有以下程序:includeusing namespace std;Class A{public:A(){tout{("A"}};classB{pub 有以下程序: #include<iostream> using namespace std; Class A{ public: A(){tout{("A"} }; classB{public:B(){cout<<"B";>> classC:public A{ B b; public: C(){cout<<"C";} }; int main(){C obj;return 0;} 执行后的输出结果是( )。A.CBAB.BACC.ACBD.ABC

有以下程序:includeusing namespace std;Class A{public:A(){tout{("A"}};classB{pub

有以下程序: #include<iostream> using namespace std; Class A{ public: A(){tout{("A"} }; classB{public:B(){cout<<"B";>> classC:public A{ B b; public: C(){cout<<"C";} }; int main(){C obj;return 0;} 执行后的输出结果是( )。

A.CBA

B.BAC

C.ACB

D.ABC


相关考题:

有以下程序:includeusing namespace std;class A{private:int a;public:A(int i){a=i 有以下程序: #include<iostream> using namespace std; class A {private: int a; public: A(int i) {a=i;} void disp() {cout<<a<<“,”;}}; class B {private: int b; public: B(int j) {b=j;} void disp() {cout<<b<<“,”;A.10,10,10B.10,12,14C.8,10,12D.8,12,10

下面程序输出的结果是【 】。 include using namespacc std; class A { public:void sho 下面程序输出的结果是【 】。include <iostream>using namespacc std;class A {public:void show(){tout<<"A!";}};class B: public A{public:virtual void show(){cout<<"B!";}};class C: public B{public:virtual void show(){cout<<"C!";}};void show_info(A *i){i->show();}void main(){A ia;B ib;C ic;show_info(ia); show_info(ib);show_info(ic);}

在下面程序中,括号里应填()。 include using namespace std; class A { public: void 在下面程序中,括号里应填( )。 #include <iostream> using namespace std; class A { public: void fun( ) { cout << "Hello" << endl; } }; class B:: public A { void fun( ) { ( ) //调用基类的函数fun( ) tout << "HI" << endl; } };A.fun()B.A. fun()C.A::fun()D.A-fun(

有以下程序: include class A { intx; public: A(int a) { x=a;} friend class B; 有以下程序:include<iostream.h>class A{int x;public:A(int a){x=a;}friend class B;}class B{public:void print(A a){a. x--;cout<<a.x<<end1;}};void main(){A a(10);B b;b.print(a) ;}程序执行后的输出结果是【 】。

有下列程序:includeusing namespace std;class ONE{ public:virtual void f(){COUt 有下列程序:include<iostream>using namespace std;class ONE{public:virtual void f(){COUt<<"1";}};c1assTWO:public ONE{public:TWO(){cout<<"2";}};class THREE:public TWO{pub

请将如下程序补充完整,使得输出结果为:bbaa。 include using naluespace std; class 请将如下程序补充完整,使得输出结果为:bbaa。include<iostream>using naluespace std;class A{public:______{eout<<"aa";}};class B:public A{public:~B( ){eont<<"bb";}};int ulain( ){B*P=new B;delete P;return 0;}

有以下程序:include using namespace std;class A{public: virtual void show() {cout 有以下程序:include <iostream>using namespace std;class A{public:virtual void show(){cout<<"A";}};class B : public A{public:void show(){cout << "B";}};void display( A * obj ){obj-> show();}int main ( ){A demol;B demo2;display( demol );display( demo2 );return 0;}执行后的输出结果为【 】。

下面程序输出的结果为 #include"iostream.h” class A { public: A(){cout<<"CLASSA"<<endl;} ~A() {} }; class B:public A { public: B(){cout<<"CLASS B"<<endl;} ~B(){} }; void main() { A*p; p=new B;A.CLASS A CLASS B CLASS B CLASS BB.CLASS A CLASS B CLASS A CLASS BC.CLASS A CLASS B CLASS BD.CLASS A CLASS B

以下程序的执行结果为______。include class A {public:A(){cout 以下程序的执行结果为______。include<iostream.h>class A{public:A(){cout<<“a”;}~A(){cout<<“b”;}};class B:public A{public:B(){cout<<“c”;)~B(){cout<<“d”;}};void main(){B b;}