C# (CSharp) PetshopProject.Classes PetshopDAO примеры использования

Пример #1

 public static PetshopDAO Instancia()
 {
     if (PetshopDAOInstancia == null)
     {
         PetshopDAOInstancia = new PetshopDAO();
     }
     return(PetshopDAOInstancia);
 }

Пример #2

 public PetshopService()
 {
     psDAO = PetshopDAO.Instancia();
 }