It is legal to call a constructor as a member function of an object of a class,as in
class A
{
public:
A(){}
A(int x,int y):xx(x),yy(y){}
// other members
private:
int xx;
int yy;
};
int main()
{
A w;
w.A(2,3);// Is this legal?
}

Question

Quizplus · Accepted Answer

It is not legal to call a constructor as a member function of an object of a class. Constructors are meant to be called only during object creation, not afterwards. Attempting to call a constructor as a member function can lead to undefined behavior.

It Is Legal to Call a Constructor as a Member