correct or incorrect

1. The header in the definition of the copy constructor for a derived class takes the form

Derived(const Derived& identifier) : Base(identifier)

{

\\........

}

2. Inheritance hierarchies that access resources at multiple levels require intervention.

3. Each constructor of a derived class calls a constructor of its base class. By default, that constructor is the no-argument constructor.

4.Each constructor of a derived class calls a constructor of its base class.

5. Each constructor of a derived class calls a constructor of its base class. By default that constructor is the no-argument constructor. To override this default , we insert an explicit call to the base class constructor.