testobjectinputstream.java

该文件在eclipse环境上运行

package test.io;

import java.io.*;

public class TestObjectInputStream {
	public static void main(String[] args) throws Exception{
		OutputStream out =
			new FileOutputStream("teacher.dat");
		ObjectOutputStream oo = 
			new ObjectOutputStream(out);
		oo.writeObject(new Teacher("zhangsan", 28,2000));
		oo.writeObject(new Teacher("lisi", 28,2000));
		oo.writeObject(new Teacher("wangwu", 30,20000));
		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();
	}
}
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;
	}
}