Java IO Tutorial - Java LineNumberInputStream.reset()








Syntax

LineNumberInputStream.reset() has the following syntax.

public void reset()  throws IOException

Example

In the following code shows how to use LineNumberInputStream.reset() method.

//from   w  w w . j a v  a  2 s  . c o  m

import java.io.FileInputStream;
import java.io.IOException;
import java.io.LineNumberInputStream;

public class Main {
  public static void main(String[] args) throws IOException {

    FileInputStream fis = new FileInputStream("C:/test.txt");
    LineNumberInputStream lnis = new LineNumberInputStream(fis);

    System.out.println((char) lnis.read());
    System.out.println((char) lnis.read());

    lnis.mark(0);
    System.out.println("mark() invoked");
    System.out.println((char) lnis.read());
    System.out.println((char) lnis.read());

    if (lnis.markSupported()) {
      lnis.reset();
      System.out.println("reset() invoked");
      System.out.println((char) lnis.read());
      System.out.println((char) lnis.read());
    }

  }
}