static void Main(string[] args) { Television laTeleDuSalon; //declaration laTeleDuSalon = new Television(); // initialisation par instanciation Television laTeleDuSalon2; //declaration laTeleDuSalon2 = new Television(true, 20); // initialisation par instanciation Console.WriteLine(laTeleDuSalon.ToString()); laTeleDuSalon.Allumer(); Console.WriteLine(laTeleDuSalon.ToString()); }