[OOP]类的封装

#include <stdio.h>
#include <string.h>

class Circle
{
public:
    int GetX()
    {
        return m_x;
    }
    int GetY()
    {
        return m_y;
    }

    void SetRadius(int r)
    {
        m_radius = r;
    }

    void MoveTo(int x, int y)
    {
        m_x = x;
        m_y = y;
    }

    double Area()
    {
        return 3.14 * m_radius * m_radius;
    }

    // 1, 表示在里面
    int Contain(double x, double y)
    {
        
        return 0;
    }

private:
    int m_x;
    int m_y;
    int m_radius;
};



int main()
{
    Circle obj;
    obj.SetRadius(2);
    obj.MoveTo(0,0);

    int area = obj.Area();
    
    if(obj.Contain(1.2, 1.3))
    {
        printf("yes, in it\n");
    }
    return 0;
}