Java.io.FilterOutputStream Class

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Introduction

The Java.io.FilterOutputStream class is the superclass of all classes that filter output streams.Following are the important points about FilterOutputStream:

  • The class itself simply overrides all methods of OutputStream with versions that pass all requests to the contained output stream.

  • The Subclasses of this class may further override some of these methods and may also provide additional methods and fields.

Class declaration

Following is the declaration for Java.io.FilterOutputStream class:

public class FilterOutputStream
   extends OutputStream

Field

Following are the fields for Java.io.FilterOutputStream class:

  • protected OutputStream out -- This is the output stream to be filtered.

Class constructors

S.N.Constructor & Description
1FilterOutputStream(OutputStream out)
This creates an output stream filter built on top of the specified underlying output stream.

Class methods

S.N.Method & Description
1 void close()
This method closes this output stream and releases any system resources associated with the stream.
2 void flush()
This method flushes this output stream and forces any buffered output bytes to be written out to the stream.
3 void write(byte[] b)
This method writes b.length bytes to this output stream.
4 void write(byte[] b, int off, int len)
This method writes len bytes from the specified byte array starting at offset off to this output stream.
5 void write(int b)
This method writes the specified byte to this output stream.

Methods inherited

This class inherits methods from the following classes:

  • Java.io.Object




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