TY_BCS_A_JAVA_SLIP8

SLIP 8:

Write a servlet which counts how many times a user has visited a web page. If the user is visiting the page for the first time, display a welcome message. If the user is revisiting the page, display the number of times visited. (Use cookies)

import java.io.*;

import javax.servlet.*;

import javax.servlet.http.*;

public class HitCount extends HttpServlet

{

 public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException,IOException

{

response.setContentType("text/html");

PrintWriter out = response.getWriter();

Cookie c[]=request.getCookies();

if(c==null)

 {

 Cookie cookie = new Cookie("count","1"); response.addCookie(cookie);

out.println("<h3>Welcome Servlet<h3>"+ "Hit Count:<b>1</b>");

}

else

{

int val=Integer.parseInt(c[0].getValue())+1; c[0].setValue(Integer.toString(val)); response.addCookie(c[0]); out.println("Hit Count:<b>"+val+"</b>");

}

 }

}