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

public class ServerGeval {
    
    public static void main(String[] args) throws IOException {
        boolean _listening = true;
        ServerSocket _serverSocket = null;
        
        try {
            System.out.println ("Attempting to listen for clients on port: 4444");
            _serverSocket = new ServerSocket(4444);
        }
        catch (IOException  e) {
            System.out.println("Could not listen on port: 4444");
            System.exit(-1);
        }
        
        System.out.println ("Listening for clients on port: 4444");
        
        while(_listening) {
            new ServerGevalThread(_serverSocket.accept()).start();
        }
        
        _serverSocket.close();        
    }
}




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

public class ServerGevalThread extends Thread {
    
    private Socket _clientSocket; 
    private BufferedReader _in;
    private PrintWriter _out;
    
    public ServerGevalThread(Socket clientSocket) {
        super("ServerGevalThread");
        this._clientSocket = clientSocket;
    }
    
    public void run() {

        try {
            String inputLine;
            
            _in = new BufferedReader(new InputStreamReader(_clientSocket.getInputStream()));
            _out = new PrintWriter(_clientSocket.getOutputStream(),true);
            
            while ((inputLine = _in.readLine()) != null)
            {
                _out.println("THANKYOU FOR THIS LINE:" + inputLine);
                _out.flush();
                
                System.out.println("RECEIVED:" + inputLine);
            }
        } 
        catch (IOException e) {
            e.printStackTrace();
        }
    }
}