C# 程序,用于检查一个节点是否为一个 LinkedList 链表


使用 Contains() 方法,检查一个节点是否是 LinkedList 链表。

这是我们的 LinkedList 链表。

string [] students = {"Beth","Jennifer","Amy","Vera"};
LinkedList<string> list = new LinkedList<string>(students);

现在,为了检查节点“Amy”是否在链表中,我们将使用 Contains() 方法,如下所示 −

list.Contains("Amy")

该方法将返回一个布尔值,在本例中为 True。

让我们看看完整的代码。

示例

 在线演示

using System;
using System.Collections.Generic;
class Demo {
   static void Main() {
      string [] students = {"Beth","Jennifer","Amy","Vera"};
      LinkedList<string> list = new LinkedList<string>(students);
      foreach (var stu in list) {
         Console.WriteLine(stu);
      }
      // adding a node at the end
      var newNode = list.AddLast("Emma");
      // adding a new node after the node added above
      list.AddAfter(newNode, "Matt");
      Console.WriteLine("LinkedList after adding new nodes...");
      foreach (var stu in list) {
         Console.WriteLine(stu);
      }
      Console.WriteLine("Is Student Amy (node) in the list?: "+list.Contains("Amy"));
      Console.WriteLine("Is Student Anne (node) in the list?: "+list.Contains("Anne"));
   }
}

输出

Beth
Jennifer
Amy
Vera
LinkedList after adding new nodes...
Beth
Jennifer
Amy
Vera
Emma
Matt
Is Student Amy (node) in the list?: True
Is Student Anne (node) in the list?: False

更新于:23-6月-2020

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