Question: What is wrong with the following code? class classA { protected: void setX (int a); private: int x; }; int main() { classA object; object.setX(4);

What is wrong with the following code?

class classA

{

protected: void setX (int a);

private: int x;

};

int main()

{

classA object;

object.setX(4);

return 0;

}

(In C++ programming please)

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