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I/O Streams

Revised: Feb./23rd/2003; Since: Jan./5th/2002

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java.io$B%Q%C%1!<%8Fb$N%/%i%9$O!"%G%P%$%9(BI/O$B!"%M%C%H%o!<%/(BI/O$B$J$I$,E}0lE*$JOHAH$_$G@_7W$5$l$F$$$^$9!#A4$F$N%9%H%j!<%`$O!"%P%$%H!&%9%H%j!<%`!"J8;z%9%H%j!<%`!"%*%V%8%'%/%H!&%9%H%j!<%`$KJ,$1$i$l!"]%/%i%9!?%$%s%?%U%'!<%9$K4p$E$-$^$9!#(B

OutputStream$BCj>]%/%i%9(B
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InputStream$BCj>]%/%i%9(B
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Writer$BCj>]%/%i%9(B
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Reader$BCj>]%/%i%9(B
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ObjectOutputStream$B%/%i%9(B
Serializable$B%$%s%?%U%'!<%9$rNs2=!K$7$?$b$N$H%W%j%_%F%#%V7?%G!<%?$r(BOutputStream$B$K=q$-=P$9!#(B
ObjectInputStream$B%/%i%9(B
ObjectOutputStream$B$G=q$-=P$7$?%*%V%8%'%/%H$rFI$_9~$s$GI|85$9$k!#(B

Java$B$G$O!"J8;z$O(B2$B%P%$%H$N(BUNICODE$B$GI=8=$5$l$^$9!#$3$NE@$G!"J8;zNs=hM}$K$*$$$F$O!"%P%$%H$NO"B3!J%7!<%1%s%9!K$G$"$k%P%$%H!&%9%H%j!<%`$O8zN($,0-$/!"J8;z%9%H%j!<%`$,MW5a$5$l$^$7$?!#$^$?!"%*%V%8%'%/%H$r%U%!%$%k$d(BDB$B$K3JG<$7$?$j!"%M%C%H%o!<%/1[$7$K$d$j

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$B=PNO(B		BufferedInputStream
BufferedOutputStream		BufferedReader
CharArrayReader		$BF~=PNO$K%P%C%U%!$r;H$C$F8zN($r>e$2$k(B
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$B=PNO(B		ByteArrayInputStream
ByteArrayOutputStream		CharArrayReader
CharArrayWriter
StringWriter		$B%P%$%HG[Ns$dJ8;zG[Ns!"(BString$B7?%*%V%8%'%/%H$KBP$9$k%9%H%j!<%`$r:n@.$9$k(B
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$B=PNO(B		FileInputStream
FileOutputStream		FileReader
FileWriter		$B%U%!%$%k$KBP$9$k%9%H%j!<%`$r:n@.$9$k(B
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$B=PNO(B		FilterInputStream
FilterOutputStream		FilterReader
FilterWriter		$B$3$l$i$r7Q>5$7$F%+%9%?%`%9%H%j!<%`$r:n@.$9$k$?$a$NCj>]%/%i%9(B
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PipeOutputStream		PipeReader
PipeWriter		$BJ#?t$N0[$J$k%9%H%j!<%`4V$r$D$J$2$k%Q%$%W$r:n@.$9$k(B

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java.io.Reader
Reader
  |
  +--BufferedReader------LineNumberReader
  |
  +--CharArrayReader
  |
  +--InputStreamReader---FileReader
  |
  +--FilterReader--------PushBackReader
  |
  +--PipeReader
  |
  +--StringReader
java.io.Writer
Writer
  |
  +--BufferedWriter
  |
  +--CharArrayWriter
  |
  +--OutputStreamWriter--FileWriter
  |
  +--FilterWriter
  |
  +--PipeWriter
  |
  +--StringWriter

$BNc$($P!"(B Reader $B%/%i%9$OFI$_9~$_$N$?$a$N%a%=%C%I$r 

int read()
int read(char cbuf[])
int read(char cbuf[], int offset, int length)

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int write(int c)
int write(char cbuf[])
int write(char cbuf[], int offset, int length)

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java.io.InputStream
InputStream
  |
  +--FileInputStream
  |                         +--LineNumberInputStream
  +--PipedInputStream       |
  |                         +--DataInputStream
  +--FilterInputStream------|
  |                         +--BufferedInputStream
  +--ByteArrayInputStream   |
  |                         +--PushbackInputStream
  +--SequenceInputStream
  |
  +--StringBufferInputStream
  |
  +--ObjectInputStream
java.io.OutputStream
OutputStream
  |
  +--FileOutputStream
  |
  +--PipedOutputStream      +--DataOutputStream
  |                         |
  +--FilterOutputStream-----+--BufferedOutputStream
  |                         |
  +--ByteArrayOutputStream  +--PrintStream
  |
  +--ObjectOutputStream

Reader/Writer $B$HF1$8$/!"(B InputStream/OutputStream $B$NFI$_9~$_!?=q$-9~$_$N%a%=%C%I$r8+$F$_$^$7$g$&!#(B

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int read()
int read(byte cbuf[])
int read(byte cbuf[], int offset, int length)

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int write(int c)
int write(byte cbuf[])
int write(byte cbuf[], int offset, int length)

$B$I$A$i$b%P%$%H7?$G%G!<%?$r

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Copyright © 2002-2003 SUGAI, Manabu. All Rights Reserved.
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