CS202 3- ‹#›
Constructors in Hierarchies
nIf a base class constructor expects an argument list,
the derived class must
explicitly specify the base class constructor's
arguments.
nIf it doesn't, then the
base class is expected to have a default
constructor, which is implicitly called.
nWe explicitly specify the base class constructor's arguments by listing the base class constructor in the derived class' initialization list along with the actual
arguments expected by the base
class constructor.
Client program: derived obj(10,20);
derived::derived(int i, int j) {
...