The Java.io.LineNumberInputStream class is an input stream filter that provides the added functionality of keeping track of the current line number. A line is a sequence of bytes ending with a carriage return character ('\r'), a newline character ('\n'), or a carriage return character followed immediately by a linefeed character.
Following is the declaration for Java.io.LineNumberInputStream class −
public class LineNumberInputStream extends Reader
Following are the fields for Java.io.LineNumberInputStream class −
protected InputStream in − This is the input stream to be filtered.
|Sr.No.||Constructor & Description|
This constructs a newline number input stream that reads its input from the specified input stream.
|Sr.No.||Method & Description|
This method returns the number of bytes that can be read from this input stream without blocking.
This method returns the current line number.
|3||void mark(int readlimit)
This method marks the current position in this input stream.
This method reads the next byte of data from this input stream.
|5||int read(byte b, int off, int len)
This method reads up to len bytes of data from this input stream into an array of bytes.
This method repositions this stream to the position at the time the mark method was last called on this input stream.
|7||void setLineNumber(int lineNumber)
This method sets the line number to the specified argument.
|8||long skip(long n)
This method skips over and discards n bytes of data from this input stream.
This class inherits methods from the following classes −