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