C# (CSharp) IPubsData примеры использования

Пример #1

 public PubsService(IPubsData pubsDAO)
 {
     _pubsDAO = pubsDAO;
 }

Пример #2

 public PubsService()
 {
     _pubsDAO = new PubsDAO();
     //_pubsDAO = new PubsDAOADO();
 }