Mine

public class Hyrbil6_3 {
    
    private String regNr;
    private int dagspris;
    private Filial6_3 filial;
    
    public Hyrbil6_3 (String rNbr, int pris) {
        regNr = rNbr;
        dagspris = pris;
    }
    
    public int pris(int antalDagar) {
        return antalDagar * dagspris;
    }
    
    public void setFilial (Filial6_3 filial) {
       this.filial = filial;
       
    }
   
    public Filial6_3 getFilial(){
       return filial;
    }
    
    public String getregNr(){
        return regNr;
    }
}