# What is a double ended linked list?

What is a double ended linked list? A double ended list is similar to an ordinary linked list, but it has one additional features: a reference to the last link as well as to the

## What is a double ended linked list?

A double ended list is similar to an ordinary linked list, but it has one additional features: a reference to the last link as well as to the first. In a doubly linked list each link has two references to other links instead of one. The first is to the next link, as in ordinary lists.

### Are duplicates allowed in linked list?

A LinkedList can store the data by use of the doubly Linked list. The LinkedList can have duplicate elements because of each value store as a node.

How do you print a double linked list backwards?

Approach:

1. Take a pointer to point to head of the doubly linked list.
2. Now, start traversing through the linked list till the end.
3. After reaching last node, start traversing in backward direction and simultaneously print the node->data.

How do you represent a double linked list?

1. Doubly Linked List contains a link element called first and last.
2. Each link carries a data field(s) and two link fields called next and prev.

## Why double linked list is called Two Way list?

A doubly linked list contains a pointer to the next node as well as the previous node. This ensures that the list can be traversed in both directions.

### Does linked list allow null values?

LinkedList allow any number of null values while LinkedHashSet also allows maximum one null element.

Can linked list have same values?

Two Linked Lists are identical when they have the same data and the arrangement of data is also the same. For example, Linked lists a (1->2->3) and b(1->2->3) are identical. .

Which is not a type of linked list?

Q. Which of the following is not a type of Linked List?