09
Java
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ArrayList è¦ç´ ã®ã‚½ãƒ¼ãƒˆã¨ Comparator - Java å…¥é–€
YouTube è§£èª¬ãƒ“ãƒ‡ã‚ªã€Œã‚ªãƒ–ã‚¸ã‚§ã‚¯ãƒˆã‚’ä¸¦ã¹æ›¿ãˆã‚‹ã¨ã¯ï¼Ÿã‚³ãƒ³ãƒ‘ãƒ¬ãƒ¼ã‚¿ã®å®Ÿè£…æ–¹æ³•ã€ ã‚ªãƒ–ã‚¸ã‚§ã‚¯ãƒˆã®ã‚½ãƒ¼ãƒˆã¨ã‚³ãƒ³ãƒ‘ãƒ¬ãƒ¼ã‚¿ã®å®Ÿè£…æ–¹æ³•ã«ã¤ã„ã¦ã€è§£èª¬ãƒ“ãƒ‡ã‚ªã‚’ä½œæˆã—ã¾ã—ãŸã€‚ ã“ã®ãƒšãƒ¼ã‚¸ã§æ›¸ã„ã¦ã„ã‚‹å†…å®¹ã‚’ã»ã¼ãã®ã¾ã¾èª¬æ˜Žã—ã¦ã¾ã™ã€‚ ã“ã®ãƒ“ãƒ‡ã‚ªã‚’è¦‹ã¦ã„ãŸã ã‘ã‚Œã°ã€ã™ãã‚ã‹ã‚‹ã¨æ€ã„ã¾ã™ã€‚ åŠ±ã¿ã«ãªã‚Šã¾ã™ã®ã§ã€ã§ãã‚Œã°ãƒãƒ£ãƒ³ãƒãƒ«ç™»éŒ²ã‚‚ãŠé¡˜ã„ã—ã¾ã™ ãƒªã‚¹ãƒˆå†…ã®è¦ç´ ã®ä¸¦ã¹æ›¿ãˆã¨ã¯ï¼Ÿ ArrayList ã¨ã„ã†ã®ã¯ä½•ã‚‰ã‹ã®è¦ç´ (ã‚ªãƒ–ã‚¸ã‚§ã‚¯ãƒˆ) ãŒæ•°ç ç¹‹ãŽã«ä¸¦ã‚“ã§ã„ã¦ã€ã‚¤ãƒ³ãƒ‡ãƒƒã‚¯ã‚¹ã‚’ä½¿ã£ã¦é…åˆ—ã®ã”ã¨ãç‰¹å®šã®è¦ç´ ã«ã‚¢ã‚¯ã‚»ã‚¹ã§ãã‚‹ã¨ã„ã†ã‚³ãƒ¬ã‚¯ã‚·ãƒ§ãƒ³ã®ã“ã¨ã§ã™ã€‚ ä»Šå›žã¯ã“ã®ã‚ªãƒ–ã‚¸ã‚§ã‚¯ãƒˆè¦ç´ ã‚’ä½•ã‚‰ã‹ã®æ¡ä»¶ã«å¾“ã£ã¦ä¸¦ã³æ›¿ãˆãŸã„ã€ã‚½ãƒ¼ãƒˆã—ãŸã„ã¨ã„ã†å ´åˆã®ã“ã¨ã‚’è€ƒãˆã¾ã™ã€‚ ä¾‹ãˆã°æ•´æ•°ã®ä¸¦ã³æ›¿ãˆãªã‚‰ã°ã€å¤§ããªã‚‚ã®ã‹ã‚‰å°ã•ãªã‚‚ã®ã¸ã¨ã‹ã€å°ã•ãªã‚‚ã®ã‹ã‚‰å¤§ããªã‚‚ã®ã¸ã¨ã„ã†é¢¨ã«ã‚½ãƒ¼ãƒˆã•ã‚Œã‚‹ã“ã¨ã¯åˆ†ã‹ã‚Šã‚„ã™ã„ã§ã™ãã€‚ ã§ã™ãŒã€ä¾‹ãˆã°ã€Œå¾“
advblog 2015/07/09
Java
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Java Comparatorãƒ¡ãƒ¢(Hishidama's Java Comparator Memo)
æ¦‚è¦ Comparator(ã‚³ãƒ³ãƒ‘ãƒ¬ãƒ¼ã‚¿ãƒ¼)ã¯ã€â€œæ¯”è¼ƒã‚’è¡Œã†é–¢æ•°â€ã‚’è¡¨ã™ã‚¤ãƒ³ã‚¿ãƒ¼ãƒ•ã‚§ãƒ¼ã‚¹ã€‚ import java.util.Comparator; Comparatorã‚ªãƒ–ã‚¸ã‚§ã‚¯ãƒˆã‚’Collections.sort()ãƒ»Arrays.sort()ãƒ¡ã‚½ãƒƒãƒ‰ã‚„TreeMapãƒ»TreeSetã®ã‚³ãƒ³ã‚¹ãƒˆãƒ©ã‚¯ã‚¿ãƒ¼ç‰ã«æ¸¡ã™ã“ã¨ã§ã€ã‚½ãƒ¼ãƒˆé †ï¼ˆä¸¦ã³æ›¿ãˆã®é †åºï¼‰ã‚’åˆ¶å¾¡ã™ã‚‹ã“ã¨ãŒå‡ºæ¥ã‚‹ã€‚ å®Ÿè£…æ–¹æ³•ï¼ˆJDK1.7ä»¥å‰ï¼‰ Comparatorã‚¤ãƒ³ã‚¿ãƒ¼ãƒ•ã‚§ãƒ¼ã‚¹ã«ã¯ã€ï¼ˆæŠ½è±¡ãƒ¡ã‚½ãƒƒãƒ‰ã¨ã—ã¦ï¼‰compareã¨equalsãŒå®£è¨€ã•ã‚Œã¦ã„ã‚‹ã€‚ public interface Comparator<T> { public int compare(T o1, T o2); public boolean equals(Object obj); } compareãƒ¡ã‚½ãƒƒãƒ‰ã¯å¼•æ•°ã‚’2ã¤å—ã‘å–ã‚Šã€ç‰ã—ã„å ´åˆã¯0ã€o1ãŒo2ã‚ˆã‚Šå°ã•ã„
advblog 2015/07/09
Java
ãƒªãƒ³ã‚¯
Cç³»è¨€èªžï¼ˆCï¼ŒC++ï¼ŒObjective-Cï¼ŒJavaï¼‰ã§é«˜éšŽé–¢æ•°ã‚’ä½¿ã£ã¦ã¿ã‚‹ - WonderPlanet DEVELOPER BLOG
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advblog 2013/05/10
C

C++

Java

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advblog 2012/10/09
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MySQL

Java
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PowerDBJ Eclipse Plugin
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advblog 2012/06/04
JDBC

Java

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Javaã®ç”Ÿã¿ã®è¦ªã‚¸ã‚§ãƒ¼ãƒ ã‚ºãƒ»ã‚´ã‚¹ãƒªãƒ³ã‚°ï¼ˆJames Goslingï¼‰æ°ã¯è‡ªèº«ã®ãƒ–ãƒã‚°On a New Roadã«ãƒã‚¹ãƒˆã—ãŸè¨˜äº‹ã€ŒNext step on the road...ã€ã§ã€ã‚°ãƒ¼ã‚°ãƒ«ã«å°±è·ã—ãŸã“ã¨ã‚’å ±å‘Šã—ã¦ã„ã¾ã™ã€‚ I find myself starting employment at Google today. ä»Šæ—¥ã‹ã‚‰ã‚°ãƒ¼ã‚°ãƒ«ã®ç¤¾å“¡ã¨ã—ã¦åƒãå§‹ã‚ã‚‹ã®ã ã‚´ã‚¹ãƒªãƒ³ã‚°æ°ã¯ã‚ªãƒ©ã‚¯ãƒ«ãŒã‚µãƒ³ãƒ»ãƒžã‚¤ã‚¯ãƒã‚·ã‚¹ãƒ†ãƒ ã‚ºã‚’è²·åŽã—ãŸå¾Œã®2010å¹´4æœˆ2æ—¥ã«ã‚ªãƒ©ã‚¯ãƒ«ã‚’é€€ç¤¾ã—ã¦ã„ã¾ã—ãŸã€‚ãã‚Œä»¥æ¥ã€å¤šãã®ä¼æ¥ã‹ã‚‰ã‚ªãƒ•ã‚¡ãƒ¼ãŒã‚ã£ãŸã‚ˆã†ã§ã™ã€‚ One of the toughest things about life is making choices. I had a hard time saying "no" to a bunch of other excellent possibilities. äºº
advblog 2011/03/29
Java

Oracle
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advblog 2011/03/27
Java
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advblog 2011/03/05
Java
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Java ã¨ ActionScript 3.0 ã®é•ã„ï¼š æ–‡æ³•ç·¨
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advblog 2011/03/01
Java

actionscript
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Java: The Good Partsã®æœ¬ã®ã‚¿ã‚¤ãƒˆãƒ«ã«è§¦ç™ºã•ã‚Œã¦ã€é€†ã«Javaè¨€èªžã®ä½¿ã„ã«ãã„éƒ¨åˆ†ã‚’ã„ãã¤ã‹ãƒ”ãƒƒã‚¯ã‚¢ãƒƒãƒ—ã—ã¦ã¿ã¾ã—ãŸã€‚Java EEãªã©ã®æ¥å‹™ç³»ã®ã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ãƒ—ãƒã‚°ãƒ©ãƒžãƒ¼ã®è¦–ç‚¹ã§æ›¸ã„ã¦ã„ã¾ã™ã®ã§ã€åˆ¥ã®ç«‹å ´ã§ã¯ã“ã“ã§æŒ‡æ‘˜ã—ã¦ã„ã‚‹äº‹é …ãŒå¿…ãšã—ã‚‚Bad Partã§ã¯ãªã„ã¨ã„ã†æŒ‡æ‘˜ã‚‚ã‚ã‚‹ã‹ã‚‚ã—ã‚Œã¾ã›ã‚“ã—ã€ä»–ã«ã‚‚ã„ã‚ã„ã‚ãªãƒã‚¤ãƒ³ãƒˆãŒã‚ã‚‹ã¨æ€ã„ã¾ã™ãŒã€ã¨ã‚Šã‚ãˆãšã€ç§ã®ç‹¬æ–ã§æ€ã„ã¤ã„ãŸã‚‚ã®ã‚’10å€‹èª¬æ˜Žã—ãŸã„ã¨æ€ã„ã¾ã™ã€‚ 1.æ¨™æº–APIã®ãƒã‚§ãƒƒã‚¯ä¾‹å¤–ãŒæ‰±ã„ã«ãã„ Javaè¨€èªžã®ãƒã‚§ãƒƒã‚¯ä¾‹å¤–ã¯æœ¬å½“ã«Good Partãªã®ã‹ï¼Ÿ - é”äººãƒ—ãƒã‚°ãƒ©ãƒžãƒ¼ã‚’ç›®æŒ‡ã—ã¦ã§ã‚‚å–ã‚Šä¸Šã’ã¾ã—ãŸãŒã€Bad Partã®ç¬¬ä¸€ç•ªç›®ã¨ã—ã¦æ¨™æº–APIã®ãƒã‚§ãƒƒã‚¯ä¾‹å¤–ãŒæ‰±ã„ã«ãã„ã¨ã„ã†ç‚¹ã‚’æŒ‡æ‘˜ã•ã›ã¦ã„ãŸã ããŸã„ã¨æ€ã„ã¾ã™ã€‚ãƒã‚§ãƒƒã‚¯ä¾‹å¤–ã«ã¤ã„ã¦ã¯ã€ç†å±ˆä¸Šã‚³ãƒ³ãƒ‘ã‚¤ãƒ©ãƒ¼ã«ã‚ˆã£ã¦ä¾‹å¤–ã®å‡¦ç†ã‚’ãƒ—ãƒã‚°ãƒ©ãƒžãƒ¼ã«å¼·åˆ¶ã•ã›ã‚‹ã“ã¨ãŒã§ãã‚‹ã™
advblog 2011/02/26
Java
ãƒªãƒ³ã‚¯
é€£è¼‰: IBM Watson Workspace #é¬¼ã‚ã‹ ã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³é–‹ç™º: ç¬¬ 7 å›ž: IBM Watson Workspace ã§ AI ã‚’åˆ©ç”¨ã—ãŸã‚¢ãƒ—ãƒªé€£æºã®å®Ÿç¾ #é¬¼ã‚ã‹ è§£èª¬ï¼ˆå‰ç·¨ï¼‰
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.
advblog 2011/02/19
Hadoop

Java
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ã‚ªãƒ©ã‚¯ãƒ«çµ±åˆå¾Œã® Java ã®ä»Šå¾Œã«ã¤ã„ã¦
[â€¦] This post was mentioned on Twitter by Yuichi Sakuraba, â˜¢Yoshifumi YAMAGUCHI, mogemogu, Takuma SHIRAISHI, Hideaki Takahashi and others. Hideaki Takahashi said: RT @yoshioterada: ã‚ªãƒ©ã‚¯ãƒ«çµ±åˆå¾Œã® Java ã®ä»Šå¾Œã«ã¤ã„ã¦ http://wp.me/pNpvd-jQ [â€¦]
advblog 2011/02/19
Java

ORACLE
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Javaä½¿ã„ã‚’Scalaã«å¼•ãè¾¼ã‚€ã‚µãƒ³ãƒ—ãƒ«é›† | mwSoft
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advblog 2011/02/13
Java

Scala
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advblog 2011/02/11
Java
ãƒªãƒ³ã‚¯
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advblog 2011/02/08
Java
ãƒªãƒ³ã‚¯
GoogleãŒé–‹ç™ºã—ãŸJavaãƒ‡ãƒãƒƒã‚°ã‚’ç°¡å˜ã«ã™ã‚‹æ–°æŠ€è¡“ã€Œcofojaã€ | ã‚¨ãƒ³ã‚¿ãƒ¼ãƒ—ãƒ©ã‚¤ã‚º | ãƒžã‚¤ã‚³ãƒŸã‚¸ãƒ£ãƒ¼ãƒŠãƒ«
Java Programming Language Googleã®20%ãƒ—ãƒã‚¸ã‚§ã‚¯ãƒˆã‹ã‚‰Javaå‘ã‘ã®æ–°ã—ã„æŠ€è¡“ã€Œcofoja (Contracts for Java)ã€ãŒå…¬é–‹ã•ã‚ŒãŸã€‚æ—¢å˜ã®å®Ÿè£…ã«å¤§ããæ‰‹ã‚’åŠ ãˆã‚‹ã“ã¨ãªãã€ãƒ‡ãƒãƒƒã‚°ã‚’ã‚ˆã‚Šç°¡å˜ã«ã—ã¦ãã‚Œã‚‹åŠ¹æžœãŒæœŸå¾…ã§ãã‚‹ã€‚ãƒã‚°ã¯äº›ç´°ãªã‚³ãƒ¼ãƒ‰ãŒèµ·ã“ã™ã‚‚ã®ã ã£ãŸã‚Šã™ã‚‹ãŒã€ãã‚Œã‚’è¿½è·¡ã—ã¦ç™ºè¦‹ã™ã‚‹ã®ã¯æ™‚ã«å›°é›£ã‚’æ¥µã‚ã‚‹ã€‚ã“ã‚Œã¯å•é¡ŒãŒç™ºç”Ÿã—ãŸç®‡æ‰€ã¨ã€å®Ÿéš›ã«ãƒã‚°ãŒã‚ã‚‹ç®‡æ‰€ãŒå¤§ããé›¢ã‚Œã¦ã„ã‚‹ã“ã¨ãŒç†ç”±ã«ãªã£ã¦ã„ã‚‹ã“ã¨ã‚‚ã‚ã‚‹ã€‚å•é¡Œç™ºç”Ÿç®‡æ‰€ã¨ãƒã‚°ç™ºç”Ÿç®‡æ‰€ã‚’è¿‘ãã«ã¾ã¨ã‚ã‚‹ã“ã¨ãŒã§ãã‚Œã°ã€ãã‚Œã ã‘ãƒã‚°ç™ºè¦‹ã‚‚å–ã‚Šçµ„ã¿ã‚„ã™ããªã‚‹ã€‚ cofojaã¯ã“ã‚Œã‚’ç°¡å˜ã«å®Ÿç¾ã™ã‚‹ãŸã‚ã®æŠ€è¡“ã€‚ã‚¤ãƒ³ã‚¿ãƒ•ã‚§ãƒ¼ã‚¹ã«åˆ¶ç´„è¡¨ç¾ã‚’è¿½åŠ å¯èƒ½ã«ã™ã‚‹ã¨ã“ã‚ãŒãƒã‚¤ãƒ³ãƒˆã¨ãªã£ã¦ãŠã‚Šã€ã‚¯ãƒ©ã‚¹ã®å®Ÿè£…ã«æ‰‹ã‚’åŠ ãˆãªãã¦ã‚‚ã‚¤ãƒ³ã‚¿ãƒ•ã‚§ãƒ¼ã‚¹ã«åˆ¶ç´„è¡¨è¨˜ã‚’è¿½åŠ ã™ã‚‹ã“ã¨ã§å®Ÿè¡Œæ™‚ã«ãƒã‚§ãƒƒã‚¯ã§ãã‚‹ã‚ˆã†ã«ãªã‚‹ã€‚ãƒ–ãƒã‚°ã«æŽ²è¼‰ã•ã‚Œã¦ã„ã‚‹
advblog 2011/02/08
google

Java
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advblog 2011/02/08
Java

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advblog 2011/01/06
apache

Java

NASA
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advblog 2010/11/26
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