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18BECE30063 D-Division AJP(Practical - 7)
Practical – 7
Aim :- W tit e a servle t th at c ou nt s th e nu mber of times that web page
is visited and d ispl ays th e sa me i nf or ma tio n on t ha t pa ge u sing
cookie .
Servlet File:-
package com.cookie;
import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.PrintWriter;
/**
* Servlet implementation class S1
*/
@WebServlet("/S1")
public class S1 extends HttpServlet {
private static final long serialVersionUID = 1L;
static int i = 1;
public void doGet(HttpServletRequest request, HttpServletResponse
response) throws ServletException, IOException {
response.setContentType("text/html");
PrintWriter out = response.getWriter();
String n = request.getParameter("username");
String k = String.valueOf(i);
Cookie c = new Cookie("visit", k);
response.addCookie(c);
int j = Integer.parseInt(c.getValue());
if (j == 1) {
out.println("Welcome " + n);
} else {
out.println("You visited " + i + " times");
}
i++;
