Java IO Tutorial - Java RandomAccessFile.write(int b)

Syntax

RandomAccessFile.write(int b) has the following syntax.

public void write(int b)  throws IOException

Example

In the following code shows how to use RandomAccessFile.write(int b) method.

// ww w .  j  av  a2 s .co  m
import java.io.*;

public class Main {

   public static void main(String[] args) {
      try {
         int b1 = 15;
         int b2 = 20;
         
         RandomAccessFile raf = new RandomAccessFile("c:/test.txt", "rw");
         raf.write(b1);

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

         System.out.println(raf.readByte());

         raf.write(b2);

         raf.seek(1);

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

   }
}