@Override public boolean equals(Object o){
  if (this == o) {
    return true;
  }
  if (!(o instanceof PrototypeSize)) {
    return false;
  }
  PrototypeSize size=(PrototypeSize)o;
  return prototype.equals(size.prototype);
}

@ Override public boolean equals ( Object o ) { if ( this == o ) { return true ; } if ( ! ( o instanceof PrototypeSize ) ) { return false ; } PrototypeSize size = ( PrototypeSize ) o ; return prototype . equals ( size . prototype ) ; }
indicates whether some other constantsize is " equal to " this one .
