/* 
 * A program that calculate the remaining space of a messy desk 
 */

package shapes;

public class WorkArea {

    public static void main(String[] args){

        // Declaring basic measurements and bind them to variables.
        double DeskDepth, DeskWidth, BookLength, BookWidth, CupRadius, PlateRadius;
        DeskDepth = 24.0;
        DeskWidth = 36.0;
        BookLength = 11.0;
        BookWidth = 8.5;
        CupRadius = 1.35;
        PlateRadius = 8.0;

        // Unnecessary variables that could have been replaced by just a number.
        double NumOfCoasters, NumOfPlates, NumOfBooks;
        NumOfCoasters = 3.0;
        NumOfPlates = 3.0;
        NumOfBooks = 2.0;

        // Create objects to think with and bind them with values from other variables.
        SRectangle Desk = new SRectangle(DeskDepth, DeskWidth);
        SCircle Glass = new SCircle(CupRadius);
        SSquare Coaster = Glass.circumscribingSquare();
        SCircle Plate = new SCircle(PlateRadius);
        SRectangle Book = new SRectangle(BookLength, BookWidth);
        double CoastersArea = NumOfCoasters * Coaster.area();
        double PlatesArea = NumOfPlates * Plate.area();
        double BookArea = NumOfBooks * Book.area();

        // Calculating the remaining space
        double CollectiveArea = (CoastersArea + PlatesArea + BookArea);
        double RemainingArea = (Desk.area() - CollectiveArea);

        // Display the result.
        System.out.println("The area that may still be used for studying: " + RemainingArea + " square inches");

    }
}