C# (CSharp) IStudentsBusiness примеры использования

Пример #1

 public StudentsController(IStudentsBusiness studentsBusiness)
 {
     _studentsBusiness = studentsBusiness;
 }

Пример #2

 public StudentsController(CollegeDbContext collegeDbContext, IStudentsBusiness studentsBusiness)
 {
     _collegeDbContext = collegeDbContext;
     _studentsBusiness = studentsBusiness;
 }