自製List<T>

標籤：document   public   private   return   

-----------------------------------------ListStu.cs

using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Threading.Tasks;using System.Collections;namespace ConsoleApplication3{    public class ListStu<T>    {        private Queue<T> document = new Queue<T>();//執行個體隊列,用來存放對象        public T Add(T t)//添加        {            document.Enqueue(t);//向隊列中添加對象            return t;        }        public void Remove(int index)//刪除索引        {            Queue<T> q = new Queue<T>();            foreach (T item in document)            {                q.Enqueue(item);            }            document.Clear();//清空document            int i = 0;            foreach (T item in q)            {                if (index != i)                {                    document.Enqueue(item);                }                i++;            }            q.Clear();//清空q        }        public T this[int index] {//索引擷取值            get {                int i = 0;                foreach (T item in document)                {                    if (index == i)                    {                       return item;                    }                    i++;                }                return default(T);            }        }        public IEnumerator<T> GetEnumerator()//迭代器        {            foreach (var item in document)            {                yield return item;            }        }    }}

-----------------------------------------主程式

 ListStu<Student> sss = new ListStu<Student>();            sss.Add(new Student("張飛"));            sss.Add(new Student("關羽"));            sss.Remove(1);//移除關羽            foreach (var item in sss)            {                Console.WriteLine(item.Name);//輸出 張飛            }            Console.WriteLine();            Console.WriteLine(sss[0].Name);//輸出 張飛            Console.ReadKey();

本文出自 “程式猿的家” 部落格，請務必保留此出處http://962410314.blog.51cto.com/7563109/1528486

自製List<T>