what is the need of abstraction? what is abstraction?what
is the abstraction for stack?

Answer Posted / ranjit

for the user simplicity .with knowing the internal
details we can use the pakages.in the oops interfaces are
created .with knowing the internal procedure we can use the
interface.
in the large projects in the organization .the team
lader gives the interfaces to the project members they can
impliment that interfaces packages .

ex:-all packages in windows like summation in word pad.

the machanism in stack is "first in last out".
the processes which comes first that will be exicuted last.

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