package gov.sandia.jess.example.pricing.model;import java.util.ArrayList;import java.util.Collection;import java.util.Iterator;import java.util.List;public class Order {    private List items;    private float total;    private Customer customer;        public Order(Collection theItems, Customer aCustomer) {	items = new ArrayList(theItems);	for (Iterator it = items.iterator(); it.hasNext();) {	    OrderItem item = (OrderItem) it.next();	    total += item.getTotal();	}	customer = aCustomer;    }        public Iterator getItems() {        return items.iterator();    }        public float getTotal() {    	return total;    }        public Customer getCustomer() {	return customer;    }}