CHAT APPLICATION

PROGRAM

Server Side

import java.io.*;

import java.net.*;

class Server

{

public static DatagramSocket serversocket;

public static DatagramPacket dp;

public static BufferedReader dis;

public static InetAddress ia;

public static byte buf[]=new byte[1024];

public static int cport=789,sport=790;

public static void main(String a[])throws IOException

{

serversocket=new DatagramSocket(sport);

dp=new DatagramPacket(buf,buf.length);

dis=new BufferedReader(new InputStreamReader(System.in));

ia=InetAddress.getLocalHost();

System.out.println("Server is waiting for data from client");

while(true){

serversocket.receive(dp);

String s=new String(dp.getData(),0,dp.getLength());

System.out.println(s);

}}}

Client Side

import java.io.*;

import java.net.*;

class Client{

public static DatagramSocket clientsocket;

public static BufferedReader dis;

public static InetAddress ia;

public static byte buf[]=new byte[1024];

public static int cport=789,sport=790;

public static void main(String a[])throws IOException{

clientsocket = new DatagramSocket(cport);

dis=new BufferedReader(new InputStreamReader(System.in));

ia=InetAddress.getLocalHost();

System.out.println("Client is sending data to Server ");

while(true){                            

String str=dis.readLine();

buf=str.getBytes();

clientsocket.send(new DatagramPacket(buf,str.length(),ia,sport));

}}}