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

public class EchoClient0 {
	public static void main(String[] args) throws IOException {

		Socket echoSocket =	null;
		PrintWriter toSocket = null;
		BufferedReader fromSocket = null;

		try {
			// 1)
			echoSocket = new Socket("localhost", 4444);
			toSocket = new PrintWriter(echoSocket.getOutputStream(), true);
			fromSocket = new BufferedReader(new InputStreamReader(echoSocket.getInputStream()));
		} catch	(UnknownHostException e) {
			System.err.println("Don't know about host: localhost.");
			System.exit(1);
		} catch	(IOException e) {
			System.err.println("Couldn't get I/O for the connection to: localhost.");
			System.exit(1);
		}

		BufferedReader stdIn = new BufferedReader(new InputStreamReader(System.in));
		
		System.out.print("Message to EchoServer (type): ");
		String userInput = stdIn.readLine();
		
		if (userInput != null) {
			// 3)
			toSocket.println(userInput);
		}
		
		// 6)
		String serverMessage = fromSocket.readLine();
		System.out.println("Message from EchoServer: " + serverMessage);
		
		toSocket.close();
		fromSocket.close();
		stdIn.close();
		echoSocket.close();
	}
}