Refactoring-ch01-extracting-frequent-renter-points.java

public String statement() {
    double totalAmount = 0;
    int frequentRenterPoints = 0;
    Enumeration rentals = _rentals.elements();
    String result = "Rental Record for " + getName() + "\n";
    while (rentals.hasMoreElements()) {
        Rental each = (Rental) rentals.nextElement();
        // add frequent renter points
        frequentRenterPoints += each.getFrequentRenterPoints();
        //show figures for this rental
        result += "\t" + each.getMovie().getTitle()+ "\t" +
        String.valueOf(each.getCharge()) + "\n";
            totalAmount += each.getCharge();
    }
    //add footer lines
    result += "Amount owed is " + String.valueOf(totalAmount) + "\n";
    result += "You earned " + String.valueOf(frequentRenterPoints)
    + " frequent renter points";
    return result;
}

class Rental...
int getFrequentRenterPoints() {
    if ((getMovie().getPriceCode() == Movie.NEW_RELEASE) &&
        getDaysRented() > 1)
            return 2;
    else
        return 1;
}