SimpleHTTPServer.java

import java.net.ServerSocket;
import java.net.Socket;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.BufferedReader;
import java.util.Date;

public class SimpleHTTPServer
{
    public static void main(String[] args) throws IOException
    {
        final int portNumber = 8080;
        final ServerSocket server = new ServerSocket(portNumber);
        System.out.println("Listening for connection on port " + portNumber + "....");
        while(true)
        {
            try (final Socket client = server.accept())
            {
                System.out.println("Client connected");
                Date today = new Date();
                String httpResponse = "HTTP/1.1 200 OK\r\n\r\n" + today;

                client.getOutputStream().write(httpResponse.getBytes("UTF-8"));
                client.close();
            }
        }
    }
}