C# (CSharp) ILevelBusiness примеры использования

Пример #1

 public ClassRoomController(IClassRoomBusiness classRoomBusiness, ILevelBusiness levelBusiness)
 {
     _classRoomBusiness = classRoomBusiness;
     _levelBusiness     = levelBusiness;
 }

Пример #2

 public LevelService(ILevelBusiness LevelBiz)
 {
     _LevelBiz = LevelBiz;
 }

Пример #3

 public LevelController(ILevelBusiness levelBusiness)
 {
     _levelBusiness = levelBusiness;
 }