A one doubly attached list is a linear data structure, in i beg your pardon the aspects are stored in the type of a node. Every node includes three sub-elements. A data component that shop the worth of the element, the previous part that shop the guideline to the previous node, and also the next component that stores the pointer to the next node as shown in the listed below image:

You are watching: Circular doubly linked list c++

The very first node additionally known as HEAD is always used together a recommendation to traverse the list. Last element contains attach to the very first element as next and the first element contains link of the last aspect as previous. A circular doubly linked can be visualized together a chain of nodes, where every node points to previous and next node.

## Implementation of one Doubly connected List

### Representation:

In C, a node can be created using structure. In C++, one doubly linked list deserve to be created using a class and a Node making use of structures. The LinkedList course contains Node as course member.

In Java, Python, C# and PHP, circular doubly linked list deserve to be stood for as a class and also a Node together a different class. The LinkedList class contains a reference of Node course type.

# node structureclass Node: #constructor to produce a new node def __init__(self, data): self.data = data self.next = no one self.prev = None#class linked Listclass LinkedList: #constructor to produce an north LinkedList def __init__(self): self.head = None
//node structureclass Node public int data; public Node next; publicly Node prev;;class LinkedList windy Node head; //constructor to develop an empty LinkedList windy LinkedList() head = null; ;
//node structureclass Node windy \$data; public \$next; public \$prev;class LinkedList public \$head; //constructor to produce an north LinkedList public duty __construct() \$this->head = null; ;

### Create a circular Doubly linked List

Let us create a simple circular doubly attached list which consists of three data nodes.

### Traverse a circular Doubly connected List

A circular doubly connected list have the right to be traversed from any node that the list making use of a temp node. Store on moving the temp node come the following one and also displaying its content. Avoid the traversal, after reaching the starting node.