return (childValue == null || !(childValue instanceof Hashtable || childValue instanceof Vector || childValue.getClass() .isArray()));
return childValue == null || !(childValue instanceof Hashtable || childValue instanceof Vector || childValue.getClass().isArray());
    public boolean isLeaf()    {      return (childValue == null || !(childValue instanceof Hashtable          || childValue instanceof Vector || childValue.getClass()          .isArray()));    }