Delete Servlet

package com.evs.objava33.class20;

import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.evs.objava33.class19.MySqlUserDao;
import com.evs.objava33.class19.UserDao;

/**
 * Servlet implementation class DeleteServlet
 */
@WebServlet("/DeleteServlet")
public class DeleteServlet extends HttpServlet {
private static final long serialVersionUID = 1L;
private UserDao service = null;

/**
* @see HttpServlet#HttpServlet()
*/
public DeleteServlet() {
super();
service = new MySqlUserDao();
}

/**
* @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse
*      response)
*/
protected void doGet(HttpServletRequest request,
HttpServletResponse response) throws ServletException, IOException {
String userid = request.getParameter("userid");
service.deleteUser(userid);
response.sendRedirect("HomeServlet");
}

/**
* @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse
*      response)
*/
protected void doPost(HttpServletRequest request,
HttpServletResponse response) throws ServletException, IOException {
doGet(request, response);
}

}