namespace Packt.Shared;

public class Passenger
{
  public string? Name { get; set; }
}

public class BusinessClassPassenger : Passenger
{
  public override string ToString()
  {
    return $"Business Class: {Name}";
  }
}

public class FirstClassPassenger : Passenger
{
  public int AirMiles { get; set; }

  public override string ToString()
  {
    return $"First Class with {AirMiles:N0} air miles: {Name}";
  }
}

public class CoachClassPassenger : Passenger
{
  public double CarryOnKG { get; set; }

  public override string ToString()
  {
    return $"Coach Class with {CarryOnKG:N2} KG carry on: {Name}";
  }
}