JavaTM 2 Platform
Standard Ed. 5.0

java.io
Ŭ·¡½º OutputStream

java.lang.Object 
  »óÀ§¸¦ È®Àå java.io.OutputStream
¸ðµç ±¸ÇöµÈ ÀÎÅÍÆäÀ̽º:
Closeable, Flushable
Á÷°èÀÇ ±âÁ¸ÀÇ ¼­ºê Ŭ·¡½º:
ByteArrayOutputStream, FileOutputStream, FilterOutputStream, ObjectOutputStream, OutputStream, PipedOutputStream

public abstract class OutputStream
extends Object
implements Closeable, Flushable

ÀÌ Ãß»ó Ŭ·¡½º´Â ¹ÙÀÌÆ®ÀÇ Ãâ·Â ½ºÆ®¸²À» Ç¥ÇöÇÏ´Â ¸ðµç Ŭ·¡½ºÀÇ ½´ÆÛ Ŭ·¡½ºÀÔ´Ï´Ù. Ãâ·Â ½ºÆ®¸²Àº, Ãâ·Â ¹ÙÀÌÆ®¸¦ ¹Þ¾Æµé¿©, ƯÁ¤ÀÇ ÀÔ¼öÀÚ¿¡°Ô º¸³À´Ï´Ù.

OutputStream ¼­ºê Ŭ·¡½º¸¦ Á¤ÀÇÇÒ Çʿ䰡 ÀÖ´Â ¾îÇø®ÄÉÀ̼ǿ¡¼­´Â Àû¾îµµ 1 ¹ÙÀÌÆ®ÀÇ Ãâ·ÂÀ» ±âÀÔÇÏ´Â ¸Þ¼­µå¸¦ ¹Ýµå½Ã Á¦°øÇÏÁö ¾ÊÀ¸¸é µÇ¾î ÀÌ·ê ¼ö ÀÖ´Â.

µµÀÔµÈ ¹öÁ¯:
JDK1. 0
°ü·Ã Ç׸ñ:
BufferedOutputStream, ByteArrayOutputStream, DataOutputStream, FilterOutputStream, InputStream, write(int)

»ý¼ºÀÚ °³¿ä
OutputStream ()
           
 
¸Þ¼­µå °³¿ä
 void close ()
          ÀÌ Ãâ·Â ½ºÆ®¸²À» ´Ý¾Æ ÀÌ ½ºÆ®¸²¿¡ °ü·ÃµÈ ¸ðµç system resource¸¦ ÇØ¹æÇÕ´Ï´Ù.
 void flush ()
          ÀÌ Ãâ·Â ½ºÆ®¸²À» Ç÷¡½Ã ÇØ, ¹öÆÛ¿¡ µé¾î°¡ ÀÖ´Â Ãâ·Â ¹ÙÀÌÆ®¸¦ ¸ðµÎ °­Á¦ÀûÀ¸·Î ±âÀÔÇÕ´Ï´Ù.
 void write (byte[] b)
          ÁöÁ¤µÈ ¹ÙÀÌÆ® ¹è¿­·ÎºÎÅÍ ÀÌ Ãâ·Â ½ºÆ®¸²¿¡ b.length ¹ÙÀÌÆ®¸¦ ±âÀÔÇÕ´Ï´Ù.
 void write (byte[] b, int off, int len)
          ¿ÀÇÁ¼Â(offset) off ·ÎºÎÅÍ ½ÃÀ۵Ǵ ÁöÁ¤ÀÇ ¹ÙÀÌÆ® ¹è¿­·ÎºÎÅÍ ÀÌ Ãâ·Â ½ºÆ®¸²¿¡ len ¹ÙÀÌÆ®¸¦ ±âÀÔÇÕ´Ï´Ù.
abstract  void write (int b)
          ÀÌ Ãâ·Â ½ºÆ®¸²·Î ÁöÁ¤µÈ ¹ÙÀÌÆ®¸¦ ±âÀÔÇÕ´Ï´Ù.
 
Ŭ·¡½º java.lang. Object ·ÎºÎÅÍ »ó¼ÓµÈ ¸Þ¼­µå
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

»ý¼ºÀÚ »ó¼¼

OutputStream

public OutputStream()
¸Þ¼­µåÀÇ »ó¼¼

write

public abstract void write(int b)
                    throws IOException 
ÀÌ Ãâ·Â ½ºÆ®¸²·Î ÁöÁ¤µÈ ¹ÙÀÌÆ®¸¦ ±âÀÔÇÕ´Ï´Ù. write ¹ü¿ë ±Ô¾à¿¡¼­´Â 1 ¹ÙÀÌÆ®°¡ Ãâ·Â ½ºÆ®¸²¿¡ ±âÀÔÇØÁý´Ï´Ù. ±âÀÔÇØÁö´Â ¹ÙÀÌÆ®´Â Àμö b ÇÏÀ§ 8 ºñÆ®ÀÔ´Ï´Ù. b »óÀ§ 24 ºñÆ®´Â ¹«½ÃµË´Ï´Ù.

OutputStream ¼­ºê Ŭ·¡½º´Â ÀÌ ¸Þ¼­µåÀÇ ±¸ÇöÀ» Á¦°øÇÏÁö ¾ÊÀ¸¸é ¾ÈµË´Ï´Ù.

ÆÄ¶ó¹ÌÅÍ:
b - byte
¿¹¿Ü:
IOException - ÀÔÃâ·Â ¿¡·¯°¡ ¹ß»ýÇßÀ» °æ¿ì. ƯÈ÷, Ãâ·Â ½ºÆ®¸²ÀÌ ´ÝÇôÁö°í ÀÖ´Â °æ¿ì¿¡ IOException °¡ Throw µÇ´Â ÀÏÀÌ ÀÖ´Ù

write

public void write(byte[] b)
           throws IOException 
ÁöÁ¤µÈ ¹ÙÀÌÆ® ¹è¿­·ÎºÎÅÍ ÀÌ Ãâ·Â ½ºÆ®¸²¿¡ b.length ¹ÙÀÌÆ®¸¦ ±âÀÔÇÕ´Ï´Ù. write(b) ¹ü¿ë ±Ô¾à¿¡¼­´Â write(b) È¿°ú´Â write(b, 0, b.length)¸¦ È£ÃâÇÏ´Â °æ¿ì¿Í ¿ÏÀüÈ÷ °°½À´Ï´Ù.

ÆÄ¶ó¹ÌÅÍ:
b - µ¥ÀÌÅÍ
¿¹¿Ü:
IOException - ÀÔÃâ·Â ¿¡·¯°¡ ¹ß»ýÇßÀ» °æ¿ì
°ü·Ã Ç׸ñ:
write(byte[], int, int)

write

public void write(byte[] b,
                  int off,
                  int len)
           throws IOException 
¿ÀÇÁ¼Â(offset) off ·ÎºÎÅÍ ½ÃÀ۵Ǵ ÁöÁ¤ÀÇ ¹ÙÀÌÆ® ¹è¿­·ÎºÎÅÍ ÀÌ Ãâ·Â ½ºÆ®¸²¿¡ len ¹ÙÀÌÆ®¸¦ ±âÀÔÇÕ´Ï´Ù. write(b, off, len) ¹ü¿ë ±Ô¾à¿¡¼­´Â ¹è¿­ b ³»ÀÇ ÀÏÁ¤ÇÑ ¹ÙÀÌÆ®°¡ Ãâ·Â ½ºÆ®¸²¿¡ Â÷·Ê·Î ±âÀÔÇØÁý´Ï´Ù. ÀÌ Ã³¸®·Î ÃÖÃÊ·Î ±âÀÔÇØÁö´Â ¹ÙÀÌÆ®´Â ¿ä¼Ò b[off], ¸¶Áö¸·¿¡ ±âÀÔÇØÁö´Â ¹ÙÀÌÆ®´Â ¿ä¼Ò b[off+len-1] ÀÔ´Ï´Ù.

OutputStream write ¸Þ¼­µå¿¡¼­´Â ±âÀÔÇÏ´Â ¹ÙÀÌÆ® ¸¶´Ù Àμö°¡ 1 °³ÀÇ ¸Þ¼­µå¸¦ È£ÃâÇÕ´Ï´Ù. ¼­ºê Ŭ·¡½º¿¡¼­´Â ÀÌ ¸Þ¼­µå¸¦ ¿À¹ö¶óÀ̵å(override) ÇØ, º¸´Ù È¿À²ÀûÀ¸·Î ±¸ÇöÇØ ÁÖ¼¼¿ä.

b °¡ null °æ¿ì´Â NullPointerException °¡ Throw µË´Ï´Ù.

off °¡ ºÎÀÇ °æ¿ì,len °¡ ºÎÀÇ °æ¿ì, ȤÀº off+len °¡ ¹è¿­ b ±æÀ̺¸´Ù Å« °æ¿ì´Â IndexOutOfBoundsException °¡ Throw µË´Ï´Ù.

ÆÄ¶ó¹ÌÅÍ:
b - µ¥ÀÌÅÍ
off - µ¥ÀÌÅÍÀÇ °³½Ã ¿ÀÇÁ¼Â(offset)
len - ±âÀÔÇÏ´Â ¹ÙÀÌÆ®¼ö
¿¹¿Ü:
IOException - ÀÔÃâ·Â ¿¡·¯°¡ ¹ß»ýÇßÀ» °æ¿ì. ƯÈ÷, Ãâ·Â ½ºÆ®¸²ÀÌ ´ÝÇôÁö°í ÀÖ´Â °æ¿ì¿¡ IOException °¡ Throw µÈ´Ù

flush

public void flush()
           throws IOException 
ÀÌ Ãâ·Â ½ºÆ®¸²À» Ç÷¡½Ã ÇØ, ¹öÆÛ¿¡ µé¾î°¡ ÀÖ´Â Ãâ·Â ¹ÙÀÌÆ®¸¦ ¸ðµÎ °­Á¦ÀûÀ¸·Î ±âÀÔÇÕ´Ï´Ù. flush ¹ü¿ë ±Ô¾à¿¡¼­´Â ±×¶§±îÁö ±âÀÔÇØÁø ¹ÙÀÌÆ®°¡ Ãâ·Â ½ºÆ®¸²ÀÇ ±¸Çö¿¡ ÇØ ¹öÆÛ¿¡ ³Ö¾îÁö°í ÀÖ´Â °æ¿ì¿¡ flush¸¦ È£ÃâÇϸé, ±×·¯ÇÑ ¹ÙÀÌÆ®´Â Áï½Ã ±× ¸ñÀûÀÇ Àü¼Û ¸ÕÀú ±âÀÔÇØÁý´Ï´Ù.

ÀÌ ½ºÆ®¸²ÀÇ ¸ñÀûÀÇ ¼Û½ÅÁö°¡, ±âº»ÀÌ µÇ´Â operating system¿¡ ÇØ Á¦°øµÇ´Â Ãß»óÈ­ ¿ÀºêÁ§Æ®ÀÎ °æ¿ì (ÆÄÀÏ µî), ½ºÆ®¸²À» Ç÷¡½Ã Çϸé, ½ºÆ®¸²¿¡ Á÷Àü¿¡ ±âÀÔÇØÁø ¹ÙÀÌÆ®¸¸ÀÌ operating system¿¡ ÀεµÇØÁ® ±âÀÔÇØÁý´Ï´Ù. µð½ºÅ© µå¶óÀ̹öµîÀÇ ¹°¸® µð¹ÙÀ̽º¿¡ ½ÇÁ¦·Î ±âÀÔÇØÁø´Ù°í´Â ÇÒ ¼ö ¾ø½À´Ï´Ù.

OutputStream flush ¸Þ¼­µå´Â ¾Æ¹«°Íµµ ½Ç½ÃÇÏÁö ¾Ê½À´Ï´Ù.

Á¤ÀÇ:
ÀÎÅÍÆäÀ̽º Flushable ³»ÀÇ flush
¿¹¿Ü:
IOException - ÀÔÃâ·Â ¿¡·¯°¡ ¹ß»ýÇßÀ» °æ¿ì

close

public void close()
           throws IOException 
ÀÌ Ãâ·Â ½ºÆ®¸²À» ´Ý¾Æ ÀÌ ½ºÆ®¸²¿¡ °ü·ÃµÈ ¸ðµç system resource¸¦ ÇØ¹æÇÕ´Ï´Ù. close ¹ü¿ë ±Ô¾à¿¡¼­´Â close´Â Ãâ·Â ½ºÆ®¸²À» ´Ý½À´Ï´Ù. ´ÝÇôÁø ½ºÆ®¸²Àº Ãâ·Â 󸮸¦ ½ÇÇàÇÒ ¼ö ¾ø½À´Ï´Ù. ¶Ç, ±×°ÍÀ» ´Ù½Ã ¿­ ¼ö ¾ø½À´Ï´Ù.

OutputStream close ¸Þ¼­µå´Â ¾Æ¹«°Íµµ ½Ç½ÃÇÏÁö ¾Ê½À´Ï´Ù.

Á¤ÀÇ:
ÀÎÅÍÆäÀ̽º Closeable ³»ÀÇ close
¿¹¿Ü:
IOException - ÀÔÃâ·Â ¿¡·¯°¡ ¹ß»ýÇßÀ» °æ¿ì

JavaTM 2 Platform
Standard Ed. 5.0

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