import javax.servlet.*; import javax.servlet.http.*; import java.io.*; public class HelloWorld extends HttpServlet { public void doGet (HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException { // Set the content type of the response. resp.setContentType ("text/html"); // Extract the PrintWriter to write the response. PrintWriter out = resp.getWriter (); // The first part of the response. out.println (""); out.println ("