第七周项目—阅读程序

#include <iostream>
#include <string>
using namespace std;
class Box
{
public:
Box(int h,int w,int l):height(h),width(w),length(l){}
int volume( ){return height*width*length;};
private:
static int height;  //静态的数据成员
int width;
int length;
};
int main()
{
Box b(2,3,4);
cout<<"volume is "<<b.volume()<<endl;
return 0;
}