class hovedprogram{
  public static void main(String[] args){
    Person roy = new Person("Roy", 18, 20000);
    Bil cybertruck = new Bil("Cybertruck", 10000, roy);
    Person lise = new Person("Lise", 45, 10000);

    lise.kjoepBil(cybertruck);
    System.out.println(cybertruck.hentEier().hentNavn());
  }
}