1    /* 
2     * program of solving shape problems 
3     */
4    
5    package shapes;
6    
7    public class ShapeThing {
8        public static void main (String [] args) {
9            SSquare square = new SSquare(400);
10           System.out.println("square = " + square.toString());
11           System.out.println("area of square = " + square.area());
12           System.out.println("perimeter of square = " + square.perimeter());
13           System.out.println("diagonal of square = " + square.diagonal());
14           SCircle disk = square.circumscribingCircle();
15           System.out.println("disk = " + disk.toString());
16           System.out.println("area of square = " + square.area());
17           System.out.println("area of disk = " + disk.area());
18           System.out.println("perimeter of square = " + square.perimeter());
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   
26   
27       }
28   }
29