Cookie example Program using getComment(), setComment() methods to get or set a comment

GetComment.java

package com.candidjava;

import java.io.IOException;
import java.io.PrintWriter;

import javax.servlet.ServletException;

import javax.servlet.http.Cookie;

import javax.servlet.http.HttpServlet;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

import javax.servlet.http.HttpSession;

/**

* Servlet implementation class GetComment

*/

public class GetComment extends HttpServlet {

private static final long serialVersionUID = 1L;

/**

* @see HttpServlet#HttpServlet()

*/

public GetComment() {

super();

// TODO Auto-generated constructor stub

}

/**

* @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse

*      response)

*/

protected void doGet(HttpServletRequest req, HttpServletResponse res)

throws ServletException, IOException {
// TODO Auto-generated method stub

String str = req.getParameter("Name");

System.out.println(str);

// Cookie(key,value);

Cookie ck = new Cookie("key", str);

PrintWriter out = res.getWriter();

res.setContentType("text/html");

// HttpServletResponse.addCookie(Cookie);

res.addCookie(ck);

ck.setComment("to calculate the time");

String s = ck.getComment();

HttpSession ses = req.getSession(true);

ses.setAttribute("k1", str);

ses.setAttribute("k2", s);

res.sendRedirect("Comment.jsp");

}

 

/**

* @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse

*      response)

*/

protected void doPost(HttpServletRequest request,

HttpServletResponse response) throws ServletException, IOException {

// TODO Auto-generated method stub
}

}

web.xml

commentGetCommentGetCommentcom.candidjava.GetCommentGetComment/GetCommentComment.html

Comment.html

Comment.jsp

Your cookie's name




your cookie's comment is

Output

Output 1:

Output 2:

Download Source:  Comment