ÄÚµå »ý¼º

 

Alt + Insert Å° Á¶ÇÕÀº ´ç½Å¿¡°Ô  constructors,  accessors ,  equals() and hashCode() methods, °ú ´Ù¾çÇÑ EJB Item Creation dialogs¸¦ »ý¼ºÇϱâ À§ÇÑ ´ÙÀ̾ó·Î±×¸¦ ¾×¼¼½ºÇÏ´Â Æí¸®ÇÑ ¹æ¹ýÀ» ÁÝ´Ï´Ù.

´ç½ÅÀÌ »ý¼º ÄÚµå ºí·ÏÀÌ »ðÀԵDZ⠹ٶó´Â ¿¡µðÅÍ¿¡¼­ ij·µÀ» ¹èÄ¡ÇϽʽÿÀ.

Alt + Insert¸¦ ´©¸£°Å³ª Code ¸Þ´ºÀÇ Generate...  Ç׸ñÀ» ´©¸£¸éGenerate  ÆË¾÷À» ºÎ¸¨´Ï´Ù.. 



¸ðµç ÀÌ ´ÙÀ̾ó·Î±×ÀÇ Toolbar ´Â °Å±â¿¡¼­ ±â¼úµË´Ï´Ù.

»ý¼ºÀÚ »ý¼º

Constructor ¼±ÅÃÇϸéChoose Fields to Initialize by Constructor ´ÙÀ̾ó·Î±×¸¦ ºÎ¸¨´Ï´Ù



´ÙÀ̾ó·Î±×´Â ´ç½ÅÀÇ Å¬·¡½º¿¡¼­ »ý¼ºÀÚ¿¡¼­ ÃʱâÈ­µÇ´Â °ÍÀ» ¼±ÅÃÇÒ ¼ö ÀÖ´Â Çʵ带 º¸¿©ÁÝ´Ï´Ù. ±×¶§ OK¸¦ Ŭ¸¯ÇϽʽÿÀ.   ¸¸ÀÏ ´ç½ÅÀÌ Select None ´©¸£¸é Ŭ·¡½º ÇʵåÀÇ ¾î´À °Íµµ ÀÌ »ý¼ºÀÚ¿¡¼­ ÃʱâÈ­µÇÁö ¾ÊÀ» °ÍÀÔ´Ï´Ù.

»ý¼ºÀÚ°¡ »ý¼ºµÈ Ŭ·¡½º°¡ ¸î °³ÀÇ »ý¼ºÀÚ¸¦ °¡Áö°í ÀÖ´Â ÀϺΠ´Ù¸¥ °ÍÀ» È®ÀåÇϵçÁö ¼±ÅÃÇÕ´Ï´Ù. Choose Super Class Constructor  ´ÙÀ̾ó·Î±×°¡ óÀ½¿¡ º¸ÀÏ °ÍÀÔ´Ï´Ù.



´ç½ÅÀÌ ¼±ÅÃÇÒ ¼ö ÀÖ´Â ÀÌ ´ÙÀ̾ó·Î±×¿¡ ÃÖ»ó Ŭ·¡½º »ý¼ºÀÚÀÇ ±×°ÍÀº ÇöÀçÀÇ Å¬·¡½º »ý¼ºÀÚ¿¡¼­ »ç¿ëµÉ °ÍÀÔ´Ï´Ù.
»ý¼ºµÈ »ý¼ºÀڴ Ưº°ÇÑ ¼­½ÄÀ» °¡Áý´Ï´Ù:  ¼±ÅÃµÈ ÇʵåÀÇ °¢°¢Àº »óÀÀÇÏ´Â ¸Å°³ º¯¼ö¸¦ »ç¿ëÇϸ鼭 ÃʱâÈ­µË´Ï´Ù. ±×¸®°í ¸¸ÀÏ ¸Å°³ º¯¼ö°¡ ÀÖ´Â ÃÖ»ó Ŭ·¡½º »ý¼ºÀÚ°¡ ÀÖÀ¸¸é ¸Å°³ º¯¼ö¿Í ÃÖ»ó Ŭ·¡½º »ý¼ºÀÚ°¡ ºÒ¸± °ÍÀÎ °Í¿¡ µû¶ó ±×µéÀÇ °ªÀº ³Ñ¾î°¥ °ÍÀÔ´Ï´Ù.


¸¸ÀÏ ´ç½ÅÀÌ »ý¼ºÀÚ¸¦ »ý¼ºÇÏ°í ½Í¾îÇÏ´Â °÷ÀÇ Å¬·¡½º°¡ ¾î¶² Çʵ嵵 °¡ÁöÁö ¾Ê°í ±× ÃÖ»ó Ŭ·¡½º(¾î¶² °ÍÀÌ ÀÖ´Ù¸é)ÀÌ ´ÜÁö ÇÑ °³ÀÇ »ý¼ºÀÚ¸¦ °¡Áö¸é,  »ý¼ºÀÚ´Â »ý¼ºµÉ °ÍÀÌ°í ¾î¶² ´ÙÀ̾ó·Î±×µµ ³ªÅ¸³ªÁö ¾ÊÀ» °ÍÀÔ´Ï´Ù.



The
 Toolbar  in all these dialogs is described there  . 

¸ðµç ÀÌ ´ÙÀ̾ó·Î±×ÀÇ Toolbar ´Â °Å±â¿¡¼­ ±â¼úµË´Ï´Ù.

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Getter, Setter  ¶Ç´Â Getter and Setter  Ç׸ñÀ» ¼±ÅÃÇϸé Select Fields to Generate Getters  , Select Fields to Generate Setters  or Select Fields to Generate Getters and Setters   ´ÙÀ̾ó·Î±×¸¦ °¢°¢ ºÎ¸¨´Ï´Ù.


³ªÅ¸³ª´Â ´ÙÀ̾ó·Î±×¿¡¼­ ´ç½ÅÀº ¾×¼¼¼­°¡ »ý¼ºµÉ °ÍÀÎ ÇÑ °³ÀÇ ÇÊµå ¶Ç´Â ÇʵåµéÀ» ¼±ÅÃÇÒ ¼ö ÀÖ½À´Ï´Ù.


¸¸ÀÏ Çʵ尡 °ÔÅ͸¦ °¡Áö¸é, ÀÌ Select Fields to Generate Getters ´ÙÀ̾ó·Î±×¿¡¼­ Çʵå´Â ³ªÅ¸³ªÁö ¾ÊÀ» °ÍÀÔ´Ï´Ù. ¸¸ÀÏ Çʵ尡 ¼¼Å͸¦ °¡Áö¸é, Select Fields to Generate Setters ´ÙÀ̾ó·Î±×¿¡¼­ ÀÌ Çʵ尡 ³ªÅ¸³ªÁö ¾ÊÀ» °ÍÀ̰í, ¸¸ÀÏ Çʵ尡 °ÔÅÍ¿Í ¼¼Å͸¦ °¡Áö¸é Select Fields to Generate Getters and Setters  ´ÙÀ̾ó·Î±×¿¡¼­ Çʵ尡 ³ªÅ¸³ªÁö ¾ÊÀ» °ÍÀÔ´Ï´Ù.

 

Generating equals() and hashCode()  


equals() and hashCode()¸¦ ¼±ÅÃÇϸé 3-´Ü°è ÇÁ·Î¼¼½º¸¦ ÅëÇÏ¿© ´ç½ÅÀ» ¾È³»ÇÏ´Â ¸¶¹ý»ç¸¦ ºÎ¸¨´Ï´Ù.

  ù ¹øÂ°´Â equals()¸¦ ºñ±³ÇÏ´Â Çʵ带 ¼±ÅÃÇÏ´Â Select Fields to be Included in equals() ´ÙÀ̾ó·Î±× ÀÔ´Ï´Ù.


±×·¯³ª, ¸¸ÀÏ ´ç½ÅÀÌ ´ç½ÅÀÇ Å¬·¡½º¿¡¼­ equals()¿Í hashCode()¸¦ ÀÌ¹Ì °¡Áö¸é, ´ç½Å¿¡°Ô ´ÙÀ½ ´ÙÀ̾ó·Î±×°¡ ÇÁ·ÒÇÁÆ® µÉ °Í ÀÔ´Ï´Ù.



´ç½ÅÀº ±âÁ¸ ¹æ¹ýÀ» »èÁ¦ÇÒ ¼ö ÀÖ°í, »õ·Î¿î Çϳª(ÇʵåÀÇ ÇÊ¿äÇÏ´Ù¸é ¶Ç ´Ù¸¥ ¼³Á¤°ú ´õºÒ¾î)¸¦ »ý¼ºÇÒ ¼ö ÀÖ½À´Ï´Ù.


 
µÎ ¹øÂ°´Â ù ¹øÂ° ´Ü°è¿¡¼­ ¼±ÅÃµÈ °ÍÀ¸·ÎºÎÅÍ ÇØ½Ã Äڵ带 °è»êÇϱâ À§ÇØ »ç¿ëµÈ Çʵ带 ¼³Á¤ÇÏ´ÂSelect Fields to be Included in hashCode() ´ÙÀ̾ó·Î±× ÀÔ´Ï´Ù.




 
¸¸ÀÏ ¼±ÅÃµÈ ÇʵåÀÇ ¹«¾ð°¡ ºñ ÇÁ¸®¹ÌƼºê ŸÀÔ¿¡¼­ ºÒÇÊ¿äÇÑ °Ë»çÀÇ »ý¼ºÀ» ÇÇÇϱâ À§Çؼ­¶ó¸é, ¼¼ ¹øÂ° ´Ü°è¿¡ Select all non-null fields  ´ÙÀ̾ó·Î±×´Â ³ªÅ¸³³´Ï´Ù.  ¹Ù²Ù¾î ¸»Çϸé, ¸¸ÀÏ ÀÌ ÇʵåÀÇ ¹«¾ð°¡ üũ ¹Ú½º°¡ ¼±ÅõǸé, ±×·± Çʵ尡 ³Î °ªÀ» °áÄÚ °¡ÁöÁö ¾Ê´Â´Ù ¶ó°í ÃßÁ¤µË´Ï´Ù. ±×¸®°í ±×·± °Ë»ç´Â »ý¼ºµÈ ¹æ¹ýÀ¸·Î Æ÷ÇÔµÇÁö ¾ÊÀ» °ÍÀÔ´Ï´Ù.


Finish to generate equals() and hashCode() methods¸¦ »ý¼ºÇϱâ À§ÇØ Finish ÇϽʽÿÀ.