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é›£è§£ãªSerializableã¨ã„ã†ä»•æ§˜ã«ã¤ã„ã¦ä¿ºãŒçŸ¥ã£ã¦ã„ã‚‹ã“ã¨ã€ã¨ã„ã†ã‹ä¿ºã®ç†è§£ - éƒ½å…ƒãƒ€ã‚¤ã‚¹ã‚± IT-PRESS
java.io.Serializable â€¦ã€ã‚ã‚‹ç¨‹åº¦Javaã«è§¦ã‚Œã¦æ¥ãŸäººã¯å¿…ãšè¦‹ãŸã“ã¨ãŒã‚ã‚‹ã‚¤ãƒ³ã‚¿ãƒ¼ãƒ•ã‚§ã‚¤ã‚¹ã ã¨æ€ã†ã€‚ç§ã‚‚ä½•åº¦ã‚‚è¦‹ã¦ããŸã—ã€å¿…è¦ã«è¿«ã‚‰ã‚Œã¦è‡ªåˆ†ã®ä½œã£ãŸã‚¯ãƒ©ã‚¹ã«Serializableã‚’ã¤ã‘ãŸã“ã¨ã‚‚ã‚ã‚‹ã€‚ã—ã‹ã—ã€ã“ã„ã¤ã¯ä¸€ä½“ä½•ãªã®ã‹ï¼Ÿ ç¶™æ‰¿ã®ä¾¿åˆ©ã• åƒ•ã‚‰ãŒã¾ã Javaåˆå¿ƒè€…ã ã£ãŸé ƒã€‚ç¶™æ‰¿ã¨ã„ã†ãƒ¡ã‚«ãƒ‹ã‚ºãƒ ã«åŠ©ã‘ã‚‰ã‚ŒãªãŒã‚‰è‚²ã£ã¦æ¥ãŸã€‚ç°¡å˜ã«è¨€ãˆã°ã€HttpServletã‚¯ãƒ©ã‚¹ã‚’ç¶™æ‰¿ã—ã•ãˆã™ã‚Œã°ã€è‡ªåˆ†ã®ä½œã£ãŸã‚¯ãƒ©ã‚¹ãŒã‚µãƒ¼ãƒ–ãƒ¬ãƒƒãƒˆã¨ã—ã¦èªè˜ã•ã‚Œã‚‹ã®ã ã€‚ã¾ãŸã€abstractãƒ¡ã‚½ãƒƒãƒ‰ãªã©ã¨ã„ã†ä¾¿åˆ©ãªæ©Ÿèƒ½ã‚‚ã‚ã‚Šã€ç¶™æ‰¿ã«ã‚ãŸã£ã¦å®Ÿè£…ã—ãªã‘ã‚Œã°ã„ã‘ãªã„ãƒ¡ã‚½ãƒƒãƒ‰ã¯ç¢ºå®Ÿã«æŒ‡ç¤ºã•ã‚Œã€è¨€ã‚ã‚ŒãŸé€šã‚Šã«ãã®ãƒ¡ã‚½ãƒƒãƒ‰ã‚’å®Ÿè£…ã™ã‚Œã°è‰¯ã„ã€‚ Strutsã®Actionã‚‚ç„¶ã‚Šã€‚ãã†ã€å¤šãã®å ´åˆã¯ã€Œç¶™æ‰¿ã•ãˆã™ã‚Œã°ã€æœ›ã‚€ç‰©ãŒã ã„ãŸã„å‡ºæ¥ä¸ŠãŒã‚‹ã€ã¨ã„ã†ã®ãŒJavaã®ä¸–ç•Œã ã¨æ€ã£ã¦ã„ãŸã€‚ ã ãŒã€ä¸–ã®ä¸ãã‚“ãªã«ç”˜ããªã„
sutara_lumpur 2014/03/13
Java
ãƒªãƒ³ã‚¯
Javaã€ã€Œã‚·ãƒªã‚¢ãƒ©ã‚¤ã‚ºå¯èƒ½ã‚¯ãƒ©ã‚¹ ï½žã¯long åž‹ã® static final serialversionuid ãƒ•ã‚£ãƒ¼ãƒ«ãƒ‰ã‚’å®£è¨€ã—ã¦ã„ã¾ã›ã‚“ã€ã®è¦å‘Šã‚’ãªã‚“ã¨ã‹ã™ã‚‹ã€‚ï½œãƒžã‚³ãƒˆã®ãŠã‚‚ã¡ã‚ƒç®±ã€€ï½žã¼ã¸ã¼ã¸è‡ªå–¶æ¥è€…ã®æŠ€è¡“ãƒ¡ãƒ¢ï½ž
Eclipseã•ã‚“ã§JavaServletã‚’ä½œã£ã¦ã„ãŸã‚‰ ã‚·ãƒªã‚¢ãƒ©ã‚¤ã‚ºå¯èƒ½ã‚¯ãƒ©ã‚¹ ï½žã¯long åž‹ã® static final serialversionuid ãƒ•ã‚£ãƒ¼ãƒ«ãƒ‰ã‚’å®£è¨€ã—ã¦ã„ã¾ã›ã‚“ ã¨ã‹ã„ã†è¦å‘ŠãŒã§ã‚„ãŒã‚Šã¾ã—ãŸã§ã™ã“ã¨ã‚ˆã€‚ å†…å®¹ã¯ ã€Œprivate static final long serialVersionUIDã€ã‚’å®£è¨€ã—ã‚ã‚„ ã£ã¦ã“ã¨ã‚‰ã—ã„ã€‚ Serializableã‚’å®Ÿè£…ã—ãŸã‚‰serialVersionUIDã‚’å®šç¾©ã—ãŸæ–¹ãŒã„ã„ã‚“ã ããƒ¼ãªã€‚ ã¾ãè¨€ã‚ã‚ŒãŸé€šã‚Š private static final long serialVersionUID = 123456789L; ã¨ã‹ã™ã‚Œã°æ¶ˆãˆã‚‹ã‘ã©ãƒ»ãƒ»ã‚ã‚“ã©ãã›ã£ï¼ˆï¼›Â´ï¼¡`ï¼‰ ã£ã¡ã‚…ãƒ¼è¨³ã§è¦å‘Šã‚’ç„¡è¦–ã™ã‚‹ã“ã¨ã«ã—ã¾ã—ãŸã€‚ æ°—æŒã¡è‰¯ãç„¡è¦–ã™ã‚‹ãŸã‚ã«Eclipseã•ã‚“è‡ªä½“ã‚’é»™ã‚‰ã›ã‚‹Ï†ï¼ˆï¼ï¼ï¼‰ ï¼‘ï¼Žãƒ—ãƒã‚¸ã‚§ã‚¯ãƒˆå˜ä½ï¼šãƒ—ãƒã‚¸ã‚§ã‚¯ãƒˆåã‚’å³ã‚¯ãƒª
sutara_lumpur 2014/03/13
Java

Eclipse
ãƒªãƒ³ã‚¯
JTableã®åˆ—ãƒ˜ãƒƒãƒ€
> ãƒ†ãƒ¼ãƒ–ãƒ«ã‚’ã‚¹ã‚¯ãƒãƒ¼ãƒ«ãƒ‘ãƒãƒ«â‡’ãƒ‘ãƒãƒ«â‡’ãƒ•ãƒ¬ãƒ¼ãƒ ã¨ä¹—ã›ã‚‹ã¨è¡¨ç¤ºã• > ã‚Œã‚‹ã®ã§ã™ãŒã€ãƒ†ãƒ¼ãƒ–ãƒ«â‡’ãƒ‘ãƒãƒ«â‡’ãƒ•ãƒ¬ãƒ¼ãƒ ã¨ã™ã‚‹ã¨è¡¨ç¤ºã•ã‚Œãªã„ > ã‚ˆã†ãªã®ã§ã™ã€‚ ã‚ãï¼ã€‚ãã®ã“ã¨ãªã‚‰ã€JTableã®ãƒ‰ã‚ãƒ¥ãƒ¡ãƒ³ãƒ†ãƒ¼ã‚·ãƒ§ãƒ³ã®æœ€åˆã®ã»ã†ã«ã€ç›¸å½“æ˜”ã‹ã‚‰æ›¸ã„ã¦ã‚ã‚Šã¾ã™ã‚ˆã€‚è¨è¨ˆè€…ã¯ã€ãƒ†ãƒ¼ãƒ–ãƒ«æœ¬ä½“ã‚’åˆ‡ã‚Šé›¢ã›ãŸã»ã†ãŒä¾¿åˆ©ã€ã¨è€ƒãˆãŸã®ã§ã—ã‚‡ã†ã€‚ä»¥ä¸‹ã¯ãƒ‰ã‚ãƒ¥ãƒ¡ãƒ³ãƒ†ãƒ¼ã‚·ãƒ§ãƒ³ã‹ã‚‰ã®å¼•ç”¨ã§ã™ï¼ˆæ—¥æœ¬èªžã®ã¯ä¾‹ã«ã‚ˆã£ã¦æ–‡ç« ãŒãƒ˜ãƒ³ãªã®ã§ã€è‹±èªžã‚’å¼•ç”¨ã—ã¾ã™ï¼‰ï¼š <quote> Note that if you wish to use a JTable in a standalone view (outside of a JScrollPane) and want the header displayed, you can get it using getTableHeader() and display it separately.
sutara_lumpur 2014/03/11
#Java ã®Swingã«ã¤ã„ã¦ã€‚ã‚‚ã®ã™ã”ããƒžã‚¤ãƒŠãƒ¼ãªè©±é¡Œã§ã™ãŒã€æœ¬å½“ã«åŠ©ã‹ã‚Šã¾ã—ãŸ m(_ _)m

Java
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Rails ã§ã€Controller ã«å®šç¾©ã•ã‚Œã¦ã„ã‚‹ action ã‚’ä¸€åº¦ã«å–å¾—ã™ã‚‹æ–¹æ³•ã¯ã‚ã‚Šã¾ã™ã‹ï¼Ÿ - QA@IT
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sutara_lumpur 2014/03/11
java

Eclipse
ãƒªãƒ³ã‚¯
JDBCãƒ¡ãƒ¢(Hishidama's JDBC Memo)
JDBCã¯ã€Javaã§ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ï¼ˆRDBï¼‰ã«ã‚¢ã‚¯ã‚»ã‚¹ã™ã‚‹ç‚ºã®APIã€‚ ãƒ†ãƒ¼ãƒ–ãƒ«ã‚„ãƒ“ãƒ¥ãƒ¼ã€ã‚¹ãƒˆã‚¢ãƒ‰ãƒ—ãƒã‚·ãƒ¼ã‚¸ãƒ£ç‰ã«ã‚¢ã‚¯ã‚»ã‚¹ã§ãã‚‹ã€‚ JDBCã¨ã¯å•†æ¨™ï¼ˆã¤ã¾ã‚Šå›ºæœ‰åè©žæ‰±ã„ï¼‰ãªã®ã§ã‚ã£ã¦ã€ä½•ã‹ã®ç•¥ã¨ã„ã†ã‚ã‘ã§ã¯ãªã„ã¨ã®ã“ã¨ã€‚ ã€ŒJava Database Connectivityã€ã®ç•¥ã ã¨ã„ã†ã®ãŒä¸€ç•ªåºƒã¾ã£ã¦ã„ã‚‹ã‚‰ã—ã„ã‘ã©ã€ã¾ãã©ã†è€ƒãˆã¦ã‚‚ODBCï¼ˆOpen DataBase Connectivityï¼‰ã®Javaç‰ˆã€ã¨ã„ã†æ„Ÿã˜ã ã—ã€‚
sutara_lumpur 2014/03/07
jdbc

java
ãƒªãƒ³ã‚¯
Trail: Learning the Java Language: Table of Contents (The Javaâ„¢ Tutorials)
sutara_lumpur 2014/03/07
Javaã®ãƒãƒ¥ãƒ¼ãƒˆãƒªã‚¢ãƒ«ã€‚Oracleã®å…¬å¼ãƒ‰ã‚ãƒ¥ãƒ¡ãƒ³ãƒˆã€‚

java
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MySQL :: Download Connector/J
MySQL Connector/J is the official JDBC driver for MySQL. MySQL Connector/J 8.0 and higher is compatible with all MySQL versions starting with MySQL 5.7. Additionally, MySQL Connector/J 8.0 and higher supports the new X DevAPI for development with MySQL Server 8.0 and beyond. Online Documentation: MySQL Connector/J Installation Instructions Documentation MySQL Connector/J X DevAPI Reference Change
sutara_lumpur 2014/03/07
mysql

Java
ãƒªãƒ³ã‚¯
ã€ŽClass.forName()ã¨newã®é•ã„ï¼ˆJDBCã§Class.forNameã‚’ä½¿ã†ç†ç”±ï¼‰ã€
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sutara_lumpur 2014/03/06
java

jdbc
ãƒªãƒ³ã‚¯
BigDecimal (Java Platform SE 6)
java.math ã‚¯ãƒ©ã‚¹ BigDecimal java.lang.Object java.lang.Number java.math.BigDecimal ã™ã¹ã¦ã®å®Ÿè£…ã•ã‚ŒãŸã‚¤ãƒ³ã‚¿ãƒ•ã‚§ãƒ¼ã‚¹: Serializable, Comparable<BigDecimal> public class BigDecimalextends Numberimplements Comparable<BigDecimal> å¤‰æ›´ãŒä¸å¯èƒ½ãªã€ä»»æ„ç²¾åº¦ã®ç¬¦å·ä»˜ãå°æ•°ã§ã™ã€‚BigDecimal ã¯ã€ä»»æ„ç²¾åº¦ã®ã€Œã‚¹ã‚±ãƒ¼ãƒ«ãªã—ã®æ•´æ•°å€¤ã€ã¨ã€32 ãƒ“ãƒƒãƒˆæ•´æ•°ã®ã€Œã‚¹ã‚±ãƒ¼ãƒ«ã€ã§æ§‹æˆã•ã‚Œã¾ã™ã€‚0 ã¾ãŸã¯æ£ã®å ´åˆã€ã‚¹ã‚±ãƒ¼ãƒ«ã¯å°æ•°ç‚¹ä»¥ä¸‹ã®æ¡æ•°ã§ã™ã€‚è² ã®å ´åˆã€ã‚¹ã‚±ãƒ¼ãƒ«ãªã—ã®æ•°å€¤ã«ã€ã‚¹ã‚±ãƒ¼ãƒ«ã®æ£è² ã‚’é€†ã«ã—ãŸå€¤ã‚’æŒ‡æ•°ã¨ã™ã‚‹ 10 ã®ç´¯ä¹—ã‚’ä¹—ç®—ã—ã¾ã™ã€‚ã¤ã¾ã‚Šã€BigDecimal ã§è¡¨ã•ã‚Œã‚‹æ•°å€¤ã¯ (unscaledValue Ã— 1
sutara_lumpur 2014/03/05
Java
ãƒªãƒ³ã‚¯
Java Database Connectivity - Wikipedia
Java Database Connectivity[1] (JDBC)ã¯ã€Java ã¨é–¢ä¿‚ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ã®æŽ¥ç¶šã®ãŸã‚ã®APIã€‚ODBCã‚’ãƒ™ãƒ¼ã‚¹ã«ã‚µãƒ³ãƒ»ãƒžã‚¤ã‚¯ãƒã‚·ã‚¹ãƒ†ãƒ ã‚ºãŠã‚ˆã³ DataDirect ãŒå…±åŒã§é–‹ç™ºã—ã¦ã„ã‚‹ã¨è¨€ã‚ã‚Œã¦ã„ã‚‹ã€‚ãã®ãŸã‚ãƒ‰ãƒ©ã‚¤ãƒã®ãƒ‡ãƒ•ã‚©ãƒ«ãƒˆã®è‡ªå‹•ã‚³ãƒŸãƒƒãƒˆã®æœ‰åŠ¹åŒ–ãªã©ä¼¼ã¦ã„ã‚‹ç‚¹ã‚‚å¤šã€…ã‚ã‚‹ã€‚ Java ã«ãŠã„ã¦SQLã‚’ä½¿ç”¨ã—ã¦ã€é–¢ä¿‚ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ç®¡ç†ã‚·ã‚¹ãƒ†ãƒ (RDBMS) ãªã©ã¨æŽ¥ç¶šã™ã‚‹æ©Ÿèƒ½ã‚’æ¨™æº–åŒ–ï¼ˆæŠ½è±¡åŒ–ï¼‰ã—ã¦ã„ã‚‹ã€‚ å…ƒã¯JDK 1.0ã®æ‹¡å¼µAPIã¨ã„ã†ä½ç½®ä»˜ã‘ã§ã‚ã£ãŸãŒã€JDK 1.1ã§æ£å¼ã«Javaã®åŸºæœ¬SDKã«åŒæ¢±ã•ã‚Œã‚‹ã‚ˆã†ã«ãªã£ãŸã€‚æ¨™æº–çš„ãªæ©Ÿèƒ½ (API) ã¯ Java SE ã«å«ã¾ã‚Œã¦ã„ã‚‹ã€‚JDBCã®è¦æ ¼ã¯ Java SDK ã¨ã¯ç‹¬ç«‹ã—ã¦è¡Œã‚ã‚Œã¦ãŠã‚Šã€APIã®ã‚¢ãƒƒãƒ—ãƒ‡ãƒ¼ãƒˆã¯éšæ™‚è¡Œã‚ã‚Œã¦ã„ã‚‹ã€‚ JDBCã‚’åˆ©ç”¨ã™ã‚‹ç‚ºã«ã¯ã€100% Pure Java è£½ã® Apa
sutara_lumpur 2014/03/05
jdbc

Java
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Class.forName ã§ DB ã‚¢ã‚¯ã‚»ã‚¹ã§ãã‚‹ã‚ˆã†ã«ãªã‚‹ç†ç”± - ã™ã±ã„ã ãƒ¼æ—¥è¨˜ã€‚
Java ã®ç ”ä¿®ã§ DB(ã ã„ãŸã„MDBã‹ãª) ã«ã‚¢ã‚¯ã‚»ã‚¹ã™ã‚‹ãƒ—ãƒã‚°ãƒ©ãƒ ã‚’ä½œã‚‹ã“ã¨ã«ãªã£ãŸã¨ãã€è¬›å¸«ã¯ã»ã¼ 100% ã€ŒJDBC Driver ã‚’ä½¿ç”¨ã™ã‚‹ãŸã‚ã«ã¯ Class.forName ã‚’ä½¿ç”¨ã—ã¾ã™ã€ã¨è¨€ã†ã¯ãšã€‚ãŸã ã€å‘ªæ–‡ã®ã”ã¨ãã€‚ ã§ã€Class.forName ã® API ã‚’è¦‹ã¦ã¿ã‚‹ã€‚ forName(String name, boolean initialize, ClassLoader loader) æŒ‡å®šã•ã‚ŒãŸã‚¯ãƒ©ã‚¹ãƒãƒ¼ãƒ€ã‚’ä½¿ã£ã¦ã€æŒ‡å®šã•ã‚ŒãŸæ–‡å—åˆ—åã‚’æŒã¤ã‚¯ãƒ©ã‚¹ã¾ãŸã¯ã‚¤ãƒ³ã‚¿ãƒ•ã‚§ãƒ¼ã‚¹ã«é–¢é€£ä»˜ã‘ã‚‰ã‚ŒãŸ Class ã‚ªãƒ–ã‚¸ã‚§ã‚¯ãƒˆã‚’è¿”ã—ã¾ã™ ãã—ã¦ç–‘å•ãŒç”Ÿã¾ã‚Œã‚‹ã€‚ã€Œã‚¯ãƒ©ã‚¹ã‚’ãƒãƒ¼ãƒ‰ã™ã‚‹ã ã‘ã§ãªã‚“ã§DBã«ã‚¢ã‚¯ã‚»ã‚¹ã§ãã‚‹ã‚ˆã†ã«ãªã‚‹ã®ï¼Ÿã€ã¨ã€‚ è¬›å¸«ã¯ãªãœã§ãã‚‹ã‹ã¯èª¬æ˜Žã—ãªã„ã€‚åˆ†ã‹ã£ã¦ãªã„ã£ã¦ã“ã¨ã¯ç„¡ã„ã¨æ€ã†ã‘ã©ã€Œã¾ã åˆå¿ƒè€…ã ã‹ã‚‰è¦šãˆã¨ã‘ã°ã„ã„ã€çš„ãªæ„Ÿã˜ã ã‚ã†ã€‚ ã‘ã©ã€ã“ã“ã¯è¨€ã‚ã›ã¦ã‚‚ã‚‰ã†ï¼
sutara_lumpur 2014/03/05
java

jdbc
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Javaã€€ã‚¹ãƒˆãƒªãƒ¼ãƒ ã‚’ã‚ã‹ã‚Šã‚„ã™ãæ•™ãˆã¦ãã ã•ã„
ãƒãƒƒãƒ•ã‚¡ãƒ¼ã¨ã„ã†è€ƒãˆã¨ã‚»ãƒƒãƒˆã«ãªã£ã¦ã„ã‚‹ã“ã¨ãŒå¤šã„ã§ã™ã€‚ ã¨ã„ã†ã‹ã»ã¨ã‚“ã©å·®ãŒãªã„ã§ã—ã‚‡ã†ã€‚ ãƒ—ãƒã‚°ãƒ©ãƒ ã®å‡¦ç†ã¨ãƒ‡ãƒ¼ã‚¿ã®æµã‚Œã§è€ƒãˆã‚‹ã¨ ã²ã¨ã¤ç¾å®Ÿçš„ãªå¤§ããªå•é¡ŒãŒå˜åœ¨ã—ã¾ã™ã€‚ ãƒ—ãƒã‚°ãƒ©ãƒ ã®å‡¦ç†ã‚¹ãƒ”ãƒ¼ãƒ‰ã«å¯¾ã—ã¦ ã‚ãƒ¼ãƒœãƒ¼ãƒ‰ã€ãƒ•ã‚¡ã‚¤ãƒ«ï¼ˆãƒ‡ã‚£ã‚¹ã‚¯è£…ç½®ï¼‰ã€ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ã€ ãƒ—ãƒªãƒ³ã‚¿ãƒ¼ã€ç”»é¢ãªã©ã®å…¥å‡ºåŠ›ãƒ‡ãƒã‚¤ã‚¹ã¯ é…ã„ã€ã¨ã„ã†ã“ã¨ã§ã™ã€‚ ã¾ãŸã€ãƒ—ãƒã‚°ãƒ©ãƒ ã§ã¯ï¼‘æ–‡å—ãšã¤ã»ã—ã„ã®ã« ã‚ã‚‹å…¥åŠ›æ©Ÿå™¨ã¯æ•°åƒæ–‡å—å˜ä½ãšã¤ã§ã—ã‹ãƒ‡ãƒ¼ã‚¿ã‚’å–å¾—ã§ããªã„ã€ ã¨ã„ã£ãŸã“ã¨ã‚‚ã‚ã‚Šã¾ã™ã€‚ ã§ã™ã‹ã‚‰ã€ãƒ¡ãƒ¢ãƒªä¸Šã«ä¸€æ™‚çš„ã«ãƒ‡ãƒ¼ã‚¿ã‚’è“„ãˆã¦ãŠã„ã¦ ãã‚Œã‚’é †ã«ã™ã“ã—ãšã¤èªã¿è¾¼ã‚€/å‡ºåŠ›ã™ã‚‹ã€ ã‚‚ã—ãã¯ä¸€æ°—ã«èªã¿è¾¼ã‚€/å‡ºåŠ›ã™ã‚‹ ã¨ã„ã†ã“ã¨ã‚’ã—ã¾ã™ã€‚ ãã®ãƒãƒƒãƒ•ã‚¡ãƒ¼ã€ã¤ã¾ã‚Šãƒ‡ãƒ¼ã‚¿ã®å…¥åŠ›/å‡ºåŠ›ã®æµã‚Œã‚’ ãƒ—ãƒã‚°ãƒ©ãƒ ã§ã¤ãªã’ã‚‹ã¨ã©ã†ã§ã—ã‚‡ã†ã€‚ ãƒ•ã‚¡ã‚¤ãƒ«ã‚’èªã¿è¾¼ã‚“ã ãƒ‡ãƒ¼ã‚¿ã‚’Aãƒ—ãƒã‚°ãƒ©ãƒ ã§é›†è¨ˆã—ã¦ Bãƒ—ãƒã‚°ãƒ©ãƒ ã§è¡¨å½¢å¼ã«ãƒ•ã‚©ãƒ¼ãƒžãƒƒãƒˆã—ã¦ Cãƒ—ãƒã‚°ãƒ©ãƒ ã§ãƒ¡
sutara_lumpur 2014/02/28
#Java ã«é™ã‚‰ãšã€ã‚¹ãƒˆãƒªãƒ¼ãƒ ã¨ã¯ã©ã†ã„ã†ã‚‚ã®ã‹ãŒå…·ä½“ä¾‹ã¨ã¨ã‚‚ã«è©³ã—ãè§£èª¬ã•ã‚Œã¦ã„ã¦ã‚ˆãåˆ†ã‹ã‚Šã¾ã—ãŸ m(_ _)m

java
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Java Platform SE 6
<H2> ãƒ•ãƒ¬ãƒ¼ãƒ é–¢é€£ã®è¦å‘Š</H2> <P> ã“ã®ãƒ‰ã‚ãƒ¥ãƒ¡ãƒ³ãƒˆã¯ãƒ•ãƒ¬ãƒ¼ãƒ æ©Ÿèƒ½ã‚’ä½¿ã£ã¦è¡¨ç¤ºã™ã‚‹ã‚ˆã†ã«ä½œã‚‰ã‚Œã¦ã„ã¾ã™ã€‚ãƒ•ãƒ¬ãƒ¼ãƒ ã‚’è¡¨ç¤ºã§ããªã„ Web ã‚¯ãƒ©ã‚¤ã‚¢ãƒ³ãƒˆã®å ´åˆã«ã“ã®ãƒ¡ãƒƒã‚»ãƒ¼ã‚¸ãŒè¡¨ç¤ºã•ã‚Œã¾ã™ã€‚ <BR> ãƒªãƒ³ã‚¯å…ˆ<A HREF="overview-summary.html">ãƒ•ãƒ¬ãƒ¼ãƒ ãªã—ã®ãƒãƒ¼ã‚¸ãƒ§ãƒ³</A>
sutara_lumpur 2014/02/28
java
ãƒªãƒ³ã‚¯
JAVA ä¹±æ•°ã®ä½œæˆ(nextIntãƒ»random)
ï¼ï½žï¼™ã®ä¹±æ•°ã‚’ä½œæˆã™ã‚‹ä¾‹ã§ã™ã€‚ int ran = rnd.nextInt(n) ã¯0ï½žn-1ã®å€¤ã‚’ranã«ä»£å…¥ã—ã¾ã™ã€‚ ã‚½ãƒ¼ã‚¹ import java.util.Random; public class Ran{ public static void main(String[] args){ //Randomã‚¯ãƒ©ã‚¹ã®ã‚¤ãƒ³ã‚¹ã‚¿ãƒ³ã‚¹åŒ– Random rnd = new Random(); int ran = rnd.nextInt(10); System.out.println(ran); } } å®Ÿè¡Œçµæžœ 8 ãªãŠã€10ï½ž19ãªã©ã®0ã‹ã‚‰ã¯ã˜ã‚ãŸããªã„å ´åˆã¯ã€ç”Ÿæˆã—ãŸä¹±æ•°ã«é–‹å§‹ã—ãŸã„æ•´æ•°ã‚’ãƒ—ãƒ©ã‚¹ã™ã‚‹ã“ã¨ã§å®Ÿç¾ã§ãã¾ã™ã€‚ ä½¿ç”¨ä¾‹(å€¤ã«+10ã‚’ã—ã¦10ï½ž19ã«) import java.util.Random; public class Ran{ public static void main
sutara_lumpur 2014/02/27
java
ãƒªãƒ³ã‚¯
Javaã‚’æ›¸ãæ–°å…¥ç¤¾å“¡ã®ã¿ãªã•ã‚“ã€FindBugsã¯çµ¶å¯¾å…¥ã‚Œã‚ˆã†ï¼ - ã»ããç¬‘ã‚€
æ˜¥ã§ã™ãã€‚ã©ã†ã‚„ã‚‰æ–°å…¥ç¤¾å“¡å‘ã‘ã®è¨˜äº‹ã‚’æ›¸ãã®ãŒæµè¡Œã£ã¦ã„ã‚‹ã‚ˆã†ã§ã€‚ç§ã‚‚å°»é¦¬ã«ä¹—ã£ã‹ã‚ã†ã¨æ€ã„ã¾ã™ã€‚ ç§ãŒæ–°å…¥ç¤¾å“¡ã«ä¸€ã¤ã ã‘ã‚¢ãƒ‰ãƒã‚¤ã‚¹ã™ã‚‹ã¨ã—ãŸã‚‰ä½•ã‹ãªãƒ¼ã¨è€ƒãˆã¦ã€FindBugs ã«ã¤ã„ã¦ç´¹ä»‹ã™ã‚‹ã“ã¨ã«ã—ã¾ã—ãŸã€‚ FindBugs FindBugs ã¯ Java ãƒ—ãƒã‚°ãƒ©ãƒ ã®é™çš„è§£æžãƒ„ãƒ¼ãƒ«ã§ã™ã€‚*1 FindBugs ã¯ãƒ—ãƒã‚°ãƒ©ãƒ ä¸ã®ãƒã‚°ã£ã½ã„éƒ¨åˆ†ã‚’æŒ‡æ‘˜ã—ã¦ãã‚Œã‚‹ãƒŠã‚¤ã‚¹ãªã‚„ã¤ã§ã™ã€‚ ä¾‹ãˆã°ã€æ¬¡ã®ã‚³ãƒ¼ãƒ‰ã«ãƒã‚°ãŒã‚ã‚‹ã®ãŒã‚ã‹ã‚Šã¾ã™ã‹ï¼Ÿ /** * å…¥åŠ›ã•ã‚ŒãŸæ–‡å—åˆ—ã‚’æ¨™æº–å‡ºåŠ›ã«å‡ºåŠ›ã™ã‚‹. * @param input å…¥åŠ›æ–‡å—åˆ— * @throws IllegalArgumentException å…¥åŠ›ãŒ null ã®å ´åˆ */ public void printInput(String input) { if (input == null) { new IllegalArgumentExcep
sutara_lumpur 2014/02/24
Eclipse

java
ãƒªãƒ³ã‚¯
Code Conventions for the Java Programming Language: Contents
Code Conventions for the Java TM Programming Language Revised April 20, 1999 The information on this page is for Archive Purposes Only This page is not being actively maintained. Links within the documentation may not work and the information itself may no longer be valid. The last revision to this document was made on April 20, 1999 Introduction 1.1 Why Have Code Conventions 1.2 Acknowledgments F
sutara_lumpur 2014/02/11
#Java ã‚³ãƒ¼ãƒ‡ã‚£ãƒ³ã‚°è¦ç´„

java

è¦ç´„
ãƒªãƒ³ã‚¯
Eclipseã§ã‚³ãƒ³ãƒ‘ã‚¤ãƒ«ã—ãŸJavaã‚¯ãƒ©ã‚¹ã‚’ã‚³ãƒžãƒ³ãƒ‰ãƒ—ãƒãƒ³ãƒ—ãƒˆã‹ã‚‰javaã‚³ãƒžãƒ³ãƒ‰ã§å®Ÿè¡Œã™ã‚‹ã«ã¯ãƒ»ãƒ»ãƒ»ã€‚
Eclipseã§ã‚³ãƒ³ãƒ‘ã‚¤ãƒ«ã—ãŸJavaã‚¯ãƒ©ã‚¹ã‚’ã‚³ãƒžãƒ³ãƒ‰ãƒ—ãƒãƒ³ãƒ—ãƒˆã‹ã‚‰javaã‚³ãƒžãƒ³ãƒ‰ã§å®Ÿè¡Œã™ã‚‹ã«ã¯ãƒ»ãƒ»ãƒ»ã€‚
sutara_lumpur 2014/02/10
#Eclipse åŒã˜ãè¡Œãè©°ã¾ã£ã¦ã¾ã—ãŸã€‚ã€Žpackage hello; class HelloWorldã€ãªã‚‰ã€ã€Ž>java HelloWorldã€ã§ã¯ãªãã€ã€Žcd ..ã€+ã€Ž>java hello.HelloWorldã€ã¨æ›¸ãã€‚

java

Eclipse
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Javadoc - Wikipedia
ã“ã®è¨˜äº‹ã¯æ¤œè¨¼å¯èƒ½ãªå‚è€ƒæ–‡çŒ®ã‚„å‡ºå…¸ãŒå…¨ãç¤ºã•ã‚Œã¦ã„ãªã„ã‹ã€ä¸ååˆ†ã§ã™ã€‚ å‡ºå…¸ã‚’è¿½åŠ ã—ã¦è¨˜äº‹ã®ä¿¡é ¼æ€§å‘ä¸Šã«ã”å”åŠ›ãã ã•ã„ã€‚ï¼ˆã“ã®ãƒ†ãƒ³ãƒ—ãƒ¬ãƒ¼ãƒˆã®ä½¿ã„æ–¹ï¼‰ å‡ºå…¸æ¤œç´¢?:Â "Javadoc"Â â€“Â ãƒ‹ãƒ¥ãƒ¼ã‚¹Â Â· æ›¸ç±Â Â· ã‚¹ã‚«ãƒ©ãƒ¼Â Â· CiNiiÂ Â· J-STAGEÂ Â· NDLÂ Â· dlib.jpÂ Â· ã‚¸ãƒ£ãƒ‘ãƒ³ã‚µãƒ¼ãƒÂ Â· TWL (2024å¹´9æœˆ) Javadocã¨ã¯ã€ã‚µãƒ³ãƒ»ãƒžã‚¤ã‚¯ãƒã‚·ã‚¹ãƒ†ãƒ ã‚ºãŒé–‹ç™ºã—ãŸã‚³ãƒ³ãƒ”ãƒ¥ãƒ¼ã‚¿ã‚½ãƒ•ãƒˆã‚¦ã‚§ã‚¢ã®ã²ã¨ã¤ã§ã€Javaã®ã‚½ãƒ¼ã‚¹ã‚³ãƒ¼ãƒ‰ã‹ã‚‰HTMLå½¢å¼ã®APIä»•æ§˜æ›¸ã‚’ç”Ÿæˆã™ã‚‹ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°ãƒ„ãƒ¼ãƒ«ã§ã‚ã‚‹[1]ã€‚åºƒç¾©ã§ã¯Javadocã«å¯¾å¿œã—ãŸå½¢å¼ã®ã‚³ãƒ¡ãƒ³ãƒˆã‚’æŒ‡ã™ã€‚ Java Development Kit (JDK) ã‚„OpenJDKã®ã‚ˆã†ãªJavaã®ã‚½ãƒ•ãƒˆã‚¦ã‚§ã‚¢é–‹ç™ºã‚ãƒƒãƒˆã«å«ã¾ã‚Œã‚‹CUI/CLIãƒ™ãƒ¼ã‚¹ã®ã‚³ãƒžãƒ³ãƒ‰ãƒ©ã‚¤ãƒ³ãƒ„ãƒ¼ãƒ«ã§ã‚ã‚‹ãŒã€Javaã«å¯¾å¿œã—ãŸå¤šãã®çµ±åˆé–‹ç™ºç’°å¢ƒ (ID
sutara_lumpur 2014/02/10
java

Javadoc

Eclipse
ãƒªãƒ³ã‚¯
Eclipse/Javadoc/Javadocã®æ—¥æœ¬èªžãŒæ–‡å—åŒ–ã‘ã—ã¡ã‚ƒã†ã®ã€‚ - comscom@Wiki
è§£æ±ºç– JavaDocã®ç”Ÿæˆãƒ€ã‚¤ã‚¢ãƒã‚°ã®ã€Œæ¬¡ã¸ã€ï¼žã€Œæ¬¡ã¸ã€ã§ã€ŒJavaDocå¼•æ•°ã‚’æ§‹æˆã™ã‚‹ã€ç”»é¢ã‚’è¡¨ç¤ºã™ã‚‹ã€‚ ã€Œè¿½åŠ ã®JavaDocã‚ªãƒ—ã‚·ãƒ§ãƒ³(ç©ºç™½æ–‡å—ã‚’å«ã‚€ãƒ‘ã‚¹åã¯å¼•ç”¨ç¬¦ã§å›²ã‚€å¿…è¦ãŒã‚ã‚Šã¾ã™)ã€ã®ã¨ã“ã‚ã« -encoding UTF-8 -charset UTF-8
sutara_lumpur 2014/02/10
åŠ©ã‹ã‚Šã¾ã—ãŸ m(_ _)m #Eclipse

Eclipse

Javadoc

java
ãƒªãƒ³ã‚¯
How to Write Doc Comments for the Javadoc(TM) Tool
Javadoc Home Page This document describes the style guide, tag and image conventions we use in documentation comments for Java programs written at Java Software, Oracle. It does not rehash related material covered elsewhere: For reference material on Javadoc tags, see the Javadoc reference pages. For the required semantic content of documentation comments, see Requirements for Writing Java API Spe
sutara_lumpur 2014/02/10
java
ãƒªãƒ³ã‚¯
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