Question

Which statement concerning the line ": rectangle(h, l), couleur(c)" is true ?

class Rectangle {...}
    class Couleur {...}
    class RectangleColore {
        RectangleColore(double h, double l, Couleur c)
        : rectangle(h, l), couleur(c)
        {...}
    private:
        Rectangle rectangle;
        Couleur couleur;
    }

Accepted Answer

It is the initializer list, which allow to call the constructors of the attributes.

Answer

It is a line of documentation, called information list, allowing to describe which parameters are used for each attributes initialization.

Answer

It is an overloading of constructors for classes Rectangle and Couleur.

Answer

It is nothing known and will produce an error.

Question from the C++ - Fundamentals test