Book.java

public static void loadBooks(ArrayList<Book> books, String fileName)
    {
        try(Scanner scanner = new Scanner(new File(fileName)))
        {
            String currentLine;
            String delims = ", ";
            String[] tokens;


            scanner.useDelimiter(", ");

            while(scanner.hasNext())
            {
                currentLine = scanner.nextLine();
                tokens = currentLine.split(delims);
                books.add(new Book(tokens[0], Double.parseDouble(tokens[1])));
            }
        }
        catch(FileNotFoundException e)
        {
            JOptionPane.showMessageDialog(null, "Error opening BookPrices.txt! \n\nMake sure that it is in the same directory as the program.", "Inane error", JOptionPane.ERROR_MESSAGE);
        }
    }