35继承

基类

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

namespace jicheng
{
    class jizhui
    {
        public int tizhong;
        public int jizshu;
        public int tiwen;

        public int Tizhong
        {
            get
            {
                return tizhong;
            }
            set
            {
                if (value < 0)
                    tizhong = 0;
                else
                    tizhong = value;
            }
        }
        public int Jizshu
        {
            get { return jizshu; }
            set {
                if (jizshu < 0)
                    jizshu = 0;
                else
                    jizshu = value;
            }
        }
        public int Tiwen
        {
            get
            {
                return tiwen;
            }
            set
            {
                if (tiwen < 0)
                    tiwen = 0;
                else
                    tiwen = value;
            }
        }
        public void Huxi()
        {
            Console.WriteLine("呼吸");
        }
        public void Shuijiao()
        {
            Console.WriteLine("睡觉");
        }

    }
}

派生类

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

namespace jicheng
{
    class Program
    {
        static void Main(string[] args)
        {
            Mannel anmail = new Mannel();
            anmail.Huxi();
            anmail.Shuijiao();
            anmail.puru();
            anmail.Message();
        }
    }
    class Mannel:jizhui
    {
        public int age;
        public string qianzhi;
        public string houzhi;
        public int Age
        {
            get
            { return age; }
            set
            {
                age = value;
            }
        }
        public Mannel()
        {
            age = 5;
            qianzhi = "前肢";
            houzhi="后肢";
            tiwen = 30;
            tizhong = 100;
            jizshu = 32;
        }
        public void puru()
        {
            Console.WriteLine("哺乳");
        }
        public void Message()
        {
            Console.WriteLine("年龄", Age);
            Console.WriteLine("我有{0}和{1}",qianzhi,houzhi);
            Console.WriteLine("体温{0}",Tiwen);
        }
    }
}

派生类：基类