传递自定义对象类型

import java.io.Serializable;
public class Person implements Serializable {
    private String name;
    private int 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;
    }
    @Override
    public String toString() {
        return "Person{"+
                "name'"+name+'\''+
                ",age="+age+'}';
    }
}

import java.io.*;
import java.net.DatagramPacket;
import java.net.DatagramSocket;
public class ObjectTypeServer {
    public static void main(String[] args) {
        DatagramSocket datagramSocket = null;
        ObjectInputStream objectInputStream = null;
        try{
            datagramSocket = new DatagramSocket(9999);
            byte[] bytes = new byte[1024];
            DatagramPacket datagramPacket = new DatagramPacket(bytes,bytes.length);
            //对接收的内容作类型转换
            objectInputStream = new ObjectInputStream(new ByteArrayInputStream(datagramPacket.getData()));
            System.out.println(objectInputStream.readObject());
        }catch (Exception e){
            e.printStackTrace();
        }finally {
            if(datagramSocket!=null){
                datagramSocket.close();
            }
            if(objectInputStream!=null){
                try {
                    objectInputStream.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
    }
}

import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.ObjectOutputStream;
import java.net.DatagramPacket;
import java.net.DatagramSocket;
import java.net.InetSocketAddress;
public class ObjectTypeClient {
    public static void main(String[] args) {
        DatagramSocket datagramSocket = null;
        ByteArrayOutputStream byteArrayOutputStream = null;
        ObjectOutputStream objectOutputStream = null;
        try{
            Person person = new Person();
            person.setAge(25);
            person.setName("老耿");
            byteArrayOutputStream = new ByteArrayOutputStream();
            objectOutputStream = new ObjectOutputStream(byteArrayOutputStream);
            objectOutputStream.writeObject(person);
            byte[] arr = byteArrayOutputStream.toByteArray();
            DatagramPacket datagramPacket = new DatagramPacket(arr,arr.length,new InetSocketAddress("127.0.0.1",9999));
            datagramSocket=new DatagramSocket(8888);
            datagramSocket.send(datagramPacket);
        }catch(Exception e){
            e.printStackTrace();
        }finally {
            if(datagramSocket!=null){
                datagramSocket.close();
            }
            if(objectOutputStream!=null){
                try {
                    objectOutputStream.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
            if(byteArrayOutputStream!=null){
                try {
                    byteArrayOutputStream.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
    }
}