1    package shapes;
2    import shapes.SRectangle;
3    import shapes.SCircle;
4    import shapes.SSquare;
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10       public class MessyDesk {
11   
12           public static void main (String [] args) {
13   
14               //Desk
15               double bWoodenDeskHeight = 66.0;
16               double bWoodenDeskLength = 153.0;
17               //NPW
18               SRectangle brownWoodenDesk = new SRectangle(bWoodenDeskLength, bWoodenDeskHeight);
19   
20               //Notebook
21               double notebookHeight = 21.0;
22               double notebookLength = 29.7;
23               //NPW
24               SRectangle notebook = new SRectangle(notebookLength, notebookHeight);
25   
26               //Lab manual
27               double labManualHeight = 25.4;
28               double labManualLength = 30.48;
29               // NPW
30               SRectangle labManual = new SRectangle(labManualLength, labManualHeight);
31   
32               // 9 diameter plates
33               double plateDiameter = 20.6;
34               //NPW
35               SCircle plates = new SCircle(plateDiameter / 2);
36   
37               // Cans
38               double canRadius = 2.52;
39               //NPW
40               SCircle can = new SCircle(canRadius);
41   
42               //Create the coaster without an explicit constructor
43               SSquare coaster = can.circumscribingSquare();
44   
45               //find the area for each item and add it all up
46               double thingsOnDesk = (notebook.area() * 2) + labManual.area() + (plates.area() * 9) + (coaster.area() * 3);
47   
48               //leftover space on desk
49               double freeSpace = (brownWoodenDesk.area() - thingsOnDesk);
50               System.out.println("The area of the desk that is not obscured by any object is -->" + freeSpace);
51           }
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57   
58       }
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