Answer Posted / sridevipc

A session is the time for which a particular user interacts
with a web application.

that data stored in session is not permanent and data
stored is usually only available to a specific user

Sessions serve as a way to transport and maintain user data
in web pages, such as forums, or e-commerce websites.

The Application object stores data that is shared accross
the application and not for a specific user. Internally the
values of both the Session and Application objects are
stored in a key/value pair (HashTable). All data stored in
Application in stored 'in process', meaning if you restart
your application all data in lost (I will show you how to
maintain all application data in another tutorial).

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