Conversor de temperatura

public class Temperatura {
    private double temperaturaCelsius;

public Temperatura(double temperaturaCelsius) {
    this.temperaturaCelsius = temperaturaCelsius;
}

public double getTemperaturaCelsius() {
    return temperaturaCelsius;
}

public double getTemperaturaFahrenheit() {
    return (temperaturaCelsius * 1.8) + 32;
}

public double getTemperaturaKelvin() {
    return temperaturaCelsius + 273.15;
}

public static void main(String[] args) {
    Temperatura temperatura = new Temperatura(25);
    System.out.println("****************************************************************");
    System.out.printf("Temperatura em Celsius: %.2f%n", temperatura.getTemperaturaCelsius());
    System.out.printf("Temperatura em Fahrenheit: %.2f%n", temperatura.getTemperaturaFahrenheit());
    System.out.printf("Temperatura em Kelvin: %.2f%n", temperatura.getTemperaturaKelvin());
    System.out.println("****************************************************************");
}

}