Basic HTML version of Foils prepared 17 Nov 97

Foil 31 FilterOutputStreams

From Java Tutorial, July 1, 1996 CEWES Tutorial, CPS606, JSU Class CSC499 -- July 22-25 1997, Fall 97. by Nancy J. McCracken,Geoffrey C. Fox, Tom Scavo
FilterOutputStream classes for Foil 31
DataOutputStream and BufferedOutputStream are two important FilterOutputStreams.
To open a data stream to an output file, use:
DataOutputStream out =
  • new DataOutputStream (
  • new FileOutputStream( filename ) );
where filename is a filename string.
Note that DataOutputStream has methods to write any primitive type.
To open a buffered output stream, use:
BufferedOutputStream out =
  • new BufferedOutputStream (
  • new FileOutputStream( filename ) );
Only bytes may be written to a BufferedOutputStream.

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