import java.util.*;
public class Sales {
	Vector orders;
	public Sales(){
		orders=new Vector();
	}
	public void addOrder(Order order){
		orders.add(order);
	}
	public Iterator getOrdersIterator() {
		Iterator i=orders.iterator();
		return i;
	}
	public int getNumberOfOrders() {
		return orders.size();
	}

}