class point
{
public:
point();
~point();
point(float x,float y,float z);
private:
float m_x,m_y,m_z;
public:
float Distance(point& p);
//如果我定义为:
//float Distance(point p);
//有什么区别?
float GetX();
float GetY();
float GetZ();
point operator + (point& p);
point operator /(int time);
point operator = (point& p);
};
题目在注解中。谢谢。
一个是指向类的指针,一个是类的对象