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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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