有如下程序:include using 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(); } voidf(){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 Base{public:Base(){ cout<<"BB";
有如下程序： #include ＜iostream.h＞ using namespace std; class Base { public: Base(){ cout＜＜"BB"; f(); } voidf(){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．BBBfDD
B．BBDfDDDf
C．DD
D．DDBBBf
相关考题：
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
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
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
如下程序的输出是includeusing namespace std;class Base{public:Base( ){cout 如下程序的输出是 #include＜iostream＞ using namespace std； class Base{ public： Base( ){cout＜＜"BB"；f( )；} void f( ){cout＜＜"Bf"；} }； class Derived：public Base{ public： Derived( ){eout＜＜"DD"；} void f( ){cout＜＜"Df"；} }； int main( ){Derived d；return 0；}A．BBBff)DB．BBDfDDDfC．DDD．DDBBBf
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 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
执行如下程序将输出():includeusing namespace std;class Base{public:Base(){cout 执行如下程序将输出( ): #include＜iostream＞ using namespace std; class Base { public: Base(){cout＜＜"BB";fun();} void fun (){tout＜＜"Brim";} }; class Derived:public Base { public: Derived(){cout＜＜"DD";} void fun (){cout＜＜"Dfun";} }; int main(){Derived d;return 0;}A．DDB．BBDfunDDDfunC．BBBfunDDD．DDBBBfun
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
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