1    package Shapes;
2    // creating shapes
3    
4    
5    import shapes.SCircle;
6    import shapes.SSquare;
7    
8    public class ShapesThing {
9    
10       public static void main(String[] args){
11   
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("diagnol of the 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