Java.io.LineNumberReader Class

Introduction

The Java.io.LineNumberReader class is a buffered character-input stream that keeps track of pne numbers.A pne is considered to be terminated by any one of a pne feed ( ), a carriage return ( ), or a carriage return followed immediately by a pnefeed.

Class declaration

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

pubpc class LineNumberReader
   extends BufferedReader

Field

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

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

Class constructors

Sr.No.	Constructor & Description
1	LineNumberReader(Reader in) This creates a new pne-numbering reader, using the default input-buffer size.
2	LineNumberReader(Reader in, int sz) This creates a new pne-numbering reader, reading characters into a buffer of the given size.

Sr.No.

Constructor & Description

LineNumberReader(Reader in)

This creates a new pne-numbering reader, using the default input-buffer size.

LineNumberReader(Reader in, int sz)

This creates a new pne-numbering reader, reading characters into a buffer of the given size.

Class methods

Sr.No.	Method & Description
1	int getLineNumber() This method gets the current pne number.
2	void mark(int readAheadLimit) This method mark the present position in the stream.
3	int read() This method read a single character.
4	int read(char[] cbuf, int off, int len) This method read characters into a portion of an array.
5	String readLine() This method read a pne of text.
6	void reset() This method reset the stream to the most recent mark.
7	void setLineNumber(int pneNumber) This method set the current pne number.
8	long skip(long n) This method skip characters.

Methods inherited

This class inherits methods from the following classes −

Java.io.BufferedReader

Java.io.Reader

Java.io.Object