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【C】多继承

作者:程序猿style / 发布于2013/6/20/ 950


	#include <iostream>
	using std::cout;
	using std::cin;
	using std::endl;

	class Horse {
	public:
	Horse() {
	 cout << "Horse constructor... ";
	}
	virtual ~Horse() {
	 cout << "Horse destructor... ";
	}
	virtual void Whinny() const {
	 cout << "Whinny!... ";
	}
	private:
	int itsAge;
	};

	class Bird {
	public:
	Bird() {
	 cout << "Bird constructor... ";
	}
	virtual ~Bird() {
	 cout << "Bird destructor... ";
	}
	virtual void Chirp() const {
	 cout << "Chirp... ";
	}
	virtual void Fly() const {
	 cout << "I can fly! I can fly! I can fly! ";
	}
	private:
	int itsWeight;
	};

	class Pegasus: public Horse, public Bird {
	public:
	void Chirp() const {
	 Whinny();
	}
	Pegasus() {
	 cout << "Pegasus constructor... ";
	}
	~Pegasus() {
	 cout << "Pegasus destructor... ";
	}
	};

	const int MagicNumber = 2;
	int main() {
	Horse* Ranch[MagicNumber];
	Bird* Aviary[MagicNumber];
	Horse * pHorse;
	Bird * pBird;
	int choice, i;
	for (i = 0; i < MagicNumber; i++) {
	 cout << "\n(1)Horse (2)Pegasus: ";
	 cin >> choice;
	 if (choice == 2)
	 pHorse = new Pegasus;
	 else
	 pHorse = new Horse;
	 Ranch[i] = pHorse;
	}
	for (i = 0; i < MagicNumber; i++) {
	 cout << "\n(1)Bird (2)Pegasus: ";
	 cin >> choice;
	 if (choice == 2)
	 pBird = new Pegasus;
	 else
	 pBird = new Bird;
	 Aviary[i] = pBird;
	}

	cout << endl;
	for (i = 0; i < MagicNumber; i++) {
	 cout << "\nRanch[" << i << "]: ";
	 Ranch[i]->Whinny();
	 delete Ranch[i];
	}

	for (i = 0; i < MagicNumber; i++) {
	 cout << "\nAviary[" << i << "]: ";
	 Aviary[i]->Chirp();
	 Aviary[i]->Fly();
	 delete Aviary[i];
	}
	return 0;
	}

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