LineNumberReader LineNumberReader(Reader) in Java

LineNumberReader(Reader): This method is available in the java.io.LineNumberReader class of Java.

Syntax:

java.io.LineNumberReader.LineNumberReader(Reader in)

This method takes one argument. This method creates a new line-numbering reader, using the default input buffer size.

Parameters: One parameter is required for this method.

in: A Reader object to provide the underlying stream

Exceptions: NA

Approach

Java

import java.io.LineNumberReader;
import java.io.Reader;
import java.io.StringReader;

public class LineNumberReaderLineNumberReader {
    public static void main(String[] args) {

        Reader in = new StringReader("Hello");
        LineNumberReader lineNumberReader = 
                                new LineNumberReader(in);

        System.out.println(lineNumberReader);
    }
}

Output:

java.io.LineNumberReader@7637f22

Some other methods of LineNumberReader

getLineNumber(): This method gets the current line number.

LineNumberReader(Reader, int): This method creates a new line-numbering reader, reading characters into a buffer of the given size.

mark(int): This method marks the present position in the stream.

read(): This method read a single character.

read(char[], int, int): This method read characters into a portion of an array.

readLine(): This method read a line of text.

reset(): This method resets the stream to the most recent mark.

setLineNumber(int): This method sets the current line number.

skip(long): This method skips characters.