有如下程序:#include <iostream>using namespace std;class Base { public: void fun() {cout<<"Base:: fun"<<end1; }};class Derived: public Base ( public: void fun() { ____________________________ cout<<"Derived:: fun"<<end1; }};int main() { Derived d; D. fun(); return O;}已知其执行后的输出结果为:Base:: funDerived:: fun则程序中下划线处应填入的语句是( )。
A.Base. fun ();
B.Base:: fun ();
C.Base->fun();
D.fun()
第1题:
有如下程序: #include <iostream> using namespace std; class Base { public: void fun() { cout<<"Base::fun"<<endl; } }; class Derived : public Base { public: void fun() { ______ cout<<"Derived::fun"<<endl; } }; int main() { Derived d; d.fun(); return 0; } 已知其执行后的输出结果为: Base::fun Derived::fun 则程序中下划线处应填入的语句是( )。
A.Base.fun();
B.Base::fun();
C.Base->fun();
D.fun();
第2题:
执行如下程序将输出( ): #include<iostream> using namespace std; class Base { public: Base(){cout<<"BB";fun();} void fun (){tout<<"Brim";} }; class Derived:public Base { public: Derived(){cout<<"DD";} void fun (){cout<<"Dfun";} }; int main(){Derived d;return 0;}
A.DD
B.BBDfunDDDfun
C.BBBfunDD
D.DDBBBfun
第3题:
有如下程序: #include<iostream> using namespace std; class Base { public: void fun() { cout<<"Base::fun"<<endl; } }; class Derived: public Base { public: void tim() } ____________ cout<<"Derived:: fun"<<endl; } }; int main() { Derived d; d.fun(); return O; } 已知其执行后的输出结果为: Base::fun Derived::fun 则程序中下划线处应填入的语句是
A.Base.fun();
B.Base::fun();
C.Base->fun();
D.fun();
第4题:
有如下程序: #include<iostream> using namespace std; class BASE{ public: ~BASE( ){cout<<"BASE";} }; class DERIVED:public BASE{ public: ~DERIVED( ){cout<<"DERIVED";} }; int main( ){DERIVED x;return 0;} 程序的输出结果是
A.BASE
B.DERIVED
C.BASEDERIVED
D.DERIVEDBASE
第5题:
有如下程序: #include <iostream> using namespace std; class BASE{ public: ~BASE() {cout<<"BASE"; } }; class DERIVED: public BASE { public: ~DERIVED() {cout<;"DERIVED"; } }; int main(){DERIVED x; return 0;} 执行后的输出结果是______ 。
A.BASE
B.DERIVED
C.BASEDERIVED
D.DERIVEDBASE