{"id":135711,"date":"2024-05-08T16:27:41","date_gmt":"2024-05-08T10:57:41","guid":{"rendered":"https:\/\/data-flair.training\/blogs\/?p=135711"},"modified":"2024-05-08T16:27:41","modified_gmt":"2024-05-08T10:57:41","slug":"session-management-using-cookies-in-servlet","status":"publish","type":"post","link":"https:\/\/data-flair.training\/blogs\/session-management-using-cookies-in-servlet\/","title":{"rendered":"Session Management Using Cookies in Servlet"},"content":{"rendered":"

Program 1<\/h3>\n
<!DOCTYPE html>\r\n<!--\r\nTo change this license header, choose License Headers in Project Properties.\r\nTo change this template file, choose Tools | Templates\r\nand open the template in the editor.\r\n-->\r\n<html>\r\n    <head>\r\n        <title>TODO supply a title<\/title>\r\n        <meta charset=\"UTF-8\">\r\n        <meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">\r\n    <\/head>\r\n    <body>\r\n        <form method=\"post\" action=\"CookieServlet1\">\r\n         <center>\r\n             <table border=\"1\">\r\n                 <tr>\r\n                     <th>Employee ID<\/th>\r\n                     <td><input type=\"text\" name=\"txtId\"><\/td>\r\n                 <\/tr>\r\n                 <tr>\r\n                     <th>Employee Name<\/th>\r\n                     <td><input type=\"text\" name=\"txtName\"><\/td>\r\n                 <\/tr>\r\n                 <tr>\r\n                     <th>Mobile Number<\/th>\r\n                     <td><input type=\"text\" name=\"txtMobile\"><\/td>\r\n                 <\/tr>\r\n                <tr>\r\n                    <td><\/td>\r\n                    <td><input type=\"submit\" value=\"Submit\"><\/td>\r\n                <\/tr> \r\n             <\/table>    \r\n                 \r\n         <\/center>    \r\n    <\/body>\r\n<\/html><\/pre>\n
Program 2<\/h3>\n
\/*\r\n * To change this license header, choose License Headers in Project Properties.\r\n * To change this template file, choose Tools | Templates\r\n * and open the template in the editor.\r\n *\/\r\n\r\npackage controller;\r\n\r\nimport java.io.IOException;\r\nimport java.io.PrintWriter;\r\nimport javax.servlet.ServletException;\r\nimport javax.servlet.http.Cookie;\r\nimport javax.servlet.http.HttpServlet;\r\nimport javax.servlet.http.HttpServletRequest;\r\nimport javax.servlet.http.HttpServletResponse;\r\n\r\n\/**\r\n *\r\n * @author admin\r\n *\/\r\npublic class CookiServlet1 extends HttpServlet {\r\n\r\n    \/**\r\n     * Processes requests for both HTTP <code>GET<\/code> and <code>POST<\/code>\r\n     * methods.\r\n     *\r\n     * @param request servlet request\r\n     * @param response servlet response\r\n     * @throws ServletException if a servlet-specific error occurs\r\n     * @throws IOException if an I\/O error occurs\r\n     *\/\r\n    protected void processRequest(HttpServletRequest request, HttpServletResponse response)\r\n            throws ServletException, IOException {\r\n        response.setContentType(\"text\/html;charset=UTF-8\");\r\n        try (PrintWriter out = response.getWriter()) {\r\n            \/* TODO output your page here. You may use following sample code. *\/\r\n            out.println(\"<!DOCTYPE html>\");\r\n            out.println(\"<html>\");\r\n            out.println(\"<head>\");\r\n            out.println(\"<title>Servlet CookiServlet1<\/title>\");            \r\n            out.println(\"<\/head>\");\r\n            out.println(\"<body>\");\r\n            out.println(\"<h1>Servlet CookiServlet1 at \" + request.getContextPath() + \"<\/h1>\");\r\n            out.println(\"<center>\");\r\n            String empid,salary;\r\n            String name;\r\n            empid=request.getParameter(\"txtId\");\r\n            name=request.getParameter(\"txtName\");\r\n            salary=request.getParameter(\"txtSalary\");  \r\n            out.println(\"Employee ID=\"+empid);\r\n            out.println(\"Employee NAME=\"+name);\r\n            out.println(\"Employee SALARY=\"+salary);\r\n            Cookie C1=new Cookie(\"id\", empid);\r\n            Cookie C2=new Cookie(\"name\", name);        \r\n            Cookie C3=new Cookie(\"sal\", salary);\r\n            response.addCookie(C1);\r\n            response.addCookie(C2);\r\n            response.addCookie(C3);\r\n            out.println(\"<form method=post action=CookiServlet2>\");\r\n            out.println(\"<input type=submit value=Submit>\");\r\n            out.println(\"<form>\");\r\n            out.println(\"<\/center>\");\r\n            out.println(\"<\/body>\");\r\n            out.println(\"<\/html>\");\r\n        }\r\n    }\r\n\r\n    \r\n    @Override\r\n    protected void doGet(HttpServletRequest request, HttpServletResponse response)\r\n            throws ServletException, IOException {\r\n        processRequest(request, response);\r\n    }\r\n\r\n    \r\n    @Override\r\n    protected void doPost(HttpServletRequest request, HttpServletResponse response)\r\n            throws ServletException, IOException {\r\n        processRequest(request, response);\r\n    }\r\n\r\n    \/**\r\n     * Returns a short description of the servlet.\r\n     *\r\n     * @return a String containing servlet description\r\n     *\/\r\n    @Override\r\n    public String getServletInfo() {\r\n        return \"Short description\";\r\n    }\/\/ <\/editor-fold>\r\n\r\n}<\/pre>\n
Program 3<\/h3>\n
\/*\r\n * To change this license header, choose License Headers in Project Properties.\r\n * To change this template file, choose Tools | Templates\r\n * and open the template in the editor.\r\n *\/\r\n\r\npackage controller;\r\n\r\nimport java.io.IOException;\r\nimport java.io.PrintWriter;\r\nimport javax.servlet.ServletException;\r\nimport javax.servlet.http.Cookie;\r\nimport javax.servlet.http.HttpServlet;\r\nimport javax.servlet.http.HttpServletRequest;\r\nimport javax.servlet.http.HttpServletResponse;\r\n\r\n\/**\r\n *\r\n * @author admin\r\n *\/\r\npublic class CookiServlet2 extends HttpServlet {\r\n\r\n    \/**\r\n     * Processes requests for both HTTP <code>GET<\/code> and <code>POST<\/code>\r\n     * methods.\r\n     *\r\n     * @param request servlet request\r\n     * @param response servlet response\r\n     * @throws ServletException if a servlet-specific error occurs\r\n     * @throws IOException if an I\/O error occurs\r\n     *\/\r\n    protected void processRequest(HttpServletRequest request, HttpServletResponse response)\r\n            throws ServletException, IOException {\r\n        response.setContentType(\"text\/html;charset=UTF-8\");\r\n        try (PrintWriter out = response.getWriter()) {\r\n            \/* TODO output your page here. You may use following sample code. *\/\r\n            out.println(\"<!DOCTYPE html>\");\r\n            out.println(\"<html>\");\r\n            out.println(\"<head>\");\r\n            out.println(\"<title>Servlet CookiServlet2<\/title>\");            \r\n            out.println(\"<\/head>\");\r\n            out.println(\"<body>\");\r\n            out.println(\"<h1>Servlet CookiServlet2 at \" + request.getContextPath() + \"<\/h1>\");\r\n            Cookie C[];\r\n            C=request.getCookies();\r\n             int i;\r\n             for(i=0;i<C.length;i++)\r\n             {\r\n               \/\/ out.println(\"Cookie Name: \"+C[i].getName());\r\n                out.println(\"<br>\");\r\n                out.println(\"Cookie Value: \"+C[i].getValue());\r\n             } \r\n            out.println(\"<\/body>\");\r\n            out.println(\"<\/html>\");\r\n        }\r\n    }\r\n\r\n    \/\/ <editor-fold defaultstate=\"collapsed\" desc=\"HttpServlet methods. Click on the + sign on the left to edit the code.\">\r\n    \/**\r\n     * Handles the HTTP <code>GET<\/code> method.\r\n     *\r\n     * @param request servlet request\r\n     * @param response servlet response\r\n     * @throws ServletException if a servlet-specific error occurs\r\n     * @throws IOException if an I\/O error occurs\r\n     *\/\r\n    @Override\r\n    protected void doGet(HttpServletRequest request, HttpServletResponse response)\r\n            throws ServletException, IOException {\r\n        processRequest(request, response);\r\n    }\r\n\r\n    \/**\r\n     * Handles the HTTP <code>POST<\/code> method.\r\n     *\r\n     * @param request servlet request\r\n     * @param response servlet response\r\n     * @throws ServletException if a servlet-specific error occurs\r\n     * @throws IOException if an I\/O error occurs\r\n     *\/\r\n    @Override\r\n    protected void doPost(HttpServletRequest request, HttpServletResponse response)\r\n            throws ServletException, IOException {\r\n        processRequest(request, response);\r\n    }\r\n\r\n    \/**\r\n     * Returns a short description of the servlet.\r\n     *\r\n     * @return a String containing servlet description\r\n     *\/\r\n    @Override\r\n    public String getServletInfo() {\r\n        return \"Short description\";\r\n    }\/\/ <\/editor-fold>\r\n\r\n}<\/pre>\n
 <\/p>\n","protected":false},"excerpt":{"rendered":"
Program 1 <!DOCTYPE html> <!– To change this license header, choose License Headers in Project Properties. To change this template file, choose Tools | Templates and open the template in the editor. –> <html>...<\/p>\n","protected":false},"author":86671,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[31448],"tags":[31873,31871,31872,31899,31921,31922,31925,31924],"class_list":["post-135711","post","type-post","status-publish","format-standard","hentry","category-advanced-java-tutorials","tag-advanced-java","tag-advanced-java-practical","tag-advanced-java-program","tag-servlet","tag-session-management","tag-session-management-in-servlet","tag-session-management-using-cookies","tag-session-management-using-cookies-in-servlet"],"yoast_head":"\nSession Management Using Cookies in Servlet - DataFlair<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/data-flair.training\/blogs\/session-management-using-cookies-in-servlet\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Session Management Using Cookies in Servlet - DataFlair\" \/>\n<meta property=\"og:description\" content=\"Program 1 <!DOCTYPE html> <!-- To change this license header, choose License Headers in Project Properties. 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