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ù ÆäÀÌÁö ·£´ý ±Û ȸ¿ø°¡ÀÔ ·Î±×ÀÎ
ºñ°ø°³ ¼Õ´Ô ¡¦ 2015-03-17 10:54:44
URL https://te31.com/rgr/view.php?id=study&no=1060 ¸ð¹ÙÀÏ È­¸é
byte Å©±â °ü·Ã Áú¹® µå¸³´Ï´Ù.

ƯÁ¤ ÆÄÀÏÀÇ byte Å©±â ¸¸Å­(¿¹¸¦ µé¾î ÆÄÀÏ Àüü »çÀÌÁî°¡ 100 ¹ÙÀÌÆ® ¶ó¸é 10¹ÙÀÌÆ®¸¸ ±Ü¾î¿È)
°¡Á®¿À·Á°í Çϴµ¥¿ä
¾Æ·¡¿Í °°ÀÌ Âï¾úÀ»¶§ byte »çÀÌÁî°¡ 15·Î ³ª¿À´Âµ¥
¹ÙÀÌÆ® Å©±â°¡ 12°¡ ¾Æ´Ñ 15·Î ³ª¿À´Â ÀÌÀ¯¸¦ ¾Ë ¼ö ÀÖÀ»°¡¿ä?

¼Ò½º
byte[] vrn = new byte[12];
buffer.get(vrn);
System.out.println("3vrn: "+new String(vrn, CHARSET));
System.out.println("3ByteSize: "+new String(vrn, CHARSET).getBytes().length);

°á°ú°ª
3vrn: 31ÀÎõ98»ç83
3ByteSize: 15

Àâ´ã | 1326¸íÀÌ Àоú¾î¿ä. 18.118.5.162

0
1 ºñ°ø°³ ¼Õ´Ô ¡¦ 2015-03-17 10:59:56
À¯´ÏÄÚµå¶ó ±×·¸°í UTF-8 ÀÎÄÚµùÀ̸é ÇѱÛÀº 3¹ÙÀÌÆ®, ascii´Â 1¹ÙÀÌÆ®ÀÔ´Ï´Ù.
2 ºñ°ø°³ ¼Õ´Ô ¡¦ 2015-03-17 11:00:30
À¯´ÏÄÚµå ¼¼»ó¿¡¼­´Â ¹ÙÀÌÆ®¼ö º¸´Ù´Â ±ÛÀÚ¼ö°¡ ´õ Áß¿äÇØ¿ä.
3 ºñ°ø°³ ¼Õ´Ô ¡¦ 2015-03-17 11:16:10
´äº¯ °¨»çÇÕ´Ï´Ù.
±Ùµ¥ Àǹ®ÀÎ°Ô º»¹®¿¡¼­ ¼¼ÆÃÇÑ À¯´ÏÄڵ尪°ú Ãâ·Â°ªÀ» °¡Áö°í µû·Î ¸ÞÀθ޼ҵ带 µ¹·Áº¸¸é ¾Æ·¡Ã³·³ ³ª¿É´Ï´Ù.

ij¸¯ÅͼÂÀº ¾Æ·¡¿Í °°ÀÌ ¼¼ÆÃÀ» ÇسõÀº »óÅÂÀÌ°í¿ä
public static final String CHARSET = "KSC5601";

À§¿Í º°°³·Î º°µµÀÇ ¸ÞÀθ޼ҵå·Î ÇØ´ç°ª¸¸ ±Ü¾î´Ù°¡ ¾Æ·¡Ã³·³ Âï¾îºÃ´Âµ¥ ÀÌ°Ç ÀüºÎ 12·Î ³ª¿É´Ï´Ù

String data = "31ÀÎõ98»ç83";
byte[] vrn = new byte[12];
vrn = data.getBytes();
System.out.println(data.getBytes().length);
System.out.println(data.getBytes("KSC5601").length);

System.out.println("***********");

System.out.println("vrn1: "+new String(vrn, "KSC5601"));
System.out.println("vrn2: "+new String(vrn, "KSC5601").getBytes());
System.out.println("vrn2: "+new String(vrn, "KSC5601").getBytes().length);

°á°ú°ª
12
12
***********
vrn1: 31ÀÎõ98»ç83
vrn2: [B@65690726
vrn2: 12

º¸½Ã´Ù½ÃÇÇ 12 ·À½º·Î ³ª¿ÀÁÒ...
µµ´ëü ¿Ö ÀÌ·±°ÇÁö..
4 ºñ°ø°³ ¼Õ´Ô ¡¦ 2015-03-17 11:23:46
Áö±Ý Ãß°¡·Î È®ÀÎÇÑ »çÇ×Àε¥ À§ º»¹®°ú À§ ´ñ±Û¿¡ ¾²ÀÎ ¼Ò½º´Â Ŭ·¡½º°¡ °¢°¢ ´Ù¸¥µ¥
À§ º»¹®¿¡ ¾²ÀÎ ¼Ò½º¿¡¼­ 15·À½º ÂïÀº ºÎºÐ ¹Ù·Î ¹Ø¿¡ ÇØ´ç °ª string ¼±¾ðÇÏ°í ¹Ù·Î ¹ÙÀÌÆ® ·À½º Âï¾îº¸´Ï±î 15·Î ³ª¿À³×¿ä;
String t1 = "31ÀÎõ98»ç83";
System.out.println("3size!!: "+t1.getBytes().length);
±Ùµ¥ ÀÌ°É ´Ù¸¥ Ŭ·¡½º ¸ÞÀθ޼ҵ忡¼­ ±×´ë·Î º¹ºÙÀ¸·Î µ¹·Áº½³à 12·Î ³ª¿É´Ï´Ù ¤Ñ¤Ñ;
¾Æ ¹ÌÄ¡°í ÆȦ¶Ù°Ú³×¿ä ¤Ì¤Ñ
5 ºñ°ø°³ ¼Õ´Ô ¡¦ 2015-03-17 11:27:36
À©µµ ȯ°æ¿¡¼­ ¼Ò½ºÀÎÄÚµùÀÌ ms949 (È®Àåȯ¼ºÇü) ÀΰɷΠÃßÁ¤µÇ°í¿ä
KSC-5601Àº È®Àå¿Ï¼ºÇüÀ̶ó ÀÌ ÀÎÄÚµù¿¡¼± ÇѱÛÀÌ 2¹ÙÀÌÆ®ÀÏ°Ì´Ï´Ù ¾Æ¸¶.

Äڵ庸´Ï java °°Àºµ¥ ÀÎÄÚµù ÁÖÀÇÇÏ½Ã°í ¿Ø¸¸Çϸé À¯´ÏÄÚµå ¾²¼¼¿ä.
ms949 / cp949 / euc-kr °°Àº°Å Á¦¹ß ¾²Áö ¸¶½Ã°í...
6 ºñ°ø°³ ¼Õ´Ô ¡¦ 2015-03-17 11:36:30
5//´äº¯ °¨»çµå¸³´Ï´Ù.
È®ÀÎÇغ¸´Ï ¼Ò½º ÀÎÄÚµùÀÌ UTF-8 ·Î µÇ¾îÀֳ׿ä.
ÀÌ »óÅ¿¡¼­ KSC5601 ·Î »çÀÌÁî ±¸Çϴϱî À§¿¡ 12·Î ±¸ÇÏ´ø°Ô 15·Î ³ª¿À°í¿ä...;;
¼Ò½ºÀÎÄÚµùÀÌ UTF-8 ÀÎä·Î ±×³É ÂïÀ¸¸é ±ÛÀÚ°¡ ±úÁö´Âµ¥ "KSC5601" ·Î ÀÎÄÚµùÇؼ­ Âï¾îÁÖ¸é ±ÛÀÚ Á¦´ë·Î ³ª¿À°í, ±×·¸´Ù´Â°Ç ÀÎÄÚµùÀÌ Á¦´ë·Î ‰ç´Ù´Â°Å °°Àºµ¥ »çÀÌÁî°¡ ¿Ö ¾È¹Ù²ð±î¿ä..;
7 ºñ°ø°³ ¼Õ´Ô ¡¦ 2015-03-17 11:39:00
http://docs.oracle.com/javase/8/docs/api/java/lang/String.html#getBytes--
8 ºñ°ø°³ ¼Õ´Ô ¡¦ 2015-03-17 11:41:01
getBytes() ´Â ½Ã½ºÅÛ ÀÎÄÚµùÀ» µû¶ó°¡±â ¶§¹®¿¡ ±×·¸½À´Ï´Ù.

ÇÏ¿©Æ° À¯´ÏÄÚµå ¾È¾²´Â À©µµ¿ì º´½Å OS°¡ ¹®Á¦
9 ºñ°ø°³ ¼Õ´Ô ¡¦ 2015-03-17 11:51:23
¾Æ ÇØ°á‰ç½À´Ï´Ù. Á¦°¡ getByte¸¦ À߸ø½á¼­ ±×·¸³×¿ä -_-;
new String ¿¡ ij¸¯Åͼ¸¸ ³Ö¾îÁÖ¸é µÇ´ÂÁÙ ¾Ë¾Ò´Âµ¥ getByte¿¡µµ Ãß°¡·Î ³Ö¾îÁà¾ß Á¦´ë·Î ³ª¿À³×¿ä;;
´äº¯ °¨»çµå·Á¿ä!
10 ºñ°ø°³ ¼Õ´Ô ¡¦ 2015-03-17 17:14:23
Âü°í·Î, ÀÚ¹Ù¿¡¼­ StringÀº
±× °ªÀ» Ç¥½ÃÇϱâ À§ÇØ char[] ¸¦ ¾²°í ÀÖ½À´Ï´Ù.
char´Â 2byte ÀÇ °íÁ¤ Å©±â¸¦ °®°í ÀÖÀ¸¸ç utf-16 Çü½ÄÀ¸·Î Ç¥ÇöµÇ°í ÀÖ½À´Ï´Ù.

ª°Ô ¸»ÇÏÀÚ¸é
String À» ¾î¶²½ÄÀ¸·Î »ý¼ºÇÏµç °á±¹ ³»ºÎÀûÀ¸·Î´Â utf-16À¸·Î °¡Áö°í ÀÖ´Ù´Â ¸»À̱¸¿ä
new String(byte[], Charset) ÄÁ½ºÆ®·°ÅÍ ¿ª½Ã CharsetÀº byte[]°¡ ¾î¶² ÀÎÄÚµùÀÎÁö¸¸ ÆǺ°ÇÏ´Â °ÍÀÌÁö °á±¹ String ³»ºÎ¿¡´Â utf-16À¸·Î ÀúÀåÇÏ°Ô µË´Ï´Ù.

°í·Î getBytesµîÀ¸·Î ´Ù½Ã byteº¯È¯À» ÇÒ¶§ ¾î¶² ÀÎÄÚµùÀ» ÁöÁ¤ÇÒ °ÍÀÎÁö¸¦ ³Ö¾îÁÖ¾î¾ß¸¸ ¿øÇÏ´Â °ªÀ» ¾òÀ» ¼ö ÀÖ°Ú½À´Ï´Ù.
11 ºñ°ø°³ ¼Õ´Ô ¡¦ 2015-03-17 17:35:38
http://www.joelonsoftware.com/articles/Unicode.html

¿ä°ÅÇѹø Àо°í Çϼ¼¿ä
13 ºñ°ø°³ ¼Õ´Ô ¡¦ 2015-03-18 01:19:55
À©µµ¿ì ³»¿¡¼­µµ À¯´ÏÄڵ尡 »ç¿ëµÇ´Â°Ç ¸Â´Âµ¥ ÀÎÄÚµùÀÌ UTF-16À¸·Î µÇ´Â°É·Î ¾Ë°íÀÖ½À´Ï´Ù.
´ñ±ÛÀ» ÀÛ¼ºÇÏ½Ç ¼ö ¾ø½À´Ï´Ù.
(±ÇÇÑÀÌ ¾ø´Â ȸ¿ø·¹º§)
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