1    /* 
2     *This is a program that is designed to understand the 
3     * computations and elements of the geometrical world through 
4     * programming. 
5     */
6    package shapes;
7    
8    import java.awt.*;
9    
10   public class ShapesThing {
11       public static void main(String[] args) {
12           SSquare square = new SSquare(400);
13           System.out.println("square =" + square.toString());
14           System.out.println("area of square =" + square.area());
15           System.out.println("perimeter of square =" + square.perimeter());
16           System.out.println("diagonal of square="+square.diagonal());
17   
18           SCircle disk = square.inscribingCircle();
19           System.out.println("disk = " + disk.toString());
20           System.out.println("area of disk =" + disk.area());
21           System.out.println("perimeter of disk="+ disk.perimeter());
22   
23           SSquare diamond = disk.inscribingSquare();
24           System.out.println("diamond = " + diamond.toString());
25           System.out.println("area of diamond =" + diamond.area());
26   
27   
28   
29       }
30   }
31