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

public class Client {
    public static final int PORT = 2000;
    public static void main(String[] args) throws IOException {
	InetAddress addr;
	if (args.length >= 1)
	    addr = InetAddress.getByName(args[0]);
	else
	    addr = InetAddress.getByName(null);

	Socket socket = new Socket(addr, PORT);
	System.out.println("Den nya socketen: " + socket);

        BufferedReader in = new BufferedReader(
	    new InputStreamReader(socket.getInputStream()));
        PrintWriter out = new PrintWriter(
	    new BufferedWriter(
                new OutputStreamWriter(
                    socket.getOutputStream())), true);
	// true: PrintWriter is line buffered

        BufferedReader kbd_reader = new BufferedReader(
	    new InputStreamReader(System.in));

	String buf;
	while (true) {
	    buf = kbd_reader.readLine();
	    System.out.println("Från tangentbordet: " + buf);
	    System.out.println("Till servern: " + buf);
	    out.println(buf);
	    String inline = in.readLine();
	    if (inline == null)
		break;
	    System.out.println("Från servern: " + inline);
	}
    } // main
} // Client