Below are the key topics on doubly linked list.

1. Introduction of Doubly Linked List (DLL)
2. Delete operation in doubly linked list
3. Reverse a Doubly Linked List
4. Iterator for Doubly Linked List

 

Apart from these post, you may write the similar logic for doubly linked list based on the below singly linked list topics.

• Implementation of Index based Linked List.
• Find the middle element of a Singly Linked List.
• Remove duplicate node from linked list.
• Merge sort for Linked List in Java.
• Rotation of Linked List.
• Intersection of two linked lists.