1    
2    
3    package shapes;
4    // this program uses shapes to solve geometric problems
5    
6    public class ShapesThing {
7        public static void main(String[] args) {
8    
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.inscribingCircle();
15               System.out.println("disk = " + disk.toString());
16               System.out.println("disk area = " + disk.area());
17               System.out.println("perimeter of disk =" + disk.perimeter());
18               SSquare diamond = disk.inscribingSquare();
19               System.out.println("diamond = " + diamond.toString());
20               System.out.println("diamond area = " + diamond.area());
21   
22   
23           }
24       }
25   
26   
27