public class TemperatureConverterCelsiusToFahrenheitFixture {
    private double celsius;
    public void setCelsius(double celsius) {
        this.celsius = celsius;
    }
    public String fahrenheit() throws Exception {
        try {
            double fahrenheit = TemperatureConverter
.celsiusToFahrenheit(celsius);
            return String.valueOf(fahrenheit);
        } catch (RuntimeException e) {
            return e.getLocalizedMessage();
        }
    }
}
