package exchange; public class VariableRateCurrency extends AbstractCurrency { private double exchangeRateInEuro; VariableRateCurrency(String name, double exchangeRateInEuro) { super(name); this.exchangeRateInEuro = exchangeRateInEuro; } public void modifyExchangeRateInEuro(double newRate) { exchangeRateInEuro = newRate; } public double exchangeRateInEuro() { return exchangeRateInEuro; } }