Answer / vikas

A pure virtual function makes a class abstract.0 is used in
its representation to distinguish it from a normal virtual
function. More at

http://www.cppquestions.com/viewtopic.php?f=26&t=14

Answer / helloworld

I believe pure virtual function is a member function with a
declaration as NULL;
virtual void fun()=0;
Now why zero,since the internal implementation of virtual
function is collection of function pointer ...we intialize
this value of function pointers as NULL.

Answer / viji

A virtual function with a null body is said to be pure
virtual function.
The pure virtual function can be defined later in its
derived class.......

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2 Answers   Honeywell, TCS, Wipro,

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0 Answers  

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2 Answers   CTS,

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