After applying "Replace Temp with Query" to totalAmount

gistfile1.java

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

private double getTotalCharge()
{
    double result = 0;
    for(Rental rental : rentals)
    {
        result += rental.getCharge();
    }
    return result;
}