有下列程序: include using namespace std; classBase { protected: int i; public 有下列程序： #include＜iostream.h＞ using namespace std; classBase { protected: int i; public: int j; }; classDerived:public Base { int m; public: intn; }; intA．[1]和[2]B．[1)和[3]C．[2]和[3]D．[2]和[4]
有下列程序: include using namespace std; classBase { protected: int i; public
有下列程序： #include＜iostream.h＞ using namespace std; classBase { protected: int i; public: int j; }; classDerived:public Base { int m; public: intn; }; int
A．[1]和[2]
B．[1)和[3]
C．[2]和[3]
D．[2]和[4]
相关考题：
下面程序的运行结果是 include class base{ protected: int a; public: base( ) {c 下面程序的运行结果是#include＜iostream.h＞class base{protected:int a;public:base( ) {cout ＜ ＜ "0";}};class base l: virtual base{public:base l ( ) {cout ＜ ＜"1";}};class base 2: virtual base{public:base2 ( ) {cout ＜ ＜"2";}};class derived: public base 1, public base2{public:derived( ) {cout ＜ ＜ "3";}};void main( ){derive obj;cout ＜ ＜ endl;}A．0123B．3120C．0312D．3012
下面程序的运行结果是()。includeclass base{protected:int a;public:base(){cout 下面程序的运行结果是( )。 #include＜iostream.h＞ class base{ protected： int a； public： base(){cout＜＜“0”；} }； Class basel：Virtual base{ public： basel(){cout＜＜“1”；} }； Class base2：virtual base{ public： base2(){cout＜＜“2”；)A．0123B．3120C．0312D．3012
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
下面程序的输出结果是【】。include using namespace std; class base { protected: int 下面程序的输出结果是【 】。include ＜iostream＞using namespace std;class base{protected:int a;public:base(){cout＜＜"0":}};class basel: virtual public base{public:base1(){ cout＜＜"1";}};class base2 : virtual public base{public:base2(){cout＜＜"2";}};class derived : public base1,public base2{public:derived () {cout＜＜"3"; }}int main (){derived obj;cout＜＜end1;return 0;}
下面程序的运行结果是includeclass base{protected:int a;public:base( ){cout 下面程序的运行结果是 #include＜iostream.h＞ class base{ protected： int a； public： base( ){cout＜＜"0"；} }； class basel：virtual base { public： base1( ){cout＜＜"1"；} }； class base2：virtual base{ public：A．123B．3120C．312D．3012
有如下程序:include using namespace std;class Base{protected:int i;public:int 有如下程序： #include ＜iostream.h＞ using namespace std; class Base { protected: int i; public: int j; }; class Derived:public Base { int m; public: int n; }; int main() { Derived d; d.i=0; //[1] d.j=0; //[2] d.m=0; //[3] d.n=0; //[4] return 0; } 其中主函数中有两个赋值语句有错，这两个错误的赋值语句是( )。A．[1]和 [2]B．[1]和[3]C．[2]和[3]D．[2]和[4]
若有以下程序:include using namespace std;class Base{private: int x;protected: i 若有以下程序： #include ＜iostream＞ using namespace std; class Base { private: int x; protected: int y; public: int z; void setx(int i) { x=i; int getx () { return x; } }A．1,2,3,4B．产生语法错误C．4,3,2,1D．2,3,4,5
下面程序的运行结果是includeclass base{protected: int a;public: base(){cout 下面程序的运行结果是 #include＜iostream．h＞ class base{ protected： int a； public: base(){cout ＜＜"0"；} }； class basel：virtual base{ public： basel () {cout ＜＜"1"；} }； class base2：virtual base{ public： base2(){cout ＜＜"2"；} }； class derived：public basel，public base2{ public： derived(){cout ＜＜"3"；} }； void main() { derived obj； cout ＜＜end1； }A．123B．3120C．312D．3012
下列程序的运行结果是______。 include class Base { public: virtual void func(int 下列程序的运行结果是______。include＜iostream.h＞class Base{public:virtual void func(int i){cout＜＜"class Base:"＜＜i＜＜end1;)};class Derived: public Base{public:void func(double d){cout＜＜"class Derived:"＜＜d＜＜endl;}};void main( ){Base a,*p=a;Derived b;p=b;(*p).func(3.3);}