The following text was written to the standard output stream when the Desk.java program was executed from IntelliJ.
area of desk = 864.0 area of book1 = 93.5 area of book2 = 93.5 area of coaster1 = 7.290000000000001 area of coaster2 = 7.290000000000001 area of coaster3 = 7.290000000000001 area of plate1 = 201.06192982974676 area of plate2 = 201.06192982974676 area of plate3 = 201.06192982974676 area of objects = 812.0557894892403 area of empty space = 51.94421051075972