1    /* 
2    * This program explores the computational solution to simple geometrical problems by means of construction and use of basic shapes 
3     */
4    
5    package shapes;
6    import shapes.SSquare;
7    import shapes.SCircle;
8    public class ShapesThing {
9        public static void main(String[] args) {
10   
11           SSquare square = new SSquare(400);
12           System.out.println("square = " + square.toString());
13   
14   System.out.println("area of square = " + square.area());
15   
16   System.out.println("Perimeter of square = " + square.perimeter());
17   
18   System.out.println("Diagonal of square = " + square.diagonal());
19   // introduce disk
20   SCircle disk = square.circumscribingCircle();
21   System.out.println("disk = " + disk.toString());
22   System.out.println("area of disk = " + disk.area());
23   System.out.println("perimeter of disk = " + disk.perimeter());
24   
25   // Introduce diamond 
26   SSquare diamond = disk.inscribingSquare();
27   System.out.println("diamond = " + diamond.toString());
28   System.out.println("area of diamond = " + diamond.area());
29   
30   }
31   }