ANTAI-WLTMS-API/ConsoleApp2/ConsoleApp2/Animal.cs

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

namespace ConsoleApp2
{
    class Animal
    {
        public virtual void sound()
        {
            Console.WriteLine("make a sound.....");
        }
    }
    class Dog : Animal
    {
        public override void sound()
        {
            base.sound();
            Console.WriteLine("wangwangwang......");
        }
    }
    interface sound
    {
        void makeSound();
    }
    interface eat
    {
        void food();
    }
    class Cat : sound,eat
    {
        public void makeSound()
        {
            Console.WriteLine("miaomiaomiao.....");
        }
        public void food()
        {
            Console.WriteLine("eat cat food...");
        }

    }
}