JPA - EntityManager.createQuery Examples

    private static void loadEntity(EntityManagerFactory emf) {
        System.out.println("-- Loading Customer --");
        EntityManager em = emf.createEntityManager();
        List<Customer> entityAList = em.createQuery("Select t from Customer t")
                                       .getResultList();
        entityAList.forEach(System.out::println);
        em.close();
    }