using System;

namespace ConsoleApp1
{
    public class Program
    {
        public abstract class GenericDummy<T>
        {
            public abstract void Execute(T item);
        }

        public abstract class Dummy
        {
            public abstract void Execute(object item);
            public abstract void Execute(string item);
        }

        // Class that overrides Execute method and has self overload of Execute method
        internal class StringDummy : GenericDummy<string>
        {
            public void Execute(object item)
            {
                Console.WriteLine("Object triggered");
            }

            public override void Execute(string item)
            {
                Console.WriteLine("String overload triggered");
            }
        }

        // Class that overrides both overload methods
        internal class SimpleDummy : Dummy
        {
            public override void Execute(object item)
            {
                Console.WriteLine("Object override overload triggered");
            }

            public override void Execute(string item)
            {
                Console.WriteLine("String override overload triggered");
            }
        }

        // Class that has simple overload methods
        internal class SimpleOverload
        {
            public void Execute(object item)
            {
                Console.WriteLine("Object triggered");
            }

            public void Execute(string item)
            {
                Console.WriteLine("String triggered");
            }
        }

        private static void Main()
        {
            new SimpleDummy().Execute(null);    // OUTPUT: String override overload triggered
            new StringDummy().Execute(null);    // OUTPUT: Object triggered
            new SimpleOverload().Execute(null); // OUTPUT: String triggered

            Console.ReadLine();
        }
    }
}