static void Main(string[] args)
{
Ingredient maBoisson = new The(null);
maBoisson = new Creme(maBoisson);
maBoisson = new Sucre(maBoisson);
Ingredient taBoisson = new Expresso(null);
taBoisson = new Chocolat(taBoisson);
taBoisson = new Creme(taBoisson);
Ingredient trucChelou = new Chocolat(null);
trucChelou = new Creme(trucChelou);
trucChelou = new The(trucChelou);
trucChelou = new Sucre(trucChelou);
Console.WriteLine("Ma boisson coute : " + maBoisson.getPrixFinale().ToString());
Console.WriteLine("Ta boisson coute : " + taBoisson.getPrixFinale().ToString());
Console.WriteLine("Mon truc Chelou coute : " + maBoisson.getPrixFinale().ToString());
Console.ReadLine();
}