OutputStreamWriter 

Introduction

The Java.io.OutputStreamWriter class is a bridge from character streams to byte streams. Characters written to it are encoded into bytes using a specified charset.

Class declaration

Following is the declaration for Java.io.OutputStreamWriter class −

public class OutputStreamWriter
   extends Writer

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Field

Following are the fields for Java.io.OutputStreamWriter class −

• protected Object lock − This is the object used to synchronize operations on this stream.

Class constructors

Sr.No.	Constructor & Description
1	OutputStreamWriter(OutputStream out)This creates an OutputStreamWriter that uses the default character encoding.
2	OutputStreamWriter(OutputStream out, Charset cs)This creates an OutputStreamWriter that uses the given charset.
3	OutputStreamWriter(OutputStream out, CharsetEncoder enc)This creates an OutputStreamWriter that uses the given charset encoder.
4	OutputStreamWriter(OutputStream out, String charsetName)This creates an OutputStreamWriter that uses the named charset.

Class methods

Sr.No.	Method & Description
1	void close()This method closes the stream, flushing it first.
2	void flush()This method flushes the stream.
3	String getEncoding()This method returns the name of the character encoding being used by this stream.
4	void write(char[] cbuf, int off, int len)This method writes a portion of an array of characters.
5	void write(int c)This method writes a single character.
6	void write(String str, int off, int len)This method writes a portion of a string.

Methods inherited

This class inherits methods from the following classes −

• Java.io.Writer
• Java.io.Object