using System;

​

//base class

public class Employee

{

    // Virtual method (on the base class)

    public virtual double CalcPay()

    {

        return 5.0; //general draw behavior 

    }

}

​

//salaried class 

class Salaried_Employee: Employee

{

    public double BaseSalary;

    public override double CalcPay()

    {

        return 8000;    

    }

}

// hourly class

class Hourly_Employee: Employee

{

    public double HourlyRate;

    public override double CalcPay()

    {

        return 10;

    }

}

​

//test class

public class Program

{

    public static void Main()

    {

        System.Collections.Generic.List<Employee>employee = new System.Collections.Generic.List<Employee>();

        employee.Add(new Salaried_Employee());

        employee.Add(new Hourly_Employee());

​

        foreach (Employee e in employee)

        {

            Console.WriteLine(e.CalcPay());

        }

        Console.WriteLine("\n");

        // Polymormpishm at work #3: Trying to call the virtual method directly

        employee[0].CalcPay(); 

​

        // This also works outside of the Shapes List!

        Console.WriteLine("\n");

        Employee e1 = new Hourly_Employee();

        e1.CalcPay();

    }

}