1    package shapes;
2    // Program to explore computational solution to simple geometrical problems
3    public class ShapesThing {
4        public static void main(String[] args) {
5            SSquare square = new SSquare(400);
6            System.out.println("square = " + square.toString());
7            System.out.println("area of square =" + square.area());
8            System.out.println("perimeter of square =" + square.perimeter());
9            System.out.println("diagonal of square =" + square.diagonal());
10   
11           SCircle disk = square.inscribingCircle();
12           System.out.println("disk =" + disk.toString());
13           System.out.println("area of disk =" + disk.area());
14           System.out.println("perimeter of disk =" + disk.perimeter());
15   
16           SSquare diamond = square ;
17           System.out.println("diamond =" + diamond.toString());
18           System.out.println("area of diamond =" + diamond.area());
19       }
20   
21   }
22