static void Main(string[] args)
{
Ingredient maBoisson = new The();
maBoisson = new Creme(maBoisson);
maBoisson = new Sucre(maBoisson);
Ingredient taBoisson = new Expresso();
taBoisson = new Chocolat(taBoisson);
taBoisson = new Creme(taBoisson);
Console.WriteLine("Mon the coute : " + maBoisson.getPrix().ToString());
Console.WriteLine("Ton café coute : " + taBoisson.getPrix().ToString());
Console.ReadLine();
}