Java-对象流

import java.io.*;
import java.lang.String;
import java.util.Scanner;

public class Test {
    public static void main(String[] args) throws IOException {
        //对象输出流
        Stu s1 = new Stu("张三",16);
        ObjectOutputStream oos = new ObjectOutputStream(new FileOutputStream("d:\\object.txt"));
        oos.writeObject(s1);
        //对象输入流
        ObjectInputStream ois = new ObjectInputStream(new FileInputStream("d:\\object.txt"));
        try {  //此处必须捕获异常
            Stu s2 = (Stu) ois.readObject(); //将读到的对象赋值给s2
        } catch (ClassNotFoundException e) {
            e.printStackTrace();
        }
        System.out.println(s2.name+"  "+s2.age);
    }
}

//输出对象的类必须实现Serializable接口
class Stu implements Serializable {
    String name;
    int age;
    public Stu(String name,int age) {
        this.name = name;
        this.age = age;
    }
}