7273747576777879808182
em.begin(); Person p1 = em.injectObject(new Person()); p1.setName("Kurt Cobain"); p1.save(); Person p2 = em.injectObject(new Person()); p2.setName("Lola Langohr"); p2.save();
7778798081828384858687
p1.save(); Person p2 = em.injectObject(new Person()); p2.setName("Lola Langohr"); p2.save(); em.commit(); { JpaQuery<Person> query = em.createQuery("select p from Person p", Person.class);