public OrderProcessing(OrderClass OrderObject, double price)
{
if (OrderObject.getCardNo() > 7000 || OrderObject.getCardNo() < 5000)
{
set_card_is_valid(false);
}
else
{
set_card_is_valid(true);
}
//calculate total amount of charge = unitPrice*numOfRooms + Tax + LocationCharge
double num = price * OrderObject.getamount() + .075 + 2;
set_total_charge(num);
}