要从LinkedList中删除第一次出现的指定值,代码如下-
using System;
using System.Collections.Generic;
public class Demo {
   public static void Main(){
      LinkedList<string> list = new LinkedList<string>();
      list.AddLast("A");
      list.AddLast("B");
      list.AddLast("C");
      list.AddLast("A");
      list.AddLast("E");
      list.AddLast("F");
      list.AddLast("A");
      list.AddLast("H");
      list.AddLast("A");
      list.AddLast("j");
      Console.WriteLine("Count of nodes = " + list.Count);
      Console.WriteLine("Elements in LinkedList... (Enumerator iterating through LinkedList)");
      LinkedList<string>.Enumerator demoEnum = list.GetEnumerator();
      while (demoEnum.MoveNext()) {
         string res = demoEnum.Current;
         Console.WriteLine(res);
      }
      list.Remove("A");
      Console.WriteLine("Count of nodes = " + list.Count);
      Console.WriteLine("Elements in LinkedList... (Enumerator iterating through LinkedList)");
      demoEnum = list.GetEnumerator();
      while (demoEnum.MoveNext()) {
         string res = demoEnum.Current;
         Console.WriteLine(res);
      }
   }
}输出结果
这将产生以下输出-
Count of nodes = 10 Elements in LinkedList... (Enumerator iterating through LinkedList) A B C A E F A H A j Count of nodes = 9 Elements in LinkedList... (Enumerator iterating through LinkedList) B C A E F A H A j
让我们看另一个例子:
using System;
using System.Collections.Generic;
public class Demo {
   public static void Main(){
      LinkedList<string> list = new LinkedList<string>();
      list.AddLast("One");
      list.AddLast("Two");
      list.AddLast("Three");
      list.AddLast("Three");
      list.AddLast("Three");
      list.AddLast("Four");
      Console.WriteLine("Count of nodes = " + list.Count);
      Console.WriteLine("Elements in LinkedList... (Enumerator iterating through LinkedList)");
      LinkedList<string>.Enumerator demoEnum = list.GetEnumerator();
      while (demoEnum.MoveNext()) {
         string res = demoEnum.Current;
         Console.WriteLine(res);
      }
      list.Remove("Three");
      Console.WriteLine("Count of nodes = " + list.Count);
      Console.WriteLine("Elements in LinkedList... (Enumerator iterating through LinkedList)");
      demoEnum = list.GetEnumerator();
      while (demoEnum.MoveNext()) {
         string res = demoEnum.Current;
         Console.WriteLine(res);
      }
   }
}输出结果
这将产生以下输出-
Count of nodes = 6 Elements in LinkedList... (Enumerator iterating through LinkedList) One Two Three Three Three Four Count of nodes = 5 Elements in LinkedList... (Enumerator iterating through LinkedList) One Two Three Three Four