1    //solution to simple geometric problems  by construction and use of basic shapes
2    package shapes;
3    
4    public class ShapesThings {
5        public static void main(String []args) {
6            SSquare square = new SSquare (400);
7            System.out.println("square = " + square.toString());
8            System.out.println("area of square = " + square.area());
9            System.out.println("perimeter of square = " + square.perimeter());
10           System.out.println("diagonal of square =" + square.diagonal());
11           SCircle disk = square.inscribingCircle();
12           System.out.println("disk = " + disk.toString());
13           System.out.println("area of disk = " + disk.area());
14           SSquare Diamond = disk.inscribingSquare();
15           System.out.println("diamond = " + Diamond.toString());
16       }
17   }
18