Concept explainers
class Box {
private:
double width; double length: double height: public:
Box(double w, l, h)
{ width = w; length = l; height = h; } // Overloaded prefix ++ operator void operator++()
{ ++width; ++length;}
// Overloaded postfix ++ operator void operator++()
{ width++; length++;}
. . . Other member functions follow . . .
};
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