Классы, содержащие данные других классов

//Rect.hpp
#include <iostream.h>
using namespace std;
 
class Point
{
    public:
    void SetX(int x) {itsX = x;}
    void SetY(int y) {itsY = y;}
    int GetX() const {return itsX;}
    int GetY() const {return itsY;}
    
    private:
    int itsX;
    int itsY;
};
 
class Rectangle
{
    public:
    Rectangle(int top, int left, int bottom, int right);
    ~Rectangle(){}
    
    int GetTop() const {return itsTop;}
    int GetLeft() const {return itsLeft;}
    int GetBottom() const {return itsBottom;}
    int GetRight() const {return itsRight;}
    
    Point GetUpperLeft() const {return itsUpperLeft;}
    Point GetLowerLeft() const {return itsLowerLeft;}
    Point GetUpperRight() const {return itsUpperRight;}
    Point GetLowerRight() const {return itsLowerRight;}
    
    void SetUpperLeft(Point Location) {itsUpperLeft = Location;}
    void SetLowerLeft(Point Location) {itsLowerLeft = Location;}
    void SetUpperRight(Point Location) {itsUpperRight = Location;}
    void SetLowerRight(Point Location) {itsLowerRight = Location;}
    
    void SetTop(int top) {itsTop = top;}
    void SetLeft(int left) {itsLeft = left;}
    void SetBottom(int bottom) {itsBottom = bottom;}
    void SetRight(int right) {itsRight = right;}
    
    int GetArea() const;
    
    private:
    Point itsUpperLeft;
    Point itsUpperRight;
    Point itsLowerLeft;
    Point itsLowerRight;
    int itsTop;
    int itsLeft;
    int itsBottom;
    int itsRight;
};

//Rect.cpp
#include "Rect.hpp"
 
Rectangle::Rectangle(int top, int left, int bottom, int right)
{
    itsTop = top;
    itsLeft = left;
    itsRight = right;
    itsBottom = bottom;
    
    itsUpperLeft.SetX(left);
    itsUpperLeft.SetY(top);
    
    itsUpperRight.SetX(right);
    itsUpperRight.SetY(top);
    
    itsLowerLeft.SetX(left);
    itsLowerLeft.SetY(bottom);
    
    itsLowerRight.SetX(right);
    itsLowerRight.SetY(bottom);
}
 
int Rectangle::GetArea() const
{
    int Width = itsRight - itsLeft;
    int Height = itsTop - itsBottom;
    return (Width * Height);
}
 
int main()
{
    Rectangle MyRectangle(100, 20, 50, 80);
    
    int Area = MyRectangle.GetArea();
    cout << "Area: " << Area << "\n";
    cout << "Upper Left X Coordinate: ";
    cout << MyRectangle.GetUpperLeft().GetX();
    
    system("PAUSE");
    return 0;
}

Point GetUpperLeft() const {return itsUpperLeft;}
    Point GetLowerLeft() const {return itsLowerLeft;}
    Point GetUpperRight() const {return itsUpperRight;}
    Point GetLowerRight() const {return itsLowerRight;}
    
    void SetUpperLeft(Point Location) {itsUpperLeft = Location;}
    void SetLowerLeft(Point Location) {itsLowerLeft = Location;}
    void SetUpperRight(Point Location) {itsUpperRight = Location;}
    void SetLowerRight(Point Location) {itsLowerRight = Location;}

Point GetUpperLeft() const 
{
   return itsUpperLeft;
}

void SetUpperLeft(Point Location) {itsUpperLeft = Location;}

void SetUpperLeft(Point что угодно!!!) {itsUpperLeft = что угодно!!!;}