Java IO Tutorial - Java RandomAccessFile.seek(long pos)

Syntax

RandomAccessFile.seek(long pos) has the following syntax.

public void seek(long pos)  throws IOException

Example

In the following code shows how to use RandomAccessFile.seek(long pos) method.

/* www.j ava  2s.  c o  m*/

import java.io.*;

public class Main {

   public static void main(String[] args) {
      try {
         RandomAccessFile raf = new RandomAccessFile("c:/test.txt", "rw");
         raf.writeUTF("Hello World from java2s.com");

         // set the file pointer at 0 position
         raf.seek(0);

         // print the string
         System.out.println(raf.readUTF());

         // set the file pointer at 5 position
         raf.seek(5);

         // write something in the file
         raf.writeUTF("This is an example from java2s.com");

         // set the file pointer at 0 position
         raf.seek(0);

         System.out.println(raf.readUTF());
         raf.close();
      } catch (IOException ex) {
         ex.printStackTrace();
      }

   }
}