{}
using System;
public abstract class Energy
{
public abstract void Source();
public abstract void Mode();
}
public class Wind: Energy
{
public override void Source()
{
Console.WriteLine("Source: " + "Wind");
}
public override void Mode()
{
Console.WriteLine("Mode: " + "Turbines");
}
public void Displayname()
{
Console.WriteLine("Wind energy");
}
}
public class Program
{
public static void Main(string[] args)
{
Wind myWind = new Wind();
myWind.Source();
myWind.Mode();
myWind.Displayname();
}
}