Java发送、接受数据-组播实例,String groupHost="232.0.0.1"; //组播组虚拟IP int port=5678;//端口 public MulticastServer(){ try{ MulticastSocket multicastSocket = new MulticastSocket(port); //MulticastSocket实例 InetAddress inetAddress = InetAddress.getByName(groupHost); //组地址 multicastSocket.joi