Shulou(Shulou.com)06/01 Report--

This article will explain in detail how Java realizes the function of chat room based on UDP. The editor thinks it is very practical, so I share it with you for reference. I hope you can get something after reading this article.

Project structure

Data.java

Package udp;import java.net.InetAddress;public class data {InetAddress Address; int Port; public InetAddress getAddress () {return Address;} public void setAddress (InetAddress address) {Address = address;} public int getPort () {return Port;} public void setPort (int port) {Port = port;}} server side

Server.java

Package udp;import java.io.IOException;import java.net.DatagramPacket;import java.net.DatagramSocket;import java.net.InetAddress;import java.net.SocketException;import java.util.ArrayList;public class Server {DatagramSocket socket = null; ArrayList client; public Server () {try {socket = new DatagramSocket (8888);} catch (SocketException e) {/ / TODO Auto-generated catch block e.printStackTrace ();} client = new ArrayList () } public void sprinter () {try {while (true) {byte [] buf = new byte [3000]; / / packets receiving data DatagramPacket packet = new DatagramPacket (buf,buf.length); socket.receive (packet); / / address InetAddress clientAddress = packet.getAddress (); / / port number int clientPort = packet.getPort (); data d = new data (); d.setAddress (clientAddress) D.setPort (clientPort); int iTun0; / / determine whether there is a client for (; I) sending new messages in the client collection.

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