Create a chat application using either TCP or UDP protocol
//Client
import java.io.*;
import java.net.*;
public class GossipClient
{
public static void main(String[] args) throws Exception
{
Socket sock = new Socket("127.0.0.1", 3000);
// reading from keyboard (keyRead object)
BufferedReader keyRead = new BufferedReader(new InputStreamReader(System.in));
// sending to client (pwrite object)
OutputStream ostream = sock.getOutputStream();
PrintWriter pwrite = new PrintWriter(ostream, true);
// receiving from server ( receiveRead object)
InputStream istream = sock.getInputStream();
BufferedReader receiveRead = new BufferedReader(new InputStreamReader(istream));
System.out.println("Start the chitchat, type and press Enter key");
String receiveMessage, sendMessage;
while(true)
{
sendMessage = keyRead.readLine(); // keyboard reading
pwrite.println(sendMessage); // sending to server
pwrite.flush(); // flush the data
if((receiveMessage = receiveRead.readLine()) != null) //receive from server
{
System.out.println(receiveMessage); // displaying at DOS prompt
}
}
}
}
//Server
import java.io.*;
import java.net.*;
public class GossipServer
{
public static void main(String[] args) throws Exception
{
ServerSocket sersock = new ServerSocket(3000);
System.out.println("Server ready for chatting");
Socket sock = sersock.accept( );
// reading from keyboard (keyRead object)
BufferedReader keyRead = new BufferedReader(new InputStreamReader(System.in));
// sending to client (pwrite object)
OutputStream ostream = sock.getOutputStream();
PrintWriter pwrite = new PrintWriter(ostream, true);
// receiving from server ( receiveRead object)
InputStream istream = sock.getInputStream();
BufferedReader receiveRead = new BufferedReader(new InputStreamReader(istream));
String receiveMessage, sendMessage;
while(true)
{
if((receiveMessage = receiveRead.readLine()) != null)
{
System.out.println(receiveMessage);
}
sendMessage = keyRead.readLine();
pwrite.println(sendMessage);
pwrite.flush();
}
}
}