1    /* 
2    * Program on inscribing a circle inside a square 
3     */
4    
5    package shapes;
6    import shapes. SSquare;
7    import shapes. SCircle;
8    
9    public class ShapesThing {
10       public static void main (String[] args){
11           SSquare square = new SSquare (400);
12           System.out.println("square = " + square.toString());
13           System.out.println("area of square =" + square.area());
14           System.out.println("perimeter of square=" + square.perimeter());
15           System.out.println("diagonal of square" + square.diagonal());
16   
17           //computations on a circle
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           //computations on another square
24           SSquare diamond = disk.inscribingSquare();
25           System.out.println("diamond =" + diamond.toString());
26           System.out.println("area of diamond =" + diamond.area());
27   
28       }
29   }
30