InputStreamReader 

Introduction

The Java.io.InputStreamReader class is a bridge from byte streams to character streams.It reads bytes and decodes them into characters using a specified charset.

Class declaration

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

public class InputStreamReader
   extends Reader

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Field

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

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

Class constructors

Sr.No.	Constructor & Description
1	InputStreamReader(InputStream in)This creates an InputStreamReader that uses the default charset.
2	InputStreamReader(InputStream in, Charset cs)This creates an InputStreamReader that uses the given charset.
3	InputStreamReader(InputStream in, CharsetDecoder dec)This creates an InputStreamReader that uses the given charset decoder.
4	InputStreamReader(InputStream in, String charsetName)This creates an InputStreamReader that uses the named charset.

Class methods

Sr.No.	Method & Description
1	void close()This method closes the stream and releases any system resources associated with it.
2	String getEncoding()This method returns the name of the character encoding being used by this stream.
3	int read()This method reads a single character.
4	int read(char[] cbuf, int offset, int length)This method reads characters into a portion of an array.
5	boolean ready()This method tells whether this stream is ready to be read.

Methods inherited

This class inherits methods from the following classes −

• Java.io.Reader
• Java.io.Object