1    package shapes;
2    
3    public class WorkArea {
4    
5        public static void main (String[] args) {
6            // assign all areas
7            SRectangle tableArea = new SRectangle(24, 36);
8            tableArea.area();
9    
10           SRectangle bookArea = new SRectangle(8.5, 11);
11           bookArea.area();
12   
13           SSquare coasterArea = new SSquare(2.7);
14           coasterArea.area();
15   
16           SCircle plateArea = new SCircle(8);
17           plateArea.area();
18   
19   
20           // calculate the area of the table that is not being used
21           double notUsed = tableArea.area() - (2 * bookArea.area()) - (3 * coasterArea.area()) - (3 * plateArea.area());
22   
23           // display
24           System.out.println("Area of table not used = " + notUsed + " inches squared.");
25       }
26   
27   }
28