Introduction - If you have any usage issues, please Google them yourself
Write C++ program performs the following functions: (1) defines a Point class, its properties include the coordinates of points, providing methods of calculating the distance between two points (2) define a rectangle class, its properties include the two top left and bottom right corner points, provided the method calculates the area (3) create a rectangle object, the user is prompted top left and bottom right coordinates of the rectangle (4) observed a rectangular object, and a member of the Point class constructor and destructor calls (5 ) to calculate the area and output.