using System;

namespace test
{
    class Animal
    {
        public void Eat()
        {
            Console.WriteLine("Animal eating");
        }
    }

    class Man : Animal
    {
        public new void Eat()   //继承后重写 Eat 使用new
        {
            Console.WriteLine("Man eating");
        }

        public sealed void Walk()  //封装Walk方法，继承后不能重写
        {
            Console.WriteLine("Man Walk !");
        }
    }



    class Program
    {
        static void Main()
        {
            Man q = new Man();
            q.Eat();
        }
    }
}