public static void main(String[] args) throws Exception {
CurrencyConverterService service = new CurrencyConverterService();
CurrencyConverter converter = service.getPort(CurrencyConverter.class);
System.out.println("USD -> GBP = " + converter.getExchangeRate("USD", "GBP"));
System.out.println("100 USD = " + converter.convert("USD", "GBP", 100.0) + "GBP");
}
}