#include
class Animal
{
public:
Animal():itsAge(1) { std::cout << "Animal constructor...\n"; }
~Animal() { std::cout << "Animal destructor...\n"; }
void Move() const { std::cout << "Animal move one step\n"; }
virtual void Speak() const { std::cout << "Animal speak!\n"; }
protected:
int itsAge;
};
class Dog : public Animal
{
public:
Dog() { std::cout << "Dog constructor...\n"; }
~Dog() { std::cout << "Dog destructor...\n"; }
void WagTail() { std::cout << "Wagging Tail...\n"; }
void Speak()const { std::cout << "Woof!\n"; }
void Move()const { std::cout << "Dog moves 5 steps...\n"; }
};
int main()
{
Animal *pDog = new Dog;
pDog->Move();
pDog->Speak();
return 0;
}
Animal constructor...
Dog constructor...
Animal move one step
Woof!