using System;

using System.Collections.Generic;

public class Program

{

    public static void Main()

    {

        Company co = new Company();

        co.PrintCompanyList();

    }   

}

​

​

public class Company

{

    private List<Employee> _employees;

    public Company ()

    {

        //genarate some random employees

        _employees = new List<Employee>();

        //Make 2 Managers;

        Manager m1 = new Manager();

        m1.LastName = "Manager1";

        m1.ManagerialStatus = "Assistant Manager";

        _employees.Add(m1);

        Manager ms = new Manager();

        ms.LastName = "Manager2";

        ms.ManagerialStatus = "Senior Manager";

        _employees.Add(ms);

        Executive e1 = new Executive();

        e1.LastName = "Exec1";

        e1.ExecutiveStatus = "CEO";

        _employees.Add(e1);

    }

    public void PrintCompanyList()

    {

        foreach (Employee emp in _employees)

        {

            Console.WriteLine(emp.LastName);

            if(emp.GetType().FullName.ToString() == "Executive")

            {

                Executive tmpExec = (Executive) emp;

                Console.WriteLine(tmpExec.ExecutiveStatus);

            }

        }

    }

}

​

public abstract class Employee

{

    public String LastName;

    public DateTime Dob;

    public bool IsFree;

    public Employee()

    {

        IsFree = false;

        Dob = DateTime.MinValue;

        LastName = "";

    }

}

​

public class Manager: Employee

{

    public String ManagerialStatus;

    public Manager()

    {

        ManagerialStatus = "";

    }   

}

​

public class Executive: Employee

{

    public String ExecutiveStatus;

    public Executive()

    {

        ExecutiveStatus = "";

    }   

}

​

​

​

​

​