C# 系列，这里是C#高级编程里面的，里面用了个索引符，没有明白到是啥意思哦。今天太晚了不想弄了。

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

namespace ConsoleApplication1
{
    public class Studuent : IEnumerable
    {
        private object[] temp = new object[100];
        private string name;
        private int number;
        public Studuent()
        {
            this.name = null;
            this.number = 0;
        }
        public Studuent(string Name, int Number)
        {
            this.number = Number;
            this.name = Name;

        }

        public string this[uint i]
        {
            get
            {
                return temp[i];
 
            }
            set
            {
                temp[i] = value;
            }
        }

       

        #region IEnumerable 成员

        public IEnumerator GetEnumerator()
        {
            return new StudentEnumerator(this);
        }

        #endregion
    }

    public class StudentEnumerator : IEnumerator
    {
        Studuent theStudent;
        int location;

        public StudentEnumerator(Studuent thestudent)
        {
            this.theStudent = thestudent;
            location = -1;

        }

        #region IEnumerator 成员

        public object Current
        {
            get
            {
                if (location < 0 || location > 2)
                    throw new InvalidOperationException("不在集合中");
                return theStudent[(uint)location];

            }
        }

        public bool MoveNext()
        {
            ++location;
            return (location > 2) ? false : true;
        }

        public void Reset()
        {
            this.location = -1;
        }

        #endregion
    }
    class Program
    {
        static void Main(string[] args)
        {
            Studuent[] stu = new Studuent()[100];

        }
    }
}