class Shape{public:virtual void display(){cout<<"shape"<
输出结果:
shape
circle
rect
shape
shape
shape
不太懂指针那块
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class Shape{public:virtual void display(){cout<<"shape"<
输出结果:
shape
circle
rect
shape
shape
shape
不太懂指针那块
转载于:https://www.cnblogs.com/flashweb/archive/2012/12/25/2832001.html