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enum Size{Mini, Medium, Full};
class CVehicle{
public:
CVehicle(Size s = Medium, int n = 0) : size(s), nSpotsNeeded(n) {}
protected:
Size size;
int nSpotsNeeded;
};
class CBus : public CVehicle{
public:
CBus() : CVehicle(Full, 5) {}
};
#include <iostream>
using namespace std;
enum Size{Mini, Medium, Full};
class CVehicle{
public:
CVehicle(Size s = Medium, int n = 0) : size(s), nSpotsNeeded(n) {}
virtual~CVehicle()=0;//完全可以把析构函数设置为纯虚函数,编译能够通过的。
protected:
Size size;
int nSpotsNeeded;
};
class CBus : public CVehicle{
public:
CBus() : CVehicle(Full, 5) {}
};
void main()
{
}