// duynotes blog
public class OrderController {
  private StoreOrder storeOrder;
  private OrderView orderView;
  public OrderController(StoreOrder storeOrder,OrderView orderView) {
    this.storeOrder = storeOrder;
    this.orderView = orderView;
  }
  public void deleteItem( int itemNum ) {
    storeOrder.deleteItem( itemNum );
  }
  public void changePrice( int itemNum, BigDecimal newPrice ) {
    storeOrder.changePrice( itemNum, newPrice );
  }
}