fun with delegates

DelegateUsage.cs

using System;
using System.Collections.Generic;

//the goal for this Employee class is NO HARD CODED LOGIC, we can accomplish this using delegates
public class Employee
{
    public int ID { get; set; }
    public string Name { get; set; }
    public int CurrentSalary { get; set; }
    public int YearsExperience { get; set; }

    //create 2 parameter method
    public static void PromoteEmployee(List<Employee> employeeList, IsPromotable isEligibleToPromote) //delegate passed into function as a parameter
    {
        foreach (Employee employee in employeeList)
        {
            if (isEligibleToPromote(employee)) //use the logic that the delegate points to (Promote function)
            {
                Console.WriteLine("{0} is eligible for a promotion", employee.Name);
            }
        }
    }
}

public delegate bool IsPromotable(Employee empl); //

public class Program
{
    public static void Main()
    {
        //instantiate a list of object of type Employee, call it empList
        List<Employee> empList = new List<Employee>();

        //add some objects to the list
        empList.Add(new Employee() { ID = 12376, Name = "Bob", CurrentSalary = 54000, YearsExperience = 6 });
        empList.Add(new Employee() { ID = 12376, Name = "George", CurrentSalary = 28000, YearsExperience = 3 });
        empList.Add(new Employee() { ID = 12376, Name = "Harold", CurrentSalary = 71000, YearsExperience = 11 });
        empList.Add(new Employee() { ID = 12376, Name = "AnnoyingGuy", CurrentSalary = 4200, YearsExperience = 1 });
        empList.Add(new Employee() { ID = 12376, Name = "Chris", CurrentSalary = 32000, YearsExperience = 2 });

        //pass the method 'Promote' as a parameter to the IsPromotable delegate constructor
        IsPromotable isPromotable = new IsPromotable(Promote); //instantiate a new delegate object, isPromotable will point to method 'Promote'

        //invoke the PromoteEmployee method
        Employee.PromoteEmployee(empList, isPromotable); //IsPromotable points directly to the method 'Promote'

        Console.ReadKey();
    }
    
    //pass this method to the constructor of the delegate
    public static bool Promote(Employee emp)
    {
        if (emp.YearsExperience >= 5)
        {
            return true;
        }
        else
        {
            return false;
        }
    }
}