using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.IO;

namespace test
{
    class Class1
    {
        public virtual void Metoda()
        {
            Console.Write("Metoda1");
        }

    }

    class Class2:Class1
    {
        public override void Metoda()
        {
            Console.Write("Metoda2");
        }
    }

   /* public static void Main()
    {
        Class2 obj2 = new Class2();
        obj2.Metoda();

        Console.Write(",");

        Class1 obj1 = (Class1)obj2;
        obj1.Metoda();
    }*/

}