“Base” Respostas de código

Base

class Print2D
    {
        public int X { get; set; }
        public int Y { get; set; }
        public Print2D(int y,int x)
        {
            X = x;
            Y = y;
            Console.WriteLine("2D");
        }
        public void Printing2D()
        {
            Console.WriteLine("X=\t"+X);
            Console.WriteLine("Y=\t"+Y);
        }
    }
    class Print3D:Print2D
    {
        public int X { get; set; }
        public int Y { get; set; }
        public int Z { get; set; }
        public Print3D(int x,int y,int z) : base(x,y)
        {
            Z = z;
            Console.WriteLine("3D");
        }
        public void Printing3D()
        {
            base.Printing2D();
            Console.WriteLine("Z=\t" + Z);
        }
    }
    class Program
    {
        static void Main(string[] args)
        {
            Print3D p3d = new Print3D(4,5,6);
            p3d.Printing3D();
        }
    }