import javax.servlet.*; import javax.servlet.http.*; import java.io.*; public class PageCounterServlet extends HttpServlet { public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { response.setContentType("text/html"); PrintWriter out = response.getWriter(); out.println(""); out.println(""); out.println("Page Counter"); out.println(""); out.println(""); ServletContext servletContext = getServletContext(); int pageCounter = Integer.parseInt((String) servletContext.getAttribute("pageCounter")); pageCounter++; out.println("You are visitor number " + pageCounter); servletContext.setAttribute("pageCounter", Integer.toString(pageCounter)); out.println(""); out.println(""); } }