what is the need of making servlet context listener?

[samdeep aarzoo]

can anyone help me to understand what is the need of
making servlet context listener
can't we do the things without servlet context listener
please help

[Ben Souther]

Originally posted by sandeep mittal:
can't we do the things without servlet context listener

Sure we could.
They've only been around since 2.3 and Servlet apps have certainly exisited before that.