code: public void initializeCurrency() {
          if (!currencyInitialized) {
              sendConsoleMessage(Level.INFO, getLanguageManager().getString("loading_currency_manager"));
              currencyManager = new CurrencyManager();
              currencyInitialized = true;
              sendConsoleMessage(Level.INFO, getLanguageManager().getString("currency_manager_loaded"));
          }
      }
docs: Initialize the {@link CurrencyManager}