- UDPClient
public class UDPClient { public static void main(String[] args) throws IOException { DatagramSocket socket = new DatagramSocket(9999); byte[] data = new byte[1024]; DatagramPacket packet = new DatagramPacket(data, data.length); socket.receive(packet); System.out.println("【客户端接收到的数据】" + new String(packet.getData(), 0, packet.getLength())); socket.close(); } }
- UDPServer
public class UDPServer { public static void main(String[] args) throws IOException { DatagramSocket socket = new DatagramSocket(9000); byte[] data = "hello world".getBytes(); DatagramPacket packet = new DatagramPacket(data, 0, data.length, InetAddress.getByName("localhost"), 9999); socket.send(packet); socket.close(); } }
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