/** @param args */
  public static void main(String[] args) {
    Original o = new Original("egg");

    Storage s = new Storage(o.createMemento());
    System.out.println("original the value is:" + o.getValue());

    o.setValue("cat");
    System.out.println(o.getValue());

    o.restoreMemento(s.getMemento());
    System.out.println(o.getValue());
  }