asp.net教程：ASP.NET基础教程(二)：类和对象的区别

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

namespace CObject
{
    class Program
    {
        static void Main(string[] args)
        {
            
            Console.WriteLine("请输入学生对象的类型（Schoolchild，M_Student，Undergraduate）");           
            string type = Console.ReadLine();
            Console.WriteLine("请输入学生对象的体重");
            string height = Console.ReadLine();
            Console.WriteLine("请输入学生对象的类型代号（1代表Schoolchild，2代表M_Student，3代表Undergraduate）");
            int num = Convert.ToInt32(Console.ReadLine());            
            switch (num)
            {
                case 1:
                    Schoolchild sc = new Schoolchild(type, height);
                    Console.WriteLine("你创建一位名字叫"+Schoolchild.name+"的人");
                    Console.WriteLine("他是一名"+sc.type);
                    Console.WriteLine("他的身高是"+sc.height+"cm");
                    Console.WriteLine(Schoolchild.Message);
                    break;
                case 2:
                    M_Student ms = new M_Student(type, height);
                    Console.WriteLine("你创建一位名字叫" + M_Student.name + "的人");
                    Console.WriteLine("他是一名" + ms.type);
                    Console.WriteLine("他的身高是" + ms.height + "cm");
                    Console.WriteLine(M_Student.Message);
                    break;
                case 3: 
                    Undergraduate un=new Undergraduate(type, height);
                    Console.WriteLine("你创建一位名字叫" + Undergraduate.name + "的人");
                    Console.WriteLine("他是一名" + un.type);
                    Console.WriteLine("他的身高是" + un.height + "cm");
                    Console.WriteLine(Undergraduate.Message);
                    break;
                default:
                    Console.WriteLine("对不起，你输入有误，请重新输入！！");
                    break;
               
            }
            Console.ReadLine();
        }

    }
    class Schoolchild  //小学生类
    {
        internal static string name = "小明";
        internal static string Message = "小明在小学校园捡到一分钱";
        internal string type;//学生类型       
        internal string height;//身高
        internal Schoolchild(string type, string height)
        {
            this.type = type;
            this.height = height;
        }
    }
    class M_Student //中学生类
    {
        internal static string name = "小红";
        internal static string Message = "小红在中学校园捡到一块钱";
        internal string type;//学生类型       
        internal string height;//身高
        internal M_Student(string type, string height)
        {
            this.type = type;
            this.height = height;
        }
    }
    class Undergraduate //大学生类
    {
        internal static string name = "类菌体";
        internal static string Message = "类菌体在大学校园捡到一百块钱";
        internal string type;//学生类型       
        internal string height;//身高
        internal Undergraduate(string type, string height)
        {
            this.type = type;
            this.height = height;
        }
    }
}