public static void listEmployeesDepartment(EntityManager entityManager) {
		TypedQuery<Employee> query = entityManager.createQuery(
				"select e from Employee e", Employee.class);
		List<Employee> resultList = query.getResultList();

		entityManager.close();

		for (Employee employee : resultList) {
			System.out
					.println(employee.getFirstName() + " "
							+ employee.getLastName() + " - "
							+ employee.getDepartment());
		}
	}