#include
#include
using namespace std;
class Animal {
protected:
string name;
public:
Animal(const string &s="NoName") : name(s) { } // Default value = "NoName"
void speak() { cout << " ANIMAL " << name << " : Hello, I'm " << name << endl; }
void move() { cout << " ANIMAL " << name << " : I'm moving" << endl; }
void eat() { cout << " ANIMAL " << name << " : I'm hungry!" << endl; }
};
int main() {
Animal a;
Animal * aPtr;
Animal & aRef = a;
cout << "Animal object:" << endl;
a.speak();
a.move();
a.eat();
cout << endl << "Animal pointer:" << endl;
aPtr = new Animal("Dale");
aPtr->speak();
aPtr->move();
aPtr->eat();
cout << endl << "Animal reference" << endl;
aRef.speak();
aRef.move();
aRef.eat();
return 0;
}