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有如下类声明: class Base{ protected: int amount; public: Base(int n=0):amount(n){} int getAmountconst{retum amount;} }; class Derived:public Base{ protected: int value; public: Derived(int m,int n):value(m),Base(n){} int getDataconst{return value+amount;} }: 已知x是一个Derived对象,则下列表达式中正确的是( )。
A.x.value+X.getAmount
B.x.getData一x.getAmount
C.x.getData一x.amount
D.x.value+X.amount
参考答案
更多 “ 有如下类声明: class Base{ protected: int amount; public: Base(int n=0):amount(n){} int getAmountconst{retum amount;} }; class Derived:public Base{ protected: int value; public: Derived(int m,int n):value(m),Base(n){} int getDataconst{return value+amount;} }: 已知x是一个Derived对象,则下列表达式中正确的是( )。A.x.value+X.getAmountB.x.getData一x.getAmountC.x.getData一x.amountD.x.value+X.amount ” 相关考题
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下面程序的输出结果是【】。include using namespace std; class base { protected: int
下面程序的输出结果是【 】。include <iostream>using namespace std;class base{protected:int a;public:base(){cout<<"0":}};class basel: virtual public base{public:base1(){ cout<<"1";}};class base2 : virtual public base{public:base2(){cout<<"2";}};class derived : public base1,public base2{public:derived () {cout<<"3"; }}int main (){derived obj;cout<<end1;return 0;}
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有如下类的声明: class Base{ protected: int amount; public: Base(int n=0):amount(n){} int getAmount()const{return amount;} }; class Derived:public Base{ protected: int value public: Derived(int m,int n):value(m),Base(n){} int getData()const{return value+amount;} };已知x是一个Derived对象,则下列表达式中正确的是A.x. value+x. getAmount()B.x. getData()-x. getAmount()C.x. getData()-x. amountD.x. value+x. amount
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有如下程序:include using namespace std;class Base{private:charc;public:Base(cha
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