class Katt {
    private String name;
    private int opprettet;

    static int teller = 0;

    public Katt(String n) {
        name = n;
        opprettet = teller;
        teller += 1;
    }  

    public static int hentTeller() {
        return teller;
    }
}

class Hoved {
    public static void main(String[] args) {
        for (int i = 0; i < 3; i++) {
            Katt k = new Katt("test");

        }

        Katt.hentTeller();
    }
}