public PecelBebekTegal(BahanFactory bahanFactory)
        {
            this.bahanFactory = bahanFactory;

            Nama  = "Pecel Bebek Tegal";
            Bahan = bahanFactory.BikinBahan();
        }
        public PecelBebekJakarta(BahanFactory bahanFactory)
        {
            this.bahanFactory = bahanFactory;

            Nama  = "Pecel Bebek Jakarta";
            Bahan = bahanFactory.BikinBahan();
        }