java.io.PushbackReader
A character-stream reader allows characters to be pushed back into the stream.
It extends FilterReader
Implemented Interfaces:
Closeable
AutoCloseable
Readable
Some methods of PushbackReader class
close(): This method closes the stream and releases any system resources associated with it.
mark(int): This method marks the present position in the stream.
markSupported(): This method tells whether this stream supports the mark() operation, which it does not.
PushbackReader(Reader): This method creates a new pushback reader with a one-character pushback buffer.
PushbackReader(Reader, int): This method creates a new pushback reader with a pushback buffer of the given size.
read(): This method reads a single character.
read(char[], int, int): This method reads characters into a portion of an array.
ready(): This method tells whether this stream is ready to be read.
reset(): This method resets the stream.
skip(long): This method skips characters
unread(char[]): This method pushes back an array of characters by copying it to the front of the pushback buffer.
unread(int): This method pushes back a single character by copying it to the front of the pushback buffer.
unread(char[], int, int): This method pushes back a portion of an array of characters by copying it to the front of the pushback buffer.
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