#include<iostream> using namespace std; class vehicle {public:vehicle(int wh, int w) //函數(shù)名稱是否一定要和類對象的名稱一致?{wheels = wh;weight = w; }///基類的構造函數(shù)是否需要加虛構函數(shù)?protected: int wheels ,weight; }; class car:private vehicle{public:car (int wh, int w,int p) : vehicle(wh, w) ///繼承基類的函數(shù)vehicle(int wh, int w)是錯誤的{passengers = p; }void show(){cout<<"wheels: "<<wheels<<endl;cout<<"weight: "<<weight<<endl;cout<<"passengers:"<<passengers<<endl;}~car() {}private:int passengers; }; class truck :private vehicle{public:truck(int wh, int w,int p,int pa):vehicle(wh, w){passengers=p;payload=pa;}void show(){cout<<"wheels: "<<wheels<<endl;cout<<"weight: "<<weight<<endl;cout<<"passengers:"<<passengers<<endl;cout<<"payload:"<<payload<<endl;}~truck(){}private :int passengers ,payload; }; int main() {car CAR(1,2,3);CAR.show();//CAR.Parameter1(1,2,3);truck Truck(1,2,3,4);Truck.show();//Truck.Parameter2(1,2,3,4);return 0; }

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