C#查找链表的节点

using System;
using System.Collections.Generic;

class Program {

   static void Main() {

      LinkedList<string> myList = new LinkedList<string>();

      // Add 6 elements in the linked list
      myList.AddLast("P");
      myList.AddLast("Q");
      myList.AddLast("R");
      myList.AddLast("S");
      myList.AddLast("T");
      myList.AddLast("U");

      LinkedListNode<string> node = myList.Find("R");
      myList.AddAfter(node, "ADDED");

      foreach (var i in myList) {
         Console.WriteLine(i);
      }
   }
}