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双向链表是一种数据结构,每个节点包含两个指针,一个指向前一个节点,一个指向后一个节点。在C#中,可以使用以下方法来遍历双向链表:
using System; public class Node { public int data; public Node prev; public Node next; public Node(int d) { data = d; prev = null; next = null; } } public class DoublyLinkedList { public Node head; public void TraverseForward() { Node current = head; while (current != null) { Console.Write(current.data + " "); current = current.next; } Console.WriteLine(); } public void TraverseBackward() { Node current = head; while (current.next != null) { current = current.next; } while (current != null) { Console.Write(current.data + " "); current = current.prev; } Console.WriteLine(); } // Other methods to add, delete, search, etc. }
在上面的代码中,我们定义了一个Node
类来表示双向链表的节点,其中包含数据和前后指针。然后定义了一个DoublyLinkedList
类来管理双向链表,包含了两个方法TraverseForward
和TraverseBackward
来遍历链表的前向和后向方向。您可以根据需要在DoublyLinkedList
类中实现其他方法,如添加、删除、搜索等。