对象序列化及反序列化方法

/*
 *2013/3/13 星期三 8:13:33
 *对象序列化及反序列化方法
 */

import java.io.*;

public class TestObjectOutputStream {
	public static void main(String[] args) throws Exception {
		//实例化Student对象
		Student stu = new Student("小李",21,"男","zheshimima");
		//实例化ObjectOutputStream流对象
		ObjectOutputStream oos = new ObjectOutputStream(new FileOutputStream("F:/Test/Test.txt"));
		//调用writeObject()方法将stu对象序列化
		oos.writeObject(stu);
		//关闭流对象
		oos.close();
		System.out.println("操作完毕");
		
		//实例化ObjectInputStream对象
		ObjectInputStream ois = new ObjectInputStream(new FileInputStream("F:/Test/Test.txt"));
		//将反序列化输出强制转换为Student类型
		Student newstu = (Student)ois.readObject();
		//输出对象name
		System.out.println(newstu.getName());
		//输出结果为null,因为使用了transient进行了修饰,使敏感信息不被写入到数据流中
		System.out.println(newstu.getPassword());
		//关闭流
		ois.close();
	}	
}
/*
 *定义一个Student类,实现Serializable接口,以便被序列化
 */
class Student implements Serializable{
	private String name;
	private String sex;
	private int age;
	private transient String password;
	
	public Student(String name,int age,String sex,String password){
		this.name = name;
		this.age = age;
		this.sex = sex;	
		this.password = password;
	}
	
	public String getName() {
		return name;	
	}
	
	public String getPassword() {
		return password;	
	}
}