oop/11-point-of-sale/src/main/java/lk/ac/pdn/ceit/pos/PointOfSale.java


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package lk.ac.pdn.ceit.pos;

import java.util.List;

import lk.ac.pdn.ceit.pos.entities.Bill;
import lk.ac.pdn.ceit.pos.entities.Item;

public interface PointOfSale {
    public Bill createNewBill();
    public void addLineItem(String itemId, int quantity);
    public void cashByCustomer(String amount);
    public List<Item> searchItems(String q);
    public void saveBill();
    public void finishBillSession();
}