Java对象的序列化和反序列化

 1 package FileDemo;
 2 
 3 import java.io.FileInputStream;
 4 import java.io.FileOutputStream;
 5 import java.io.IOException;
 6 import java.io.ObjectInputStream;
 7 import java.io.ObjectOutputStream;
 8 import java.io.Serializable;
 9 
10 class Person implements Serializable {
11     /*
12      * 接口标记，需要被序列化的对象必须实现Serializable接口 否则会出现NotSerializableException异常
13      */
14     String name;
15     int age;
16 
17     public Person(String name, int age) {
18         super();
19         this.name = name;
20         this.age = age;
21     }
22 
23     public String getName() {
24         return name;
25     }
26 
27     public void setName(String name) {
28         this.name = name;
29     }
30 
31     public int getAge() {
32         return age;
33     }
34 
35     public void setAge(int age) {
36         this.age = age;
37     }
38 
39 }
40 
41 public class ObjectStreamDemo {
42 
43     /**
44      * @param args
45      * @throws Exception
46      */
47     public static void main(String[] args) throws Exception {
48 
49         writeObject();
50         readObject();
51     }
52 
53     private static void readObject() throws Exception {
54         ObjectInputStream ois = new ObjectInputStream(new FileInputStream(
55                 "object.object"));
56         Person  obj = (Person)ois.readObject();
57         System.out.println(obj.getName()+":"+obj.getAge());
58     }
59 
60     private static void writeObject() throws IOException, IOException {// 对象的序列化
61         ObjectOutputStream oos = new ObjectOutputStream(new FileOutputStream(
62                 "object.object"));
63         oos.writeObject(new Person("Java", 20));
64         oos.writeObject(new Person("python", 40));
65         oos.writeObject(new Person("linux", 50));
66         oos.writeObject(new Person("ruby", 46));
67         oos.close();
68     }
69 
70 }