java 序列化实现深度克隆

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package com.test;import java.io.ByteArrayInputStream;import java.io.ByteArrayOutputStream;import java.io.ObjectInputStream;import java.io.ObjectOutputStream;import java.io.Serializable;import java.util.ArrayList;import java.util.List;public class StudentClone implements Cloneable,Serializable    {    static final long serialVersionUID = -8084210473720589252L; String name;         int age;              List<String> list = new ArrayList<String>(){{     add("A");     add("B");     add("C");     }};              StudentClone(String name,int age)         {            this.name=name;            this.age=age;         }             public Object clone(){              try{             //save the object to a byte array             ByteArrayOutputStream bout = new ByteArrayOutputStream();             ObjectOutputStream out = new ObjectOutputStream(bout);             out.writeObject(this);             out.close();                          //read a clone of the object from byte array             ByteArrayInputStream bin = new ByteArrayInputStream(bout.toByteArray());             ObjectInputStream in = new ObjectInputStream(bin);             Object ret = in.readObject();             in.close();                          return ret;         }catch(Exception e){             return null;         }     }                    public static void main(String[] args)  {    StudentClone s1= new StudentClone("zhangsan",50);  StudentClone s2=(StudentClone)s1.clone(); s2.list.add("D");    s2.name="lisi";        s2.age=20;        System.out.println("name="+s1.name+","+"age="+s1.age);//修改学生2后，不影响学生1的值。       System.out.println("name="+s2.name+","+"age="+s2.age);    System.out.println("name="+s1.name+","+"age="+s1.age);        System.out.println(s1.list.size()+"hhhhhhh");    System.out.println(s2.list.size()+"uuuuuuu");}   }
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