The Java.io.PushbackReader class is a character-stream reader that allows characters to be pushed back into the stream.
Following is the declaration for Java.io.PushbackReader class −
public class PushbackReader extends FilterReader
Following are the fields for Java.io.PushbackReader class −
protected Reader in − This is the character-input stream.
protected Object lock − This is the object used to synchronize operations on this stream.
|Sr.No.||Constructor & Description|
This creates a new pushback reader with a one-character pushback buffer.
PushbackReader(Reader in, int size)
This creates a new pushback reader with a pushback buffer of the given size.
|Sr.No.||Method & Description|
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.
This method tells whether this stream supports the mark() operation, which it does not.
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.
This method tells whether this stream is ready to be read.
This method resets the stream.
|8||long skip(long n)
This method skips characters.
|9||void unread(char cbuf)
This method pushes back an array of characters by copying it to the front of the pushback buffer.
|10||void unread(char cbuf, int off, int len)
This method pushes back a portion of an array of characters by copying it to the front of the pushback buffer.
|11||void unread(int c)
This method pushes back a single character by copying it to the front of the pushback buffer.
This class inherits methods from the following classes −