版权声明：本文为博主原创文章，未经博主允许不得转载。 https://blog.csdn.net/qingfeng812/article/details/16974023
客户端
package CH05;
import java.net.InetAddress;
import java.net.DatagramPacket;
import java.net.MulticastSocket;
public class Client
{
public static void main(String [] arstring)
{
try
{
byte [] arb = new byte [] {'h','e','l','l','o'};
InetAddress inetAddress = InetAddress.getByName("230.0.0.1");
DatagramPacket datagramPacket = new DatagramPacket(arb, arb.length, inetAddress, 7777);
MulticastSocket multicastSocket = new MulticastSocket();
multicastSocket.send(datagramPacket);
}
catch (Exception exception)
{
exception.printStackTrace();
}
}
}
服务端
package CH05;
import java.net.InetAddress;
import java.net.DatagramPacket;
import java.net.MulticastSocket;
public class Server
{
public static void main(String [] arstring)
{
try
{
MulticastSocket multicastSocket = new MulticastSocket(7777);
InetAddress inetAddress = InetAddress.getByName("230.0.0.1");
multicastSocket.joinGroup(inetAddress);
while (true)
{
byte [] arb = new byte [100];
DatagramPacket datagramPacket = new DatagramPacket(arb, arb.length);
multicastSocket.receive(datagramPacket);
System.out.println(new String(arb));
}
}
catch (Exception exception)
{
exception.printStackTrace();
}
}
}
