KeyComparator k = new KeyComparator();
KeyComparator k = KeyComparator.CMP;
    public int compare(Map.Entry<Value, Value> aEntry,                       Map.Entry<Value, Value> bEntry)    {      if (_getter instanceof GetKey) {        KeyComparator k = new KeyComparator();        return k.compare(aEntry, bEntry) * _order;      }      ValueComparator c = new ValueComparator();      return c.compare(aEntry, bEntry) * _order;    }