序列化格式

package com.example.nine;

import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;

public class Test {
	public static void main(String[] args) {
		Address address = new Address("安徽省","合肥市","蜀山区");
		Student stu = new Student("丁晓苗",40,address);
		sop("下面开始初始化输出学生信息：");
		sop(stu);
		sop("-----------------------------------");
		ObjectOutputStream out =null ;
		ObjectInputStream in = null;
		Student stu2 = null;
		try{
			out = new ObjectOutputStream(new FileOutputStream("student.dat"));
			out.writeObject(stu);
			in = new ObjectInputStream(new FileInputStream("student.dat"));
			stu2 = (Student)in.readObject();		
		}catch(FileNotFoundException e){
			e.printStackTrace();
		}catch(IOException e){
			e.printStackTrace();
		}catch(ClassNotFoundException e){
			e.printStackTrace();
		}
		sop("下面是序列化的新对象stu2的内容：");
		sop(stu2);
		stu2.getAddress().setQu("好好学习，天天向上");
		sop(stu2.getAddress().getQu());
		sop(stu.getAddress().getQu());
		
	}
	
	public static void sop(Object obj){
		System.out.println(obj);
	}
}