The 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 class −

public abstract class FilterReader
   extends Reader


Following are the fields for 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

Sr.No. Constructor & Description

protected FilterReader(Reader in)

This creates a new filtered reader.

Class methods

Sr.No. 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 −