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
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
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