Tcp_Server.java

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

public class Tcp_Server{
	public static void main(String[] args) throws Exception{
		ServerSocket sersock = new ServerSocket(3000);
		System.out.println("Server  ready for chatting");
		Socket sock = sersock.accept( );                          
		BufferedReader keyRead = new BufferedReader(new InputStreamReader(System.in));
		OutputStream ostream = sock.getOutputStream(); 
		PrintWriter pwrite = new PrintWriter(ostream, true);
		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();
		}               
	}                    
}