import java.io.*; import javax.servlet.*; import javax.servlet.http.*; public class HelloFromServlet extends HttpServlet { public void service (HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { // set content type and other response header fields first response.setContentType("text/html"); // get the communication channel with the requesting client PrintWriter out = response.getWriter(); // write the data out.println("" + "
" + "