Pure Virtual Function in C++

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    • #55833

      What is a Pure Virtual Function in C++?

    • #55875

      A class is made abstract by declaring at least one of its functions as a pure virtual function.

      We cannot create objects of abstract classes. A pure virtual function or abstract function in C++ is a virtual function for which we don’t have an implementation, we only declare it.

      A virtual function with no function body and assigned with a value zero is called a pure virtual function.

      Pure virtual functions must be implemented by derived classes before the class can be instantiated.

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