public byte[] byteArrayValue(){
  bb.position(0);
  byte[] b=new byte[bb.limit()];
  bb.get(b);
  return b;
}

public byte [ ] byteArrayValue ( ) { bb . position ( 0 ) ; byte [ ] b = new byte [ bb . limit ( ) ] ; bb . get ( b ) ; return b ; }
get a copy of the elements of the byte array instrument .
