Define Pure Virtual Function? Why & when it is used?

Posted Date: 3/16/2013 2:42:44 AM | Location : United States

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The abstract class whose pure virtual method ought to be implemented through all the classes that derives on these. Or else it would result in a compilation error. This construct should be utilized while one wants to make sure that all the derived classes implement the method described  as pure virtual in base class.   Posted by | Posted Date: 3/16/2013 2:43:06 AM

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