private int ika;
    private int syke;
    private double maxsyke;

    public Harjoitusapuri(int ika, int leposyke) {
        this.ika = ika;
        this.syke = leposyke;
        this.maxsyke = maksimisyke();
    }
    public double maksimisyke() {
        return 206.3 - (0.711 * this.ika);
    }
    public double tavoitesyke(double prosenttiaMaksimista) {
        return (this.maxsyke - this.syke) * (prosenttiaMaksimista) + this.syke;