Enterprise Application Architecture with .NET Core

Employee Information business logic layer

The interface for the Employee Manager class looks like this:

    namespace Applications.BusinessLogic.Managers    {        public interface IEmployeeManager : IBusinessManager        {          int GetTotalNumberOfEmployees();          /// <summary>          /// Adds the new employee into the DB          /// </summary>          /// <returns></returns>          Employee AddNewEmployee(Employee newEmployee);          void RemoveAnEmployee(Employee newEmployee);           /// <summary>          /// Gets the List of All Employees eventually           from data source          /// </summary>          /// <returns></returns>          IEnumerable<Employee> GetListofAllEmployees();          Employee GetAnEmployee(int employeeId);        }    }

Let's look at the implementation code, which is as written as follows:

 public class EmployeeManager : IEmployeeManager ...