PPT-Folie

int qty; float unitPprice; //local variables

LineItemParty {

main-entry float price() {

float basicPrice, int discount;

qty = this.quantity();

basicPrice = pricer.basicPrice(item);

discount = pricer.discount(item, qty, customer);

unitPrice = basicPrice - (discount * basicPrice);

return (unitPrice + item.additionalCharges());} }

ItemParty {

private float additionalCharges() {

float total;

while (charges.hasElement()) {

nextCharge = chargerParties.next();

total =+ charge.cost(qty, unitP, this);

return total; }

}