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