memento.java

java与模式 一书的源码

package com.javapatterns.memento.whiteboxenhanced;

public class Memento
{
    private String state;

    public Memento(String state)
    {
        this.state = state;
    }

    public String getState()
    {
        return this.state;
    }

    public void setState(String state)
    {
        this.state = state;
    }
}