14 Give a definition for a class SmartBut that is a derived class of the base cl

Question

14 Give a definition for a class SmartBut that is a derived class of the base class Smart given in the following. Do not bother with # include directives or namespace details. class Smart public: Smart void printAnswer() const protected: int ai int b; This class should have an additional data field, crazy, of type bool; one additional member function that takes no arguments and returns a value of type bool; and suitable constructors. The new function is named iscrazy. You do not need to give any implementations, just the class definition.

Explanation / Answer

Answer: Definition of class SmartBut is given below:

// We have inherited publicly because it is commonly used and it is also not mentioned in question.

// If you want to inherit privately or in protected manner just change the public to private or protected.

class SmartBut : public Smart

{ public:

SmartBut(); // Constructor is declared as public with no return type and same name as class's // name.

// Below is the isCrazy() function returning the bool value crazy. It is also declared as public because it // is not mentioned where to declare it and it is common to declare functions as public.     

bool isCrazy()   

{

return crazy;

}

protected:

bool crazy; // This is the crazy variable declared as protected. You may change it to public or // protected.

}; // End class definition with a semi colon.

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