Difference between a virtual function and a pure virtual function [closed]

Posted by Sachin Chourasiya on Stack Overflow See other posts from Stack Overflow or by Sachin Chourasiya
Published on 2010-04-16T10:33:51Z Indexed on 2010/04/16 10:43 UTC
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Possible Duplicate:
C++ Virtual/Pure Virtual Explained

Hi,

Need to know what is the difference between a pure virtual function and a virtual function?

I know "Pure Virtual Function is a Virtual function with no body" but what does this mean and what is actually done by the line below

virtual void virtualfunctioname() = 0

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