Java.io.FilterReader Class

Introduction

The Java.io.FilterReader class is for reading filtered character streams. Following are the important points about FilterReader:

• The class itself provides default methods that pass all requests to the contained stream.
• The Subclasses of FilterReader should override some of these methods and may also provide additional methods and fields.

Class declaration

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

public abstract class FilterReader
  extends Reader

Field

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

• protected Reader in -- This is the character-input stream.
• protected Object lock -- This is the object used to synchronize operations on this stream.

Class constructors

S.N.	Constructor & Description
1	protected FilterReader(Reader in) This creates a new filtered reader.

Class methods

S.N.	Method & Description
1	void close() This method closes the stream and releases any system resources associated with it.
2	void mark(int readAheadLimit) This method marks the present position in the stream.
3	boolean markSupported() This method tells whether this stream supports the mark() operation.
4	int read() This method reads a single character.
5	int read(char[] cbuf, int off, int len) This method reads characters into a portion of an array.
6	boolean ready() This method tells whether this stream is ready to be read.
7	void reset() This method resets the stream.
8	long skip(long n) This method skips characters.

Methods inherited

This class inherits methods from the following classes:

• Java.io.Reader
• Java.io.Object