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

public class Server {

    static ServerSocket serverSocket;
    static Socket socket;
    static DataOutputStream out;
    static DataInputStream in;

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

        System.out.println("Starting server...");
        serverSocket = new ServerSocket(7777);
        System.out.println("Server started...");
        socket = serverSocket.accept();
        System.out.println("Connection established from: " + socket.getInetAddress());
        out = new DataOutputStream(socket.getOutputStream());
        out.writeUTF("This is a test of Java sockets.");
        System.out.println("Data has been sent!");

        in = new DataInputStream(socket.getInputStream());
        boolean done = false;
        while(!done) {
           String message = in.readUTF();
           processMessage(message);
        }
    }

        public static void processMessage(String message) {
            System.out.println("Message Received: " + message);
        }
}