c++ please

Program 8-31 from Chapter 8| creates an array of four objects, then displays the area of each object. Using a copy of that program as a starting point, modify it to create an array of seven objects initialized with the following radii: 2.5,4.0,1.0,3.0,6.0,5.5,2.0. Then use a bubble sort to arrange the objects in ascending order of radius size before displaying the radius and area of each object