1,configuration interface
Configuration information is responsible for managing hibernate.
2,sessionfactory interface
Sessionfactory is responsible for creating the session instance, which can be built sessionfactory through the configuration instance.
3,session interface
Session is the foundation of Hibernate persistence and provides a number of persistence methods, such as Save,update,delete.
4,transaction interface
Transaction is an interface for doing things in Hibernate, and the transaction interface is an abstraction of real-world implementations that include JDBC transactions, usertransaction in Jta, and even CORBA transactions.
5,query interface
In Hibernate 2.x, the Find () method is used to execute the HQL statement. Hibernate 3.x abolished the find () method and replaced it with the query interface, which is inseparable for executing hql.