test2_boxvalume.cpp

定义并实现复数类

/*#include<iostream>
using namespace std;
class box
{
private:
	double volume;
public:
	double x,y,z;
	box(double x,double y,double z)
	{
		this->x=x;
		this->y=y;
		this->z=z;
	}
	double calcVolume()
	{
		volume=x*y*z;
		return volume;
	}
	void show()
	{
		cout<<volume<<endl;
	}
};
void main()
{
	box b(2.5,3.5,4.5);
	b.calcVolume();
	cout<<"边长为("<<b.x<<","<<b.y<<","<<b.z<<")的长方形面积为：";
	b.show();
}*/