应在下列程序画线处填入的正确语句是 ( )。 #include <iostream> using namespace std; clas Base { public: void fun() { cout<<"Base::fun"<<end1; } }; class Derived : public Base { void fun() { ________________//显示调用基类的函数 fun() cout<<"Derived::fun"<<end1; } };
A.fun();
B.Base.fun();
C.Base::fun();
D.Base->fun();
[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() { ______________ //
[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]下列程序中划线处正确的语句是()。 include using namespace std;class Base{public:v下列程序中划线处正确的语句是( )。 # include <iostream> using namespace std; class Base { public: void fun(){cout<<"Base:: fun" <<endl;} }; class Derived:public Base { void fun() { ______ ∥显式调用基类的函数f
[试题]( 12 )有如下程序:#include <iostream>using namespace stdclass Animal{public:virtual char* getType () const { return "Animal" ; }virtual char* getVoice () const { return "Voice" ; }};C.lass Dog : public Animal {public:char* getType ( ) const {retur
[单选题]( 27 )有如下程序:#include <iostream>using namespace std;class Toy{public:Toy(char* _n) { strcpy (name,_n); count++;}~Toy(){ count--; }char* GetName(){ return name; }static int getCount(){ return count; }private:char name[10];static int count;};int T
[试题]( 13 )有如下程序:#include <iostream>using namespace std;class GrandChild{public:G.randChild(){ strcpy (name,"Unknown"); }const char * getName()const { return name; }virtual char * getAddress()const=0;private:char name[20];};class GrandSon : public
[单选题]( 35 )有如下程序:#include <iostream>using namespace std;C.lass B{public:B.(int xx):x(xx) {++cout; x+=10;}virtual void show() const{cout<<count<< ' _ ' <<x<<endl;}protected:static int count;private:int x;};class D:public B{p
[单选题]下列程序的输出结果是 #include" iostream" using namespace std; int Max(int a,int b) { if(a > b) else return a; else retum b; } void main( ) { int m,n; m=10,n=5; int max=Max(m,n); cout < < max < < endA.10B.程序有误C.1D.0
[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-:
[主观题]在下面程序的下画线处,填入适当的语句使程序能正确执行并输出异常栈信息。public class ThrowableException {public static void main(String args[]) {try {throw new Throwable("这里是本人定义的异常");} catch(Throwable e) {System.out.println("Caught Throwable");System.out.println("e.getMessage():"