JavaLearning:对象序列化

package org.fun.io;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.Serializable;

@SuppressWarnings("serial")
class Person implements Serializable {
	private String name;
	private int age;

	public Person(String name, int age) {
		this.name = name;
		this.age = age;
	}

	public String toString() {
		return "姓名：" + this.name + "，年龄：" + this.age;
	}
}

public class SerializableDemo {
	public static void main(String[] args) throws Exception {
		Person[] per= { new Person("张三", 30), new Person("李四", 31),
				new Person("王五", 32) };
		ser(per);
		Person[] p= (Person[]) dser();
		print(p);
	}

	public static void ser(Object obj) throws Exception {
		File file = new File("d:" + File.separator + "person.ser");
		ObjectOutputStream oos = null;
		oos = new ObjectOutputStream(new FileOutputStream(file));
		oos.writeObject(obj);
		oos.close();
	}

	@SuppressWarnings("resource")
	public static Object dser() throws Exception {
		Object temp = null;
		File file = new File("d:" + File.separator + "person.ser");
		ObjectInputStream ois = null;
		ois = new ObjectInputStream(new FileInputStream(file));
		temp = ois.readObject();
		return temp;
	}

	public static void print(Person per[]) {
		for (Person p : per) {
			System.out.println(p);
		}
	}
}