public int arrayIndexScale(Class clazz){
  if (!clazz.isArray()) {
    throw new IllegalArgumentException("valid for array classes only");
  }
  return arrayIndexScale0(clazz);
}

public int arrayIndexScale ( Class clazz ) { if ( ! clazz . isArray ( ) ) { throw new IllegalArgumentException ( "valid for array classes only" ) ; } return arrayIndexScale0 ( clazz ) ; }
gets the size of each element of the given array class .
