A.fun();
B.Base.fun();
C.Base∷fun();
D.Base- >fun();
[单选题]下列程序中画线处应填入的语句是 class Base { public: void fun( ){cout<<"Base of fun"<<end1;} }; class Derived:public Base { void fun( ) { ______//显示基类的成员函数fun cout<A.fun( );B.Base.fun( );C.Base: :fun( );D.Base->fun( );
[单选题]下列程序中下画线处应填入的语句是class Base{public:void fun( ) {cout < < "Baseoffun" < < endl;}};class Derived:public Base{void fun( ){______//显示基类的成员函数funcout < < "Derived of fun" < < endl;}};A.fun( ) ;B.Base. fun( ) ;C.Base: :fun( ) ;D.Base->fun( ) ;
[单选题]下列程序中画线处应填入的语句是class Base{public:void fun(){cout <<”Base of fun”<};class Derived:public Base{void fun(){//显示基类的成员函数funcout <<”Derived of fun”<};A.fun();B.Base. fun();C.Base::fun();D.Base- >fun-:
[单选题]在下列横线处应添加的语句是( )。 class Base{public:void fun(){cout<<"Base::fun"<<end1;}}; class: Derived: public Base { public: void fun() { ______//显示调用基类的fun函数 cout<<"Derived::fun"<<end1; } };A.Derived::funB.Base::fun();C.Pubic::funD.fun();
[单选题]下列程序中横线处应填入的语句是( )。 Class Base { public: roid fun(){cout<<“Base of fun”<<endl;) }; class Derived:public Base { void fun() { //显示基类的成员函数fun cout<<“Derived Of fun”<<endl; } };A.fun();B.Base.fun();C.Base::fun();D.Base->fun();
[单选题]在下面的定义语句中,画线处应填入的内容是 class Fred{ public: void print( ){cout<<data<<endl;} void setData(double D) {data=d;} static int count; private: double data; }; ______count=0;//静态数据成员的定义A.intB.static intC.int Fred::D.static int Fred::
[单选题]在下面程序的下画线处应填入的选项是 public class Test______{ public static void main(String args[]) { Test t=new Test(); Thread tt=new Thread(t); tt.start(); } public void run() { for(int i=0;i<5;i++) System.out.println("i="+i); } }A.implements RunnableB.extends Thr
[单选题]为使程序的输出结果为: Base:: fun 那么应在下列程序画线处填入的正确语句是( )。 #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 m
[单选题]在下列程序画线处填入的正确语句是()。includeusing namespace std;classBase{public:在下列程序画线处填入的正确语句是( )。 #include <iostream> using namespace std; class Base { public: void fun() { cout<<"Base::fun",<<end1; } }; class Derived:public Base { void fun() { ______________ //
[主观题]C. 程序写运行结果。class A{public:void f1(){printf("A::f1/r/n");}virtual void f2(){printf("A::f2/r/n");}void callfunc(){printf("A::callfunc/r/n");f1();f2();}};class B :public A{public:void f1(){printf("B::f1/r/n");}void f2(){printf("B::f2/r/n");}vo