class Point
{
public:
	Point()
	{
		cout<<"呼叫建構函式"<<endl;
	}
	~Point()
	{
		cout<<"呼叫解構函式"<<endl;
	}
};

int main()
{
	Point* p = new Point;//在堆區開闢一塊空間存放Point物件，用P指標它
 

	delete p;
	cout << p << endl;
	Point p1;
	p = &p1;//原來的P指標仍然可以指向一個Point物件
	return 0;
}

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