Refactoring-ch01-moving-amount-after-statement.java

class Customer...
    public String statement() {
        double totalAmount = 0;
        int frequentRenterPoints = 0;
        Enumeration rentals = _rentals.elements();
        String result = "Rental Record for " + getName() + "\n";
        while (rentals.hasMoreElements()) {
            double thisAmount = 0;
            Rental each = (Rental) rentals.nextElement();
            thisAmount = amountFor(each);
            // add frequent renter points
            frequentRenterPoints ++;
            // add bonus for a two day new release rental
            if ((each.getMovie().getPriceCode() == Movie.NEW_RELEASE)
            && each.getDaysRented() > 1) frequentRenterPoints ++;
            //show figures for this rental
            result += "\t" + each.getMovie().getTitle()+ "\t" +
            String.valueOf(thisAmount) + "\n";
            totalAmount += thisAmount;
        }
        //add footer lines
        result += "Amount owed is " + String.valueOf(totalAmount) +
        "\n";
        result += "You earned " +
        String.valueOf(frequentRenterPoints) +
        " frequent renter points";
        return result;
    }