1    package shapes;
2    
3    public class ShapesThing {
4    
5        public static void main(String[] args) {
6    
7            SSquare square = new SSquare(400);
8            System.out.println("square = " + square.toString());
9    
10           System.out.println("area of square = " + square.area());
11   
12           System.out.println("perimeter of square = " + square.perimeter());
13   
14           System.out.println("diagonal of square = " + square.diagonal());
15   
16           SCircle disk = square.inscribingCircle();
17           System.out.println("disk = " + disk.toString());
18   
19           System.out.println("area of disk = " + disk.area());
20   
21           SSquare diamond = disk.inscribingSquare();
22           System.out.println("diamond = "+ diamond.toString());
23   
24           System.out.println("diamond = " + diamond.area());
25   
26       }
27   
28   }
29