单项选择题
有如下类声明:
class MyBASE
int k;
public:
void set(int n)k=n;
int get()constreturn k;
;
class MyDERIVED:protected MyBASE
protected:
int j;
public:
void set(int m, int n) MyBASE::set(m);j=n;
int get()constreturn MyBASE::get()+j;
;
则类MyDERIVED中保护的数据成员和成员函数的个数是
A.4
B.3
C.2
D.1
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单项选择题
以下程序执行后的输出结果是 #include <iostream> using namespace std; void try(int,int,int,int); int main () int x,y,z,r; x =1 ; y = 2; try(x,y,z,r); cout<<r<<endl; return 0; void try(int x,int y,int z,int r) z = x+y; x = x*x; y = y*y; r = z+x+y;
A.18
B.9
C.10
D.不确定