@Override
    public void actionPerformed(ActionEvent event) {
        //To change body of implemented methods use File | Settings | File Templates.
        if(event.getSource() == persoonAanmaken && !naam.getText().equals("") && !bsn.getText().equals(""))
        {
            persoon = new Persoon();
            persoon.setBsn(Integer.parseInt(bsn.getText()));
            persoon.setNaam(naam.getText());
            app.addPerson(persoon);

            personenList.addItem(persoon);
        }

    }