public class Main {
public static void main(String[] args) {
EntityManagerFactory emf = Persistence.createEntityManagerFactory("persistenceUnitName");
EntityManager em = emf.createEntityManager();
em.getTransaction().begin();
Person person = new Person();
person.setName("John Doe");
person.setAge(30);
em.persist(person);
em.getTransaction().commit();
em.close();
emf.close();
}
}
