有如下程序:include using namespace std;class A{public:A(){cout 有如下程序: #include <iostream> using namespace std; class A { public: A(){cout<<"A";} }; class B {public:B(){cout<<"B";} }; class C: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

有如下程序:include using namespace std;class A{public:A(){cout<<"A";}};class B

有如下程序: #include <iostream> using namespace std; class A { public: A(){cout<<"A";} }; class B {public:B(){cout<<"B";} }; class C: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


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有如下程序 include using namespace std; class Base { protected: 有如下程序 #include <iostream> using namespace std; class Base { protected: Base( ){cout<<'A'; } Base(char c) { cout<<c; } }; class Derived: public Base { public: Derived(char c){ cout<<c; } }; int main( ){ Derived d1 ('B'); return 0; } 执行这个程序屏幕上将显示输出A.BB.BAC.ABD.BB

有如下程序: include using namespace std; class A { public: virtual void f(){cout 有如下程序:include<iostream>using namespace std;class A{public:virtual void f(){cout<<"1";}};class B:public A{public:B (){cout<<"2";}};class C:public B{public:virtual void f(){B::f();cout<<"3";}};int main(){A aa,*p;B bb;C cc;p=cc;p->f();return 0;}执行上面程序的输出是______。

有如下程序: include using namespace std; class Base { public: 有如下程序: #include <iostream> using namespace std; class Base { public: Base(int x=0) { cout<<x; } } class Derived: public Base{ public: Derived(int x=0) { cout<<x; } private: Base val; }; int main() { Derived d(1); return 0; }程序的输出结果是A.0B.1C.1D.1

有如下程序:includeusing namespace std;Class Base{public:Base(){cout 有如下程序: #include<iostream.h> using namespace std; Class Base { public: Base(){cout<<“BB”;f();} void{(){cout<<“BF”;} }; class Derived:public Base { public: Derived(){cout<<“DD”;} void f(){cout<<“Df”;) }; int mainA.BBBfDDB.BBDfDDDfC.DDD.DDBBBf

若有如下程序:includeusing namespace std;class TestClass{public:void who(){cout 若有如下程序: #include<iostream> using namespace std; class TestClass { public: void who(){cout<<“TestClass”<<endl;} }; class TestClassl:public TestClass { public: void who(){cout<<“TestClassl”<<endl; int main() { TestCA.TestClasslB.TestClassC.0D.无输出

有如下程序: include using namespace std; class ONE { public: virtual void f() { 有如下程序:include <iostream>using namespace std;class ONE{public:virtual void f() { cout << "1"; }};class TWO: public ONE{public:TWO() { cout << "2"; }};class THREE: public TWO{public:virtual void f() {TWO::f(); cout << "3"; }};int main(){ONE aa, *p;TWO bb;THREE cc;p=cc;P->f();return 0;}执行上面程序的输出是【 】。

有下列程序:include using namespace std; class TestClass1 { public: TestClass1(){ 有下列程序:include<iostream>using namespace std;class TestClass1{public:TestClass1(){cout<<"A";}};class TestClass2<public:TestClass2(){cout<<"B";}};class TestClass3:public TestClass1{TestClass2 b;

以下程序的执行结果为______。include using namespace std; class base { public: vir 以下程序的执行结果为______。include<iostream>using namespace std;class base{public:virtual void who(){cout<<"base class"<<endl;}};class derivel:public base{public:void who(){cout<<"d

有如下程序:include using namespace std;class Base{public:Base(){cout 有如下程序:#include <iostream>using namespace std;class Base{ public: Base(){cout<<"BB"; f(); } Void f(){cout<<"Bf"; }};class Derived: public Base{ public: Derived() { cout<<"DD"; } void f() { cout<<"Df"; }};int main() { Derived d; return 0; }执行上面的程序将输出( )。A.BBBfDDB.BBDfDDDfC.DDD.DDBBBf

有如下程序: include using namespace std; class A { public: 有如下程序: #include<iostream> using namespace std; class A { public: A(){cout<<"A";} }; class B<public:B(){cout<<"B";)); class C:public A { B b; public: C(){cout<<"C";} }; int main(){Cobj;retum 0;} 执行后的输出结果是A.CBAB.BACC.ACBD.ABC

有如下程序: include using namespace std; class BASE { public 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(){DERIVEDx;retum 0;} 执行后的输出结果是A.BASEB.DERIVEDC.BASEDERIVEDD.DERIVEDBASE

请将如下程序补充完整,使得输出结果为:bbaa include using namespace std; class A { 请将如下程序补充完整,使得输出结果为:bbaainclude <iostream>using namespace std;class A {public:【 】{cout << "aa"; }};class B: public A{public:~B(){ cout << "bb"; }};int main () {B *p= new B;delete p;return 0;}

有如下程序:include using namespace std;class BASE{public:~BASE(){cout 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.BASEB.DERIVEDC.BASEDERIVEDD.DERIVEDBASE

如下程序的输出结果是includeusing namespace std;class A{public:A( ){cout 如下程序的输出结果是 #include<iostream> using namespace std; class A{ public: A( ){cout<<"A";} }; class B{public:B( ){cout<<"B";}}; class C:public A{ B b; public: C( ){cout<<"C";} }; int main( ){C obj;return 0;}A.CBAB.BACC.ACBD.ABC

有如下程序:includeusing namespace std;class BASE{public:~BASE( ){cout 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.BASEB.DERIVEDC.BASEDERIVEDD.DERIVEDBASE

有如下程序: include using namespace std; class PARENT { public: PARENT() { cout 有如下程序:include <iostream>using namespace std;class PARENT{public:PARENT() { cout <<"PARENT"; }};class SON : public PARENT{public:SON() {cout << "SON"; }};int main(){SON son;PARENT *p;p = son;return 0;}执行上面程序的输出是______。

有如下程序: include using namespace std; class A { public: A(){cout 有如下程序: #include<iostream> using namespace std; class A { public: A(){cout<<"A";} ~A(){cout<<"~A";) }; class B:public A { A*p; public: B(){cout<<"B";p=new A;} ~B(){cout<<"~B";delete p;} }; int main() { B obj; return 0; } 执行这个程序的输出结果是( )。A.BAA~A~B~AB.ABA~B~A~AC.BAA~B~A~AD.ABA~A~B~A

有如下程序:include using namespace std;Class x{protected: int a;public: x() {a= 有如下程序: #include <iostream> using namespace std; Class x { protected: int a; public: x() { a=1; } }; class x1 : virtual public x { public: x1() { a+=1; cout<<A.1B.123C.242D.244

有如下程序:include using namespace std;class AA{public: virtual void f() {cout 有如下程序: #include <iostream> using namespace std; class AA { public: virtual void f() { cout<< "AA"; } }; class BB : public AA { public: BB() { cout << "BB"; } }; claA.AAB.AABBCCC.BBAABBCCD.BBBBAACC

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

下面程序的运行结果为( )。 include using namespace std; class A{ pu 下面程序的运行结果为( )。 #include <iostream> using namespace std; class A{ public: A(){cout<<" ";} ~A(){cout<<" ";} } class B:public A{ public: B(){cout<<" ";} ~B(){cout<<" ";} } void main(){ B b; }A.1234B.1324C.1342D.3142

有如下程序: include using namespaee std; class A{ public: A( ){cout 有如下程序:include<iostream>using namespaee std;class A{public:A( ){cout<<"A";}~A( ){cout<<"A";}};class B{A a;public:B( ){cout<<"B";}~B( )t cout<<"B";}};int main( ){B b;return 0;}程序的输出结果是______。

有如下程序: inClude using namespace std; class AA { public: viltual void f() { c 有如下程序:inClude<iostream>using namespace std;class AA{public:viltual void f(){cout<<"AA";}};class BB:public AA{public:BB(){cout<<"BB";}};class CC:public BB{public:virtual void f(){BB::f();cout<<"CC";}};int main(){AA aa,*p;BB bb;CC cc;p=cc;p->f();return 0;}运行后的输出结果【 】。

有如下程序:include using namespace std;class A {public: A() {cout 有如下程序: #include <iostream> using namespace std; class A { public: A() {cout<<"A";} }; class B {public:B() {cout<<"B";}}; class C: public A { Bb; public: C() {cout<<"C";} }; int main() {C obj;return 0;}执行后的输出结果是 ______。A.CBAB.BACC.ACBD.ABC

下面程序的输出结果是()。include using namespace std;class A {public:A( ) {cout 下面程序的输出结果是( )。 #include <iostream> using namespace std; class A { public: A( ) {cout<<"A";} } class B { public: B() {coat<<"B" ;} } class C: public A { public: B b; C() {cout<<"C";} } void mian(){ C c; }A.CBAB.ABCC.ACBD.BCA

有如下程序:includeusing namespace std;class A{public: A(){cout 有如下程序: #include<iostream> using namespace std; class A{ public: A(){cout<<"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

请在如下程序中的空格处填写正确的语句: include using namespace std; class Base { 请在如下程序中的空格处填写正确的语句:include <iostream>using namespace std;class Base {public:void fun() {cout<<"Base fun"<<endl; }};class Derived: public Base {public:void fun() {【 】; //调用基类的函数fun()cout<<"Derived fun "<<endl;}};