Builder.Director.Construct C# (CSharp) Method

        public void Construct(Builder builder)
        {
            builder.BuildPartA();
            builder.BuildPartB();
        }

        static void Main(string[] args)
        {
            Director director = new Director();
            Builder b1= new ConcreteBuilder1();
            Builder b2 = new ConcreteBuilder2();

            director.Construct(b1);
            Product p1 = b1.GetResult();
            p1.Show();

            director.Construct(b2);
            Product p2 = b1.GetResult();
            p2.Show();

            Console.ReadKey();
        }