testobjectinputstream.java

自己做的一个QQ聊天系统

package test.io;

import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.OutputStream;
import java.io.Serializable;

public class TestObjectInputStream {

	/**
	 * @param args
	 * @throws IOException 
	 * @throws ClassNotFoundException 
	 */
	public static void main(String[] args) throws IOException, ClassNotFoundException {
		// TODO Auto-generated method stub
        OutputStream out = new FileOutputStream("teacher.dat");
        ObjectOutputStream oo = new ObjectOutputStream(out);
        oo.writeObject(new Teacher("杨春春",22,2000));
        oo.writeObject(new Teacher("傻孟孟",23,2000));
        oo.writeObject(new Teacher("冯董董",34,20000));
        oo.close();
        InputStream in = new FileInputStream("teacher.dat");
        ObjectInputStream oi = new ObjectInputStream(in);
        System.out.println(oi.readObject());
        System.out.println(oi.readObject());
        System.out.println(oi.readObject());
        oi.close();
	}

}
@SuppressWarnings("serial") class Teacher implements Serializable{
	String name;
	int age;
	double salary;
	public Teacher(String name,int age,double salary){
		this.name = name;
		this.age = age;
		this.salary = salary;
	}
	public String toString(){
		return name + "," +age+","+salary;
	}
	
}