class Tegne {

    public static void main(String[] args) {
        Sirkel sirkel = new Sirkel(10);
        //sirkel.tegn();
        Firkant firkant = new Firkant();
        //firkant.tegn();
        Figur firkant2 = new Firkant(10);
        //firkant2.tegn();
        Firkant ordentlig_firkant = (Firkant) firkant2;
        //System.out.println("Fargen er " + ((Firkant) firkant2).hentFarge());
        Figur[] figurer = { sirkel, firkant };
        for (Figur figur : figurer) {
            figur.tegn();
            if (figur instanceof Firkant) {
                System.out.println(
                    "Fargen er " + ((Firkant) figur).hentFarge()
                );
            }
        }
        Figur[] figurer2 = new Figur[2];
        figurer2[0] = firkant;
        figurer[1] = sirkel;
    }
}