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有如下程序:includeusing namespace std;class A {public:A(){cout<<"A";}};classB{p
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.CBA
B.BAC
C.ACB
D.ABC
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更多 “ 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 ” 相关考题
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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
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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______。
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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";} ~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
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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
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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
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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【 】。
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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
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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
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有如下程序:includeusing namespace std;Class A{public:A(){cout
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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
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有如下程序: include using namespace std; class BASE { public
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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
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有如下程序:includeusing namespace std;class BASE{public:~BASE( ){cout
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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______。
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有如下程序:includeincludeusing namespace std;class TestClass{public;T
有如下程序: #include<iostream> #include<iomanip> using namespace std; class TestClass{ public; TestClass (){cout<<'A';} TestClass(char C){cout<<c;) ~TestClass (){cout<<'B';} }; int main(){ TestClass p1,*p2; p2=new TestClass('X'); delete p2; return 0; } 执行这个程序的结果是( )。A.ABXB.ABXBC.AXBBD.AXB
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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
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有以下程序:includeusing namespace std;Class A{public:A(){tout{("A"}};classB{pub
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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【 】。
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有如下程序include include using namespace std;class MyClass {public:M
有如下程序#include <iostream>#include <iomanip>using namespace std; class MyClass {public:MyClass(){ cout<<'A'; }MyClass(char c){ cout<<c; }~MyClass(){ cout<<'B'; }};int main() {MyClass p1,*p2;p2=new MyClass('X');delete p2;return 0;}执行这个程序屏幕上将显示输出( )。A.ABXB.ABXBC.AXBD.AXBB
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有如下程序:include using namespace std;class A {public: A() {cout
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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
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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
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