题目加载中…
C 语言中下面程序的运行结果是__?
初级单选题1494 次浏览0 人挑战
```
#include
using namespace std;
class Base
{
int x;
public:
Base(int b) :x(b){}
virtual void display()
{
cout << x << endl;
}
};
class Derived :public Base
{
int y;
public:
Derived(int d) :Base(d), y(d){}
void display()
{
cout << y << endl;
}
};
int main()
{
Base b(2);
Derived d(3);
b.display();
d.display();
Base* p = &d;
p->display();
system("pause");
return 0;
}
```
