Java.io.BufferedOutputStream Class


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Introduction

The Java.io.BufferedOutputStream class implements a buffered output stream. By setting up such an output stream, an application can write bytes to the underlying output stream without necessarily causing a call to the underlying system for each byte written.

Class declaration

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

public class BufferedOutputStream
   extends FilterOutputStream

Field

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

  • protected byte[] buf -- This is the internal buffer where data is stored.

  • protected int count -- This is the number of valid bytes in the buffer.

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

Class constructors

S.N. Constructor & Description
1

BufferedOutputStream(OutputStream out)

This creates a new buffered output stream to write data to the specified underlying output stream.

2

BufferedOutputStream(OutputStream out, int size)

This creates a new buffered output stream to write data to the specified underlying output stream with the specified buffer size.

Class methods

S.N. Method & Description
1 void flush()

This method flushes this buffered output stream.

2 void write(byte[] b, int off, int len)

This method writes len bytes from the specified byte array starting at offset off to this buffered output stream.

3 void write(int b)

This method writes the specified byte to this buffered output stream.

Methods inherited

This class inherits methods from the following classes:

  • Java.io.FilterOutputStream
  • Java.io.Object


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