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General Java Programming Tips
  [±Û¸ñ·Ï /½Ã°£¼ø] [´ä±Û¾²±â] [ÇÁ¸°Æ®]   
Á¦¸ñ : HashMap°ú ArrayListÀÇ »ç¿ë°ú ¸Þ¸ð¸® ÀÌ¿ë ¹× ¼Óµµ Áú¹®
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À̹ø¿¡ °³¹ßÇÒ¶§ Vo¸¦ ¸¸µé¾î ¾²·Á°í ArrayList¿Í HashMapÀ»ÀÌ¿ëÇÏ¿© ¸¸µé¾î ¾²·Á°í

Çϰí ÀÖ½À´Ï´Ù..

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Çϳ׿ä.. ±×³É ¹éÅÍ¿¡ ºó°´Ã¼ ³Ö¾î¼­ ¾²¶ó°í Çϴµ¥...

±×·¸°Ô ÇÏÀÚ´Ï ºóŬ·¡½º°¡ ¸¹ÀÌ »ý¼º µÉ»Ó ¾Æ´Ï¶ó °³¹ß ½Ã°£µµ ¸¹ÀÌ °É¸±°Å °°Àºµ¥...

ÀúÈñ°¡ °³¹ßÇÏ´Â ½ÎÀÌÆ®°¡ ´ëÃâ ½Åû ½ÎÀÌÆ®¶ó ÀÏÁ¤ ±â°£ µ¿¾È ¼ø°£ÀûÀ¸·Î Á¢¼ÓÇØ¼­

µðºñ¿¡ ¾×¼ÇÃëÇÏ´Â °ÇÀÌ ¸¹±äÇѵ¥...

Ȥ½Ã Àú¿Í °°Àº ȯ°æ¿¡¿¡¼­ VO¸¦ »ç¿ëÇÏ¿© °³¹ßÇØº¸½ÅºÐÀ̳ª ¸¹Àº °³¹ß°æÇèÀ» 

°¡Áö°í °è½Å ºÐµéÀÇ ¸¹Àº Á¶¾ð ºÎʵ右´Ï´Ù.

¶Ç ÇѰ¡Áö ±Ã±ÝÇÑ°Ô ¾ÆÆÄÄ¡ Common-BeanUtils¸¦ ÀÌ¿ëÇØ¼­ ºó¿¡ µ¿ÀûÀ¸·Î °ªÀ» ÀÔ·Â

ÇÏ´Â°Ç ¼Óµµ¸éÀ̳ª ¸Þ¸ð¸® »ç¿ë¸é¿¡¼­ ¾î´ÀÁ¤µµ È¿À²ÀûÀϼö ÀÖ´ÂÁö ±Ã±ÝÇϳ׿ä..
Á¦¸ñ : Re: ¹Ý´ëÀÏÅÙµ¥¿ä???
±Û¾´ÀÌ: ±èÁ¾Çö(yulisys) 2006/10/19 13:16:31 Á¶È¸¼ö:6352 ÁÙ¼ö:28
¿¹ÀüºÎÅÍ Vector´Â ´À¸®°í ¸Þ¸ð¸® »ç¿ë·®ÀÌ ¸¹±â¶§¹®¿¡ Vector º¸´Ù´Â ArrayList
¸¦ »ç¿ëÇ϶ó°í ¸¹Àº °÷¿¡¼­ ¾ê±â°¡ µÇ¾î ¿Ô½À´Ï´Ù.

µÑ´Ù »ç¿ë¹æ½ÄÀº °ÅÀÇ °°Áö¸¸, Vector ´Â µ¿±âȭ󸮰¡ µÇ¾î ÀÖ°í(synchronized, thread-safe) Çϰí, ArrayList ´Â
µ¿±âȭ󸮰¡ µÇÁö ¾Ê¾Ò´Ù´Â(unsynchronized, unthread-safe) Â÷À̰¡ ÀÖ½À´Ï´Ù.

¸¶Âù°¡Áö·Î HashMap µµ ¿¹Àü¿¡´Â Hashtable ÀÌ ¸¹ÀÌ ¾²ÀÌ´Ù°¡ µ¿±âȭó¸® ¶§¹®¿¡ ¼º´É
Â÷À̰¡ »ý±â¸é¼­ HashMap À» ÁÖ·Î ¸¹ÀÌ ¾²°Ô µÈ°ÍÀ¸·Î ¾Ë°í ÀÖ½À´Ï´Ù.

µ¿±âÈ­ 󸮿¡ ´ëÇÑ °í¹ÎÀÌ ºÒÇÊ¿äÇÏ´Ù¸é Vector º¸´Ù´Â ArrayList³ª HashMap À» ¾²½Ã±â
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¹°·Ð, ¸ñÀû¿¡ µû¶ó¼­ ¾Ë¸Â°Ô »ç¿ëÇÏ´Â°Ô °¡Àå ÁÁ°ÚÁö¸¸, µ¿±âÈ­ 󸮰¡ ºÒÇÊ¿äÇÑ »óȲ
Àε¥µµ ¾Æ¹« »ý°¢¾øÀÌ Vector ¸¦ »ç¿ëÇÏ´Â°Ç ÁÁÁö ¸øÇÑ ½À°üÀ̶ó°í »ý°¢ÇÕ´Ï´Ù.

±×¸®°í, BeanUtils À» ¾²°Ô µÇ¸é ¾²Áö ¾ÊÀ»¶§º¸´Ù ½ÇÇàó¸® ¼Óµµ°¡ ¶³¾îÁö´Â°Ç ¾î¿ ¼ö
¾ø½À´Ï´Ù. ÇÏÁö¸¸, Struts framework ÀÇ ActionForm 󸮵µ Commons-BeanUtil À» »ç¿ë
ÇÏ´Â Á¡À» °¨¾ÈÇÏ½Å´Ù¸é ¼Óµµ¿¡ ¸ñ¸Ç »çÀÌÆ® ¾Æ´Ï¸é, ±×³É »ç¿ëÇϼŵµ ¹«¹æÇÏ´Ù°í
»ý°¢µÇ´Â±º¿ä.. ^^

±¸±Û¿¡¼­ "vector vs arraylist" ·Î °Ë»öÇØ ³ª¿Â °á°úÁß¿¡¼­ ¸î°¡Áö ¸µÅ©Çغ¾´Ï´Ù.
Àо½Ã°í Âü°íÇϼ¼¿ä~

http://okjsp.pe.kr/bbs?act=VIEW&bbs=bbs4&keyfield=content&keyword=&seq=29428&pg=0
http://www.javacafe.or.kr/lecture/cafeLecture/general/My%20Webs/Collection%20Framework.htm
http://blog.empas.com/seeiris/read.html?a=6803084&c=472472

Á¦¸ñ : Re: °©»çÇÕ´Ï´Ù.
±Û¾´ÀÌ: ¼Õ´Ô(guest) 2006/10/20 16:43:47 Á¶È¸¼ö:8279 ÁÙ¼ö:6
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À̹ø¿¡ À̾߱ⳡ¿¡ DbUtilÀ» ÀÌ¿ëÇØ¼­ Çϱâ·Î Çß½À´Ï´Ù.

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