Write a C++ class with a constructor that takes two arguments.

Question

Which statement(s) is (are) true ?

class A {
    protected:
        int x;
    public:
        A(int x) : x(x) {}
    };

class B : public A {
    private:
        int y;
    public:
        B(int x, int y) : x(x), y(y) {}
    };

Accepted Answer

This code does not compile because it is a call to a constructor of A which should initialize  the attribute x.

Answer

There is no issue.

Answer

If A had a default constructor, this code would compile.

Answer

It would compile if there were not *x(x)* in the initializer list of the constructor of B.

Question from the C++ - Fundamentals test