এ.আর. রুবেল

import java.io.*; import java.net.*; /* Client Side */ public class Client { public static void main(String args[]) throws Exception { //Client socket to localhost at port 15219 Socket ClientSocket = new Socket("localhost", 15219); BufferedReader br = new BufferedReader(new InputStreamReader(System.in) ); PrintStream ToServer = new PrintStream(ClientSocket.getOutputStream()); BufferedReader FromServer = new BufferedReader( new InputStreamReader(ClientSocket.getInputStream())); System.out.println("My Chat Room Client. Version One"); String msg = ""; while( !msg.equals("logout") ) { msg = br.readLine(); //Reads only 4 messages login, newuser, send and logout if (msg.startsWith("login ")|| msg.startsWith("newuser ") || msg.startsWith("send ")|| msg.startsWith("logout")) { ToServer.println(msg + " "); System.out.println(FromServer.readLine()); } else { //Else print error message System.out.println("Please try one of the four valid commands: login, newuser, send or logout"); } } //Close ClientSocket ClientSocket.close(); } }