Session

Session (org.hibernate.Session)

A single-threaded, short-lived object representing a conversation between the application

and the persistent store.

Maintains a first level cache of data

Session is an interface and SessionImpl is the class which has implemented Session

interface, both are given in org.hibernate.*;

When ever session is opened then internally a database connection will be opened, in

order to get a session or open a session we need to call openSession() method

in SessionFactory, it means SessionFactory produces sessions.

Session sessionObj = sesssionFactoryObj .openSession();