例3.3.txt

铁道出版社出版的C++的习题源代码

#include<iostream.h>
class Box
{
public:
	Box();
	Box(int h,int w,int len):height(h),width(w),length(len){}
	int volume();
private:
	int height;
	int width;
	int length;
};
Box::Box()
{
	height=10;
	width=10;
	length=10;
}
int Box::volume()
{
	return height*width*length;
}
int main()
{
	Box box1;
	cout<<"The volume of box1 is "<<box1.volume()<<endl;
	Box box2(15,30,25); 
	cout<<"The volume of box2 is "<<box2.volume()<<endl;
	return 0;
}