chat-client-tcp-no thread

package chat1;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.PrintWriter;
import java.net.Socket;

public class Client
{

    public static void main(String[] args) throws Exception
    {
        Socket socket = new Socket("127.0.0.1", 3000);
        // reading from keyboard (bufferedReader object)
        BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(System.in));
        // sending to client (printWriter object)
        PrintWriter printWriter = new PrintWriter(socket.getOutputStream(), true);
        //receiving from server (receiveRead  object)
        BufferedReader receiveRead = new BufferedReader(new InputStreamReader(socket.getInputStream()));

        System.out.println("Start the chitchat, type and press Enter key");

        String receiveMessage, sendMessage;
        while (true)
        {
            //s
            sendMessage = bufferedReader.readLine();  // keyboard reading
            printWriter.println(sendMessage);       // sending to server
            printWriter.flush();
            // flush the data
            //r
            if ((receiveMessage = receiveRead.readLine()) != null) //receive from server
            {
                System.out.println(receiveMessage); // displaying at DOS prompt
            }
        }
    }
}