[Java] 详解Java 序列化与反序列化（Serialization）

import java.io.serializable;
 
/**
 * @author: pf_xu
 * @date: 2019/3/5 12:37
 * @version 1.0
 */
public class person implements serializable {
 
 private int age;
 private string name;
 
 public person(int age, string name) {
 this.age = age;
 this.name = name;
 }
 
 public void setage(int age) {
 this.age = age;
 }
 
 public void setname(string name) {
 this.name = name;
 }
 
 public int getage() {
 return age;
 }
 
 public string getname() {
 return name;
 }
 
}

import java.io.externalizable;
import java.io.ioexception;
import java.io.objectinput;
import java.io.objectoutput;
 
/**
 * @author: pf_xu
 * @date: 2019/3/5 13:01
 * @version 1.0
 */
public class specialperson implements externalizable {
 
 private int age;
 private string name;
 
 public specialperson(){}
 
 public specialperson(int age, string name) {
 this.age = age;
 this.name = name;
 }
 
 public void setage(int age) {
 this.age = age;
 }
 
 public void setname(string name) {
 this.name = name;
 }
 
 public int getage() {
 return age;
 }
 
 public string getname() {
 return name;
 }
 
 @override
 public void writeexternal(objectoutput out) throws ioexception {
 out.writeobject(age);
 out.writeobject(name);
 }
 
 @override
 public void readexternal(objectinput in) throws ioexception, classnotfoundexception {
 this.age = (integer) in.readobject();
 this.name = (string)in.readobject();
 }
}

import java.io.*;
 
/**
 * @author: pf_xu
 * @date: 2019/3/5 12:40
 * @version 1.0
 */
public class serializabledemo {
 public static void main(string[] args) throws ioexception, classnotfoundexception {
 
 person person = new person(10,"simon");
 objectoutputstream oos1 = new objectoutputstream(new fileoutputstream("object1.out"));
 oos1.writeobject(person);
 objectinputstream ois1= new objectinputstream(new fileinputstream("object1.out"));
 person re_person = (person) ois1.readobject();
 system.out.println(re_person.getname()+"---"+re_person.getage());
 
 specialperson specialperson = new specialperson(30,"daniel");
 objectoutputstream oos2 = new objectoutputstream(new fileoutputstream("object2.out"));
 oos2.writeobject(specialperson);
 objectinputstream ois2= new objectinputstream(new fileinputstream("object2.out"));
 specialperson re_specialperson = (specialperson)ois2.readobject();
 system.out.println(re_specialperson.getname()+"---"+re_specialperson.getage());
 
 }
}