abstract class Kj?ret?y{

  private final String id;
  private String merke;
  private String modell;
  private int ?r;

  public Kj?ret?y(String id, String merke, String modell, int ?r){
    this.id = id;
    this.merke = merke;
    this.modell = modell;
    this.?r = ?r;
}
  
  public String getId(){
    return id;
}
  public String getMerke(){
    return merke;
} 
  public String getModell(){
    return modell;
} 
  public void setMerke(String merke){
    this.merke = merke;
}
  public void setModell(String modell){
    this.modell = modell;
  }
  public int get?r(){
    return ?r;
  }
  public void set?r(int ?r){
    this.?r = ?r;
  }


}