public VendingMachine(ICoinOperator coinOperator, IProductDispenser productDispenser,
IReturnCoinFromSale returnCoinFromSale, IProductStock productStock, ICoinBank coinBank)
{
_coinOperator = coinOperator;
_productDispenser = productDispenser;
_returnCoinFromSale = returnCoinFromSale;
_productStock = productStock;
_coinBank = coinBank;
}
public VendingMachine(ICoinDetector coinDetector,
IProductDispenser productDispenser)
{
_coinDetector = coinDetector;
_productDispenser = productDispenser;
_coins = new List <Coin>();
_coinReturn = new List <string>();
}
