q5.setParameter(1, "San Jose");
List orders =q5.getResultList();
printOrders(orders, test++);
qstring = "select o from Order o where ?1 = o.shipAddress.city";
Query q6 = em.createQuery(qstring);
q6.setParameter(1, "San Jose");
orders = q6.getResultList();
printOrders(orders, test++);
em.close();