os = new PrintWriter(sock.getOutputStream(), true);
PrintWriter os = new PrintWriter(sock.getOutputStream(), true);
	protected void converse() {		Socket sock;		BufferedReader is;		PrintWriter os;		try {			sock = new Socket(hostName, 7); // echo server.			is = new BufferedReader(new 				InputStreamReader(sock.getInputStream()));			os = new PrintWriter(sock.getOutputStream(), true);			os.println(mesg);			String reply = is.readLine();			System.out.println("Sent \"" + mesg  + "\"");			System.out.println("Got  \"" + reply + "\"");		} catch (IOException e) {			System.err.println(e);		}	}