Java ByteBuffer get and set int type data

import java.nio.ByteBuffer;

public class Main {
  public static void main(String[] argv) throws Exception {
    ByteBuffer buf = ByteBuffer.allocate(100);

    // Put values of different types
    buf.putInt(123);//  w w  w.j  av a  2  s  .c  o m

    // Reset position for reading
    buf.flip();

    // Retrieve the values
    int i = buf.getInt();
    
    System.out.println(i);

  }
}