一个简单的UDP通讯Java代码，udp通讯java,//数据发送类publi

一个简单的UDP通讯Java代码，udp通讯java,//数据发送类publi

//数据发送类public class Sender {    public static void main(String[] args) {        try {            while(true){                String msg = "hello! welcome to DatagramSocket Demo...,";                DatagramSocket sc = new DatagramSocket();                DatagramPacket pk = new DatagramPacket(msg.getBytes(), 0, msg.length(),                         InetAddress.getByName("10.66.78.199"), 8989);                sc.send(pk);                sc.close();             }        } catch (SocketException e) {            e.printStackTrace();        } catch (UnknownHostException e) {            e.printStackTrace();        } catch (IOException e) {            e.printStackTrace();        }    }}//数据接收类public class Reciver {    public static void main(String[] args) {        try {            while(true){                DatagramSocket sc = new DatagramSocket(8989,InetAddress.getLocalHost());                byte[] b = new byte[1024];                DatagramPacket pk = new DatagramPacket(b, 1024);                sc.receive(pk);                System.out.println(new String(b));                sc.close();            }        } catch (SocketException e) {            e.printStackTrace();        } catch (UnknownHostException e) {            e.printStackTrace();        } catch (IOException e) {            e.printStackTrace();        }    }}