网友您好, 请在下方输入框内输入要搜索的题目:

题目内容 (请给出正确答案)
有以下程序includeusing namespace std;class Base{private:char c;public:Base(char

有以下程序 #include<iostream> using namespace std; class Base { private: char c; public: Base(char n):c(n){} ~Base() { cout<<c; } }; class Derived:public Base { private: char c; public: Derived(char n):Base(n+1),c(n){} ~Derived() { cout<<c; } }; int main() { Derived obj('x'); return 0; } 执行后的输出结果是

A.xy

B.yx

C.x

D.y


参考答案

更多 “ 有以下程序includeusing namespace std;class Base{private:char c;public:Base(char 有以下程序 #include<iostream> using namespace std; class Base { private: char c; public: Base(char n):c(n){} ~Base() { cout<<c; } }; class Derived:public Base { private: char c; public: Derived(char n):Base(n+1),c(n){} ~Derived() { cout<<c; } }; int main() { Derived obj('x'); return 0; } 执行后的输出结果是A.xyB.yxC.xD.y ” 相关考题
考题 以下程序的执行结果是【】。 include using namespace std; class base { public: virmal 以下程序的执行结果是【 】。include<iostream>using namespace std;class base{public:virmal void who(){cout<<"Base Class"<<endl;)};class Derivedl:public Base{public:virtual void who(){cout<<"Derivedl Class"<<endl;}};class derived2:public Base{public:virtual void who(){cout<<"Derived2 Class"<<endl;)};int main(int argc,char*argv[]){base obj1,*P;deliVedl obj2;derived2 obj3;p=obj1; p->who();p=obj2; p->who();p=obj3; p->who();return 0;}

考题 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

考题 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

考题 有如下程序:includeusing namespace std;class Base{private:char c;piblic:Base(cha 有如下程序: #include<iostream> using namespace std; class Base { private: char c; piblic: Base(char n):c(n){} ~Base() { cout<<C; } }; class DeriVed:public Base { private: char c; public: Derived(char n):Base(n+1),c(n){} ~Derived() { cout<<c; } }; int main() { Derived obj('x'); return 0; } 执行上面的程序将输出A.xyB.yxC.xD.y

考题 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

考题 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

考题 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

考题 有如下程序:includeusing namespace std;class Base{protected:Base(){cout 有如下程序: #include<iostream> using namespace std; class Base{ protected: Base(){cout<<'Base';} Base(char c){cout<<c;} }; class Derived:public Base{ public: Derived(char c){cout<<c;} }; int main(){ Derived d('Derived'); return 0; } 执行这个程序屏幕上将显示输出( )。A.DerivedB.DerivedBaseC.BaseDerivedD.DerivedDerived

考题 有如下程序:includeusing namespace std;class Base{public:Base(int x=0){cout 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.01D.001

考题 有以下程序includeincludeusing namespace std;class base{private:charbas 有以下程序 #include<iostream> #include<string> using namespace std; class base { private: charbaseName[10]; public: base() { strcpy(baseName,"Base"); } virtual char*myName() return baseName; } char *className() { return baseName; } }; class Derived: public base { private: char derivedName[10]; public: Derived() { strcpy(derivedName,"Derived"); } char *myName() { return derivedName; } char *className() { return derivedName; } }; void showPtr(base p) { cout<<p.myName0<<" "<<p.className(); } int main() { base bb; Derived dd; showPtr(dD) ; retum 0; } 动行后的输出结果为A.Derived BaseB.Base BaseC.Derived DerivedD.Base Derived

考题 有以下程序:include using namespace std; class Base { public: Base() { K=0; } int 有以下程序:include<iostream>using namespace std;class Base{public:Base(){K=0;}int x;};class Derivedl:virtual public Base{public:Derivedl(){x=10;}};class Derived2:virtua1 public Base

考题 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

考题 有以下程序include include using namespace std;class base{private:char 有以下程序 #include <iostream> #include <string> using namespace std; class base { private: char baseName[10]; public: base () { strcpy(baseName,"Base"); } virtual char *myName() { return baseName; } char *className() { return baseName; } }; class Derived : public base { private: char derivedName[10]; public: Derived() { strcpy(derivedName,"Derived"); } char *myName() { return derivedName; } char *className() { return derivedName; } }; void showPtr(base p) { cout<<p.myName () <<" "<<p.className (); } int main () { base bb; Derived dd; showPtr(dd); return 0; } 运行后的输出结果为A.Derived BaseB.Base BaseC.Derived DerivedD.Base Derived

考题 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

考题 下面程序的打印结果是【】。 include using namespace std; class Base { public:Base(i 下面程序的打印结果是【 】。include <iostream>using namespace std;class Base{public:Base(int x){a=x;}void show(){cout<<a;}private:int a;};class Derived : public Base{public:Derived(int i) :Base(i+1) ,b(i) { }void show(){cout<<b;}private:int b;};int main ( ){Base b(5) , *pb;Derived d(1);pb=d;pb->show();return 0;}

考题 有如下程序:includeincludeusing namespace std;class BASE{char c;public 有如下程序: #include<iostream>#include<iosream> using namespace std; class BASE{ char c; public; BASE(char n):c(n){} virtual ~ BASE(){cout<<c;} }; class DERIVED; public BASE{ char c; public: DERIVED (char n): BASE (n+1)A.XYB.YXC.XD.Y

考题 有以下程序:include include using namespace std;class base{private: cha 有以下程序: #include <iostream> #include <string> using namespace std; class base { private: char baseName[10]; public: base ( ) { strcpy (baseName, "Base"); } virtual char *myName() {A.DerivedBaseB.BaseBaseC.DerivedDerivedD.BaseDerived

考题 有以下程序:includeusing namespace std;class BASE{private: char c;public: BASE(c 有以下程序: #include <iostream> using namespace std; class BASE { private: char c; public: BASE(char n):c(n);{} virtual~BASE() { cout<<c; } }; class DERIVED:public BASE { char c; pA.XYB.YXC.XD.Y

考题 有以下程序include using namespace std:class Base{private:char c;public:Base(cha 有以下程序#include <iostream>using namespace std:class Base{private: char c;public: Base(char n) :c(n) {} ~Base ( ) { cout<<c; }}; class Derived : public Base{private: char c;public: Derived(char n):Base (n+1),c(n) {} ~Derived() { cout<<c; }};int main(){ Derived obj('x'); return 0;} 执行后的输出结果是A.xyB.yxC.xD.y

考题 有如下程序:include using namespace std;class Base{private:charc;public:Base(cha 有如下程序:#include <iostream>using namespace std;class Base{private: char c;public: Base(char n) :c(n){} ~Base() { cout<<c; } };class Derived: public Base{private: char c; public: Derived(char n):Base(n+1),c(n) {} ~Derived() { cout<<c; }};int main (){ Derived obj ('x'); return 0;}执行上面的程序净输出A.xyB.yxC.xD.y

考题 有下列程序:includeusing namespace std;c1ass TestClass{private;char c;public:Tes 有下列程序: #include<iostream> using namespace std; c1ass TestClass { private; char c; public: TestClass(char n):c(n){} ~TeStClass() { cout<<c } }; class TestClass1:public TestClass {A.xyB.yxC.xD.y

考题 有下列程序: include using namespace std; class Base { public: Base(){cout 有下列程序: #include<iosteram.h> using namespace std; class Base { public: Base(){cout<<"BB"; f(); } void f(){cout<<"Bf";} }; class Derived:public Base { public: Derived(){cout<<"DA.BBBfDDB.BBDfDDDfC.DDD.DDBBBf

考题 有如下程序includeusing namespace std;class Base{protected:Base(){cout 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 dl('B'); return 0; } 执行这个程序屏幕上将显示输出( )。A.BB.BAC.ABD.BB

考题 有如下程序: #include 〈iostream〉 using namespace std; class Base { private: char c; public: Base(char n) :c(n) {} ~Base ( ) { cout〈〈c; } }; class Derived : public Base { private: char c; public: Derived(char n) :Base(n+1),c(n) { } ~Derived () { cout〈〈c; } }; int main ( ) { Derived obj ('x'); return 0; } 执行上面的程序将输出( )。A.xyB.yxC.xD.y

考题 有如下程序:include using namespace std;class Base{private:char c;public:Base(ch 有如下程序:#include <iostream>using namespace std;class Base{private: char c;public: Base(char n):c(n){} ~Base() { cout<<c; }};class Derived: public Base{private: char c;public: Derived(char n):Base(n+1),c(n){} ~Derived() { cout<<c; }};int main(){ Derived obj('x'); return 0; }执行上面的程序将输出( )。A.xyB.yxC.xD.y

考题 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;} 执行后的输出结果是( )。A.BASEB.DERIVEDC.BASEDERIVEDD.DERIVEDBASE

考题 在下面横线上填上适当的语句,完成程序。include using namespace std; class Base { in 在下面横线上填上适当的语句,完成程序。include<iostream>using namespace std;class Base{int x;public:Base(int i){x=i;}~Base(){});class Derived:public Base{public:______//完成类Derive构造函数的定义};iht main(){Derived obj