1    /* 
2    *this program affords opportunities to explore th computational solution 
3    * to simple geometrical problems by means of the construction 
4    * and use of basic shapes 
5     */
6    package shapes;
7    
8    public class ShapesThing {
9        public static void main(String[] args){
10           SSquare square  = new SSquare(400);
11           System.out.println("square = " + square.toString());
12           System.out.println("area of square = " + square.area());
13           System.out.println("perimeter of square = " + square.perimeter());
14           System.out.println("diagonal of square " + square.diagonal());
15   
16           SCircle disk = square.inscribingCircle();
17           System.out.println("disk = " + disk.toString());
18           System.out.println("area of disk = " + disk.area());
19           System.out.println("perimeter of disk = " + disk.perimeter());
20           SSquare diamond = disk.inscribingSquare();
21           System.out.println("diamond " + diamond.toString());
22           System.out.println("area of diamond " + diamond.area());
23       }
24   }
25