Java ByteBuffer get read only byte buffer

import java.nio.ByteBuffer;

public class Main {
  public static void main(String[] args) {
    // Create a buffer that is read-write by default
    ByteBuffer bb = ByteBuffer.allocate(1024);
    boolean readOnly = bb.isReadOnly(); // Assigns false to readOnly
    System.out.println(readOnly);

    // Get a read-only buffer
    ByteBuffer bbReadOnly = bb.asReadOnlyBuffer();
    readOnly = bbReadOnly.isReadOnly(); // Assigns true to readOnly
    System.out.println(readOnly);
  }/*from  w  ww . j  a  v  a2  s  .c  o m*/
}