{"id":135888,"date":"2024-05-11T15:37:09","date_gmt":"2024-05-11T10:07:09","guid":{"rendered":"https:\/\/data-flair.training\/blogs\/?p=135888"},"modified":"2024-05-11T15:37:09","modified_gmt":"2024-05-11T10:07:09","slug":"how-to-update-application-in-hibernate","status":"publish","type":"post","link":"https:\/\/data-flair.training\/blogs\/how-to-update-application-in-hibernate\/","title":{"rendered":"How to Update Application in Hibernate"},"content":{"rendered":"

Program 1<\/h3>\n
package beans;\r\n\r\npublic class Student \r\n{\r\n   private int srno;\r\n   private String srname;\r\n   private int sphy;\r\n   private int schem;\r\n   private int smath;\r\n\r\n    public Student() {\r\n    }\r\n\r\n    public int getSrno() {\r\n        return srno;\r\n    }\r\n\r\n    public void setSrno(int srno) {\r\n        this.srno = srno;\r\n    }\r\n\r\n    public String getSrname() {\r\n        return srname;\r\n    }\r\n\r\n    public void setSrname(String srname) {\r\n        this.srname = srname;\r\n    }\r\n\r\n    public int getSphy() {\r\n        return sphy;\r\n    }\r\n\r\n    public void setSphy(int sphy) {\r\n        this.sphy = sphy;\r\n    }\r\n\r\n    public int getSchem() {\r\n        return schem;\r\n    }\r\n\r\n    public void setSchem(int schem) {\r\n        this.schem = schem;\r\n    }\r\n\r\n    public int getSmath() {\r\n        return smath;\r\n    }\r\n\r\n    public void setSmath(int smath) {\r\n        this.smath = smath;\r\n    }\r\n   \r\n}<\/pre>\n
Program 2<\/h3>\n
<!DOCTYPE hibernate-mapping PUBLIC \r\n    \"-\/\/Hibernate\/Hibernate Mapping DTD 3.0\/\/EN\"\r\n    \"http:\/\/www.hibernate.org\/dtd\/hibernate-mapping-3.0.dtd\">\r\n<hibernate-mapping>\r\n    <class name=\"beans.Student\" table=\"student\" schema=\"webhibernate\">\r\n        <id name=\"srno\" column=\"rollno\"><\/id>\r\n        <property name=\"srname\" column=\"name\"><\/property>\r\n        <property name=\"sphy\" column=\"phy\"><\/property>\r\n        <property name=\"schem\" column=\"chem\"><\/property>\r\n        <property name=\"smath\" column=\"math\"><\/property>\r\n    <\/class>\r\n<\/hibernate-mapping><\/pre>\n
Program 3<\/h3>\n
<?xml version=\"1.0\" encoding=\"UTF-8\"?>\r\n<!DOCTYPE hibernate-configuration PUBLIC \"-\/\/Hibernate\/Hibernate Configuration DTD 3.0\/\/EN\" \"http:\/\/www.hibernate.org\/dtd\/hibernate-configuration-3.0.dtd\">\r\n<hibernate-configuration>\r\n  <session-factory>\r\n    <property name=\"connection.driver_class\">com.mysql.jdbc.Driver<\/property>\r\n    <property name=\"connection.url\">jdbc:mysql:\/\/localhost\/webhibernate<\/property>\r\n    <property name=\"connection.username\">root<\/property>\r\n    <property name=\"connection.password\">root@data<\/property>\r\n    <property name=\"connection.pool_size\">10<\/property>\r\n    <property name=\"dialect\">org.hibernate.dialect.MySQLDialect<\/property>\r\n    <property name=\"hbm2ddl.auto\">update<\/property>\r\n    <property name=\"show_sql\">true<\/property>\r\n    <mapping resource=\"resources\/student.hbm.xml\"\/>\r\n  <\/session-factory>\r\n<\/hibernate-configuration><\/pre>\n
Program 5<\/h3>\n
package beans;\r\n\r\nimport java.io.IOException;\r\nimport java.io.PrintWriter;\r\nimport javax.servlet.ServletException;\r\nimport javax.servlet.http.HttpServlet;\r\nimport javax.servlet.http.HttpServletRequest;\r\nimport javax.servlet.http.HttpServletResponse;\r\nimport javax.servlet.http.HttpSession;\r\nimport org.hibernate.Session;\r\nimport org.hibernate.SessionFactory;\r\nimport org.hibernate.cfg.Configuration;\r\n\r\npublic class SearchUpdateData extends HttpServlet {\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 SearchUpdateData<\/title>\");            \r\n            out.println(\"<\/head>\");\r\n            out.println(\"<body>\");\r\n            out.println(\"<h1>Servlet SearchUpdateData at \" + request.getContextPath() + \"<\/h1>\");\r\n            out.println(\"<\/body>\");\r\n            out.println(\"<\/html>\");\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    {\r\n        PrintWriter out=response.getWriter();\r\n        out.println(\"<html>\");\r\n            out.println(\"<head>\");\r\n            out.println(\"<title>Servlet SearchUpdateData<\/title>\");            \r\n            out.println(\"<\/head>\");\r\n            out.println(\"<body>\");\r\n            out.println(\"<center>\");\r\n            int rno;\r\n            rno=Integer.parseInt(request.getParameter(\"txtrno\"));\r\n            Configuration cfg=new Configuration();\r\n            cfg.configure(\"resources\/hibernate.cfg.xml\");\r\n            SessionFactory sf=cfg.buildSessionFactory();\r\n            Session session=sf.openSession();\r\n            Student S=null;\r\n            S=(Student)(session.get(Student.class, rno));\r\n            if(S==null)\r\n                out.println(\"<font color=red size=7>Record not found<\/font>\");\r\n            else\r\n            {\r\n                out.println(\"<form method=post action=FinalUpdate>\");\r\n                out.println(\"<table border=1>\");\r\n                out.println(\"<tr><th>Roll No<\/th><th>Name<\/th><th>Physics<\/th><th>Chemistry<\/th><th>Maths<\/th><\/tr>\");\r\n                out.println(\"<tr>\");\r\n                out.println(\"<td>\"+S.getSrno()+\"<\/td>\");\r\n                HttpSession session1=request.getSession();\r\n                session1.setAttribute(\"rollno\", S.getSrno());\r\n                out.println(\"<td><input type=text name=txtname value=\"+S.getSrname()+\"><\/td>\");\r\n                out.println(\"<td><input type=text name=txtphy value=\"+S.getSphy()+\"><\/td>\");\r\n                out.println(\"<td><input type=text name=txtchem value=\"+S.getSchem()+\"><\/td>\");\r\n                out.println(\"<td><input type=text name=txtmath value=\"+S.getSmath()+\"><\/td>\");\r\n                out.println(\"<td><input type=submit value=Update><\/td>\");\r\n                out.println(\"<\/tr>\");\r\n                out.println(\"<\/table>\");\r\n                out.println(\"<\/form>\");\r\n            }\r\n            out.println(\"<\/center>\");\r\n            out.println(\"<\/body>\");\r\n            out.println(\"<\/html>\");\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 6<\/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 beans;\r\n\r\nimport java.io.IOException;\r\nimport java.io.PrintWriter;\r\nimport javax.servlet.ServletException;\r\nimport javax.servlet.http.HttpServlet;\r\nimport javax.servlet.http.HttpServletRequest;\r\nimport javax.servlet.http.HttpServletResponse;\r\nimport javax.servlet.http.HttpSession;\r\nimport org.hibernate.Session;\r\nimport org.hibernate.SessionFactory;\r\nimport org.hibernate.cfg.Configuration;\r\n\r\n\/**\r\n *\r\n * @author admin\r\n *\/\r\npublic class FinalUpdate 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 FinalUpdate<\/title>\");            \r\n            out.println(\"<\/head>\");\r\n            out.println(\"<body>\");\r\n            out.println(\"<h1>Servlet FinalUpdate at \" + request.getContextPath() + \"<\/h1>\");\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       PrintWriter out=response.getWriter();\r\n       int rno,phy,chem,math;\r\n       String name;\r\n       HttpSession session1=request.getSession();\r\n       rno=Integer.parseInt(session1.getAttribute(\"rollno\").toString());\r\n       name=request.getParameter(\"txtname\");\r\n       phy=Integer.parseInt(request.getParameter(\"txtphy\"));\r\n       chem=Integer.parseInt(request.getParameter(\"txtchem\"));\r\n       math=Integer.parseInt(request.getParameter(\"txtmath\"));\r\n       Student S=new Student();\r\n       S.setSrno(rno);\r\n       S.setSrname(name);\r\n       S.setSphy(phy);\r\n       S.setSchem(chem);\r\n       S.setSmath(math);\r\n            Configuration cfg=new Configuration();\r\n            cfg.configure(\"resources\/hibernate.cfg.xml\");\r\n            SessionFactory sf=cfg.buildSessionFactory();\r\n            Session session=sf.openSession();\r\n            session.update(S);\r\n            session.beginTransaction().commit();\r\n            session.close();\r\n            sf.close();\r\n            out.println(\"Record Updated.............\");\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","protected":false},"excerpt":{"rendered":"
Program 1 package beans; public class Student { private int srno; private String srname; private int sphy; private int schem; private int smath; public Student() { } public int getSrno() { return srno; }...<\/p>\n","protected":false},"author":86671,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[31450],"tags":[31987,31988,31989,32032,32033],"class_list":["post-135888","post","type-post","status-publish","format-standard","hentry","category-hibernate-tutorials","tag-hibernate","tag-hibernate-practical","tag-hibernate-program","tag-how-to-update-application-in-hibernate","tag-update-application-in-hibernate"],"yoast_head":"\nHow to Update Application in Hibernate - 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\/how-to-update-application-in-hibernate\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to Update Application in Hibernate - DataFlair\" \/>\n<meta property=\"og:description\" content=\"Program 1 package beans; 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