public void Update(Gamer gamer)
{
Console.WriteLine(gamer.FirstName + " " + gamer.LastName + " güncellendi.");
}
internal void Add(Gamer gamer)
{
throw new NotImplementedException();
}
public void Delete(Gamer gamer)
{
Console.WriteLine(gamer.FirstName + "" + gamer.LastName + " silindi.");
}