int Id;
    String email= request.getParameter("email");
    String password= request.getParameter("password");
    UserLog ul = new UserLog(email, password);

    Session session= HibernateUtil.getSessionFactory().openSession();
    Query query = session.createQuery("from UserLog");
    List users = query.list();
    Transaction t = session.beginTransaction();

    Id = (int) session.save(ul);
    t.commit();
    session.close();
    response.sendRedirect("index.jsp");

int user_id;
    String name= request.getParameter("name");
    String lname= request.getParameter("lname");
    String username= request.getParameter("username");
    String email = request.getParameter("email");
    String password = request.getParameter("password");
    String password2 = request.getParameter("password2");

    User u = new User(name, lname, username, email, password, password2);

    Session session= HibernateUtil.getSessionFactory().openSession();
    Query query = session.createQuery("from User");
    List users = query.list();

    Transaction t = session.beginTransaction();
    user_id = (int) session.save(u);
    session.save(u);
    t.commit();
    session.close();
    response.sendRedirect("index.jsp");