多态

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

namespace day06
{
    public class Fu
    {
        public virtual void Cut() {

            Console.WriteLine("父类");
        }

    }
}

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

namespace day06
{
    public class Zi1:Fu
    {
        public override void Cut()
        {
            Console.WriteLine("理发师");

        }

    }
}

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

namespace day06
{
    class Program
    {
        static void Main(string[] args)
        {
            List<Fu> list = new List<Fu>()
            {
                new Zi1(),        
            };


            foreach (Fu person in list)
            {
                person.Cut();
            }
            Console.ReadKey();
        }
    }
}