public class Test91 {

	public static void main(String[] args) throws ClassNotFoundException {

		// 物件序列化
		ObjectOutputStream oos = null;
		try {
			oos = new ObjectOutputStream(new FileOutputStream("obj.ser"));
			oos.writeObject(new Person("k", 11));// 如果引數型別沒有實現Serializable介面，發生NotSerializableException
			oos.writeObject(new Person("kk", 21));
			oos.writeObject(new Person("kkk", 31));
			// oos.writeObject(new Student());可序列化的類的子類是自動可序列化的
		} catch (IOException e) {
			e.printStackTrace();
		} finally {
			if (oos != null) {
				try {
					oos.close();
				} catch (IOException e) {
					throw new RuntimeException("關閉資源失敗");
				}
			}
		}

		// 物件的反序列化
		ObjectInputStream ois = null;
		try {
			ois = new ObjectInputStream(new FileInputStream("obj.ser"));
			Person p1 = (Person) ois.readObject();
			Person p2 = (Person) ois.readObject();
			Person p3 = (Person) ois.readObject();
			ArrayList<Person> list = new ArrayList<>();
			list.add(p1);
			list.add(p2);
			list.add(p3);
			for (Person person : list) {// 讀取物件的順序與寫入物件的順序一致
				System.out.println("非靜態變數：" + person.getName());// 非靜態變數的值被還原
				System.out.println("瞬時變數：" + person.getAge());// 瞬時變數會被賦預設值0
				System.out.println("靜態變數：" + Person.getLength());// 靜態變數的值不變
			}
		} catch (IOException e) {
			e.printStackTrace();
		} finally {
			if (oos != null) {
				try {
					oos.close();
				} catch (IOException e) {
					throw new RuntimeException("關閉資源失敗");
				}
			}
		}
	}
}

class Person implements Serializable {// 如果要讓該類物件可以被序列化，就實現Serializable介面
	/**
	 * 
	 */
	private static final long serialVersionUID = 393843429975524886L;

	private String name;
	private transient int age;// 反序列化之後會被賦預設值0
	private static int length = 100;

	public Person() {
		super();
	}

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

	public String getName() {
		return name;
	}

	public void setName(String name) {
		this.name = name;
	}

	public int getAge() {
		return age;
	}

	public void setAge(int age) {
		this.age = age;
	}

	public static int getLength() {
		return length;
	}

	public static void setLength(int length) {
		Person.length = length;
	}
}

class Student extends Person {

	/**
	 * 
	 */
	private static final long serialVersionUID = -8780508815255118201L;
}