@Override
    public String selectMajorCurrency(final CurrencyPair pair) {
        return selectMajorCurrency(pair.getCcy1(), pair.getCcy2());
    }
@ Override public String selectMajorCurrency ( final CurrencyPair pair ) { return selectMajorCurrency ( pair . getCcy1 ( ) , pair . getCcy2 ( ) ) ; }
Given a CurrencyPair, return the major Currency if there is one, otherwise returns the first currency.