import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.io.PrintWriter;
import java.net.ServerSocket;
import java.net.Socket;

public class Reservtentaserver {
    public static final int PORT = 2005;

    public static void main(String[] args) throws IOException {
        ServerSocket s = new ServerSocket(PORT);
        System.out.println("Reservtentaservern: Lyssnar...");
        Socket socket = s.accept();
        System.out.println("Reservtentaservern: Uppkoppling accepterad.");

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

        String inline = from_client.readLine();
        System.out.println("Reservtentaservern: Tog emot '" + inline + "'");
        to_client.println("HELLO, CLIENT! YOU SAID: " + inline);

        System.out.println("Reservtentaservern: Avslutar.");
    } // main
} // Reservtentaserver