Introduction to Doubly Linked List | What is Doubly Linked List in Hindi

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Doubly linked list is a popular data structure that consists of a list of items with a data element and two pointers. First pointer points to the previous element in the list and the other pointer points to the next element in the list. This makes it possible to traverse the list in both forward and backward directions, hence the name "doubly linked".
Doubly linked lists have several advantages over other data structures such as arrays. They allow for constant time insertions and deletions in the middle of the list because you can easily update the pointers of the previous and next nodes to bypass the node being inserted or deleted. Arrays, on the other hand, require shifting all the elements to fill the gap left by the deleted element or make room for the new element, which is a slow operation.
Doubly linked lists also have dynamic size, meaning they can grow or shrink in size during runtime as elements are added or removed. This makes them a good choice when the size of the list is not known beforehand or when the size changes frequently.
In summary, a doubly linked list is a useful data structure when you need to traverse a list of elements in both forward and backward directions, and when you need to insert or delete elements quickly in the middle of the list.
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