package com.baeldung.servlets; import java.io.IOException; import javax.servlet.RequestDispatcher; 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 javax.servlet.http.HttpSession; @WebServlet("/update") public class UpdateServlet extends HttpServlet { protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { HttpSession session = request.getSession(false); session.setAttribute("userName", request.getParameter("userName")); session.setAttribute("age", request.getParameter("age")); request.setAttribute("sessionData", session); RequestDispatcher requestDispather = request.getRequestDispatcher("update.jsp"); requestDispather.forward(request, response); } }