public Tagesregister removeTagesregister(Tagesregister tagesregister) { getTagesregisters().remove(tagesregister); tagesregister.setKlasse(null); return tagesregister; }
public Tagesregister addTagesregister(Tagesregister tagesregister) { getTagesregisters().add(tagesregister); tagesregister.setKlasse(this); return tagesregister; }