package Nov2016;

import java.io.Serializable;

// V1.0版

public class Ques1114 implements Serializable{

    private static final long serialVersionUID = 1L;

    public final int num;

    public Ques1114(){

        num = 123;

    }

}

// 序列化到磁盘

public class TestSerialize{

    public static void main(String[] args) {

        SerializeUtils.writeObject(new Ques1114());

    }

}

// V2.0版 修改num值（serialVersionUID保持不变）

public class Ques1114 implements Serializable{

    private static final long serialVersionUID = 1L;

    public final int num;

    public Ques1114(){

        num = 321;

    }

}

// 反序列化

public class TestDeserialize{

    public static void main(String[] args) {

        Ques1114 ques1114 = (Ques1114)SerializeUtils.readObject();

        System.out.println(ques1114.num);  // 输出值

    }

}