@Override

        public void findAllBooks() {

                Query query = em.createQuery("SELECT e FROM Book e");

                List emps = (List<Book>) query.getResultList();

                System.out.println("book details---->");

                for (Iterator i = emps.iterator(); i.hasNext();) {

                        Book e = (Book) i.next();

                        System.out.println("Book ID---> " + e.getBookId() + ",Name--> "

                                        + e.getName() + ",Author--> " + e.getAuthor()

                                        + ",price--> " + e.getPrice());

                }

 

        }