有以下程序: #include <iostream> using namespa
题型:单项选择题
问题:
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;
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.XY
B.YX
C.X
D.Y