Answer Posted / yograj pandey

SessionFactory is Hibernate's concept of a single datastore
and is threadsafe so that many threads can access it
concurrently and request for sessions and immutable cache of
compiled mappings for a single database. A SessionFactory is
usually only built once at startup. SessionFactory should be
wrapped in some kind of singleton so that it can be easily
accessed in an application code.

SessionFactory sessionFactory = new
Configuration().configure().buildSessionfactory();

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