6. Other constructors

• 
      // point.h
      class Point
      {
          public:
              Point(); // default constructor
              Point( int x, int y );
          private:
              int m_x;
              int m_y;
      };
  
      // point.cpp
      Point::Point( int x, int y )
      {
          m_x = x;
          m_y = y;
      }