public class TestHare {
    
    public static void main(String[] args) {
        Hare sesongHare = new P?skehare();

        Egglegger h2 = (Egglegger) sesongHare;
        P?skehare h1 = (P?skehare) sesongHare;

        Egglegger h3 = h1;
    }



}

interface Egglegger {
    int antallEgg();
}

class Hare {
}

class P?skehare extends Hare implements Egglegger {
    int antall = 5;
    public int antallEgg() {
        return antall;
    }
}