public int arrayBaseOffset(Class clazz){
  if (!clazz.isArray()) {
    throw new IllegalArgumentException("valid for array classes only");
  }
  return arrayBaseOffset0(clazz);
}

public int arrayBaseOffset ( Class clazz ) { if ( ! clazz . isArray ( ) ) { throw new IllegalArgumentException ( "valid for array classes only" ) ; } return arrayBaseOffset0 ( clazz ) ; }
gets the offset from the start of an array object ' s memory to the memory used to store its initial ( zeroeth ) element .
