}
// Create a shipyard and notify it about it's owner
- public static function createShipyardNotify (Harbor $harborInstance, $shipyardName, ShippingCompany $companyInstance) {
+ public final static function createShipyardNotify (Harbor $harborInstance, $shipyardName, ShippingCompany $companyInstance) {
// Werft-Instanz holen
$shipyardInstance = self::createShipyard($harborInstance, $shipyardName);