泛型實例-1

1. 
    

   using System;
   using System.Data;
   using System.Configuration;
   using System.Web;
   using System.Web.Security;
   using System.Web.UI;
   using System.Web.UI.WebControls;
   using System.Web.UI.WebControls.WebParts;
   using System.Web.UI.HtmlControls;
   using System.Collections.Generic;
   
   /**//// <summary>
   /// Summary description for testGenericList
   /// </summary>
   public class GenericList<T>
   {
   
       private class Node
       {      
           private Node next;
           public Node Next
           {
               get { return next; }
               set { next = value; }
           }
   
           private T data;
           public T Data
           {
               get { return data; }
               set { data = value; }
           }
           public Node(T t)
           {
               next = null;
               data = t;
           }
       }
   
   
       private Node head;
   
       public GenericList()
       {
           head = null;
       }
   
       public void AddHead(T t)
       {
   
           Node n = new Node(t);//New 一個新Node參數為 t
           n.Next = head;//新節點的Next賦值為Null-------------因為 head = null;
           head = n;//GenericList的Head節點插入新節點n
       }
   
       //迭代一個泛型集合
       public IEnumerator<T> GetEnumerator()
       {
           Node current = head;
   
           while (current != null)
           {
               yield return current.Data;
               current = current.Next;
           }
       }
   
   }