package cn.yzu;

 import java.io.IOException;

 import java.io.PrintWriter;

 import javax.servlet.ServletContext;

 import javax.servlet.ServletException;

 import javax.servlet.http.HttpServlet;

 import javax.servlet.http.HttpServletRequest;

 import javax.servlet.http.HttpServletResponse;

 public class AServlet extends HttpServlet {

     public void doGet(HttpServletRequest request, HttpServletResponse response)

             throws ServletException, IOException {

         ServletContext application=this.getServletContext();

         Integer count=(Integer) application.getAttribute("count");

         if(count==null)

         {

             count=1;

             application.setAttribute("count",count);

         }

         else

             application.setAttribute("count",++count);

         PrintWriter writer=response.getWriter();

         writer.print("<h1>"+count+"</h1>");

     }

     public void doPost(HttpServletRequest request, HttpServletResponse response)

             throws ServletException, IOException {

         doGet(request, response);

     }

 }