quoteudpclient.java

高等院校计算机应用技术硕士研究生课程,高级计算机网络程序设计实例子代码,multicast部分.包括server , client.

import java.io.*;
import java.net.*;
import java.util.*;

public class QuoteUDPClient {
    public static void main(String[] args) throws IOException 
    {
        // 够造一个数据报socket
        DatagramSocket socket = new DatagramSocket();

        // 发送请求
        byte[] buf = new byte[256];
        InetAddress address = InetAddress.getByName("192.168.0.48");
        DatagramPacket packet = new DatagramPacket(buf, buf.length, address, 1111);
        socket.send(packet);
    
        // 得到回应
        packet = new DatagramPacket(buf, buf.length);
        socket.receive(packet);

	// 显示回应
        String received = new String(packet.getData());
        
        System.out.println(packet.getAddress().toString());           
        System.out.println("Quote of the Moment: " +received.substring(0,packet.getLength()));
    
        socket.close();
    }
}