例3.9.cpp

铁道出版社出版的C++的习题源代码

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