Java RandomAccessFile.read(byte[] b)

public int read(byte[] b)  throws IOException

//ww  w .  ja va2s  . c  om

import java.io.*;

public class Main {

   public static void main(String[] args) {
      try {
         byte[] b1 = {1, 2, 3};
         byte[] b2 = {1, 2, 3, 4, 5, 6, 7, 8};

         
         RandomAccessFile raf = new RandomAccessFile("c:/test.txt", "rw");

         // write something in the file
         raf.writeUTF("java2s.com Hello World");

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

         // read the first 8 bytes and print the number of bytes read
         System.out.println(raf.read(b1));

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

         // read the first 8 bytes and print the number of bytes read
         System.out.println(raf.read(b2));
         raf.close();
      } catch (IOException ex) {
         ex.printStackTrace();
      }

   }
}