Answer Posted / laxmikant

A virtual function is a function which is precedded by the
key word derived is declared in the base class.It is
normally used to achieve run time polymerphism.That means
we can override the base class function in the derived
class.We can invoke the virtual function through the base
class pointer depending upon the contents to which the base
class pointer points to.
Generally the implementation of virtual
class was found in inheritance where the base class
function is override in the derived class.

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