EchoClient

//EchoClient JAVA program
//send BYE to disconnect
//runs at port 5000

import java.io.*;
import java.net.*;
import java.util.*;

class EchoClient
{
    public static void main(String arg[])
    {
        String message;
        Socket socket;
        Scanner readSocket;
        Scanner input=input=new Scanner(System.in);  //Scanner for reading console input
        PrintWriter p;
        boolean exit;

        try
        {
            //Create Socket
            socket=new Socket();

            //Connect to server running at "localhost" (127.0.0.1) @ port 5000
            socket.connect(new InetSocketAddress("localhost",5000));


            try {
                readSocket = new Scanner(socket.getInputStream());              //Scanner to read message from Server
                p = new PrintWriter(socket.getOutputStream(),true);             //PritnWriter to send message to Server

                exit=false;
                System.out.println("Connected to Server..\nGreeting from Server: " + readSocket.nextLine());        //Read initial greeting from Server
                System.out.println("Enter Messages to send to Server...");
                while(!exit)
                {
                    System.out.print("\nTo Server: ");
                    message=input.nextLine();                                       //get message to be sent to server
                    p.println(message);                                             //send message to server
                    System.out.println("From Server: " + readSocket.nextLine());    //read message from server
                    if(message.equals("BYE"))
                        exit=true;
                }
            }
            finally
            {
                socket.close();                                                     //close socket
            }
        }
        catch(Exception e)
        {
            e.printStackTrace();
        }

    }
}




/*How to run:
1. Compile EchoServer.java and EchoClient.java
2. Run EchoServer first
3. Open new command prompt window and run EchoClient next.
4. Enjoy!
*/