EntityManager « javax.persistence « Java by API

1. Java by API
2. javax.persistence
3. EntityManager

1.	EntityManager: createNativeQuery(String arg0)
2.	EntityManager: createQuery(String arg0)
3.	EntityManager: find(Class arg0, Object arg1)
4.	EntityManager: getTransaction()
5.	EntityManager: persist(Object arg0)
6.	EntityManager: remove(Object arg0)