return getClass().getName() + "(top=" + top + ",bottom=" + bottom + ",left=" + left + ",right=" + right + ')';
return getClass().getName() + "[top=" + top + ",left=" + left + ",bottom=" + bottom + ",right=" + right + ']';
  public String toString()  {    return getClass().getName() + "(top=" + top + ",bottom=" + bottom +      ",left=" + left + ",right=" + right + ')';  }