Вызываю же, нет?
package com.javarush.task.task26.task2613;
import java.util.Locale;
public class CashMachine {
public static void main(String[] args) {
Locale.setDefault(Locale.ENGLISH);
String currencyCode = ConsoleHelper.askCurrencyCode();
int denomination = Integer.parseInt(ConsoleHelper.getValidTwoDigits(currencyCode)[0]);
int count = Integer.parseInt(ConsoleHelper.getValidTwoDigits(currencyCode)[1]);
CurrencyManipulator currencyManipulator = CurrencyManipulatorFactory.getManipulatorByCurrencyCode(currencyCode);
currencyManipulator.addAmount(denomination, count);
currencyManipulator.getTotalAmount();
}
}