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