What is LinkedList in Java?

A LinkedList in Java is a part of the Java Collections Framework and implements the List and Deque interfaces. It represents a sequence of elements where each element points to the next, allowing for efficient insertion and removal of elements. Unlike arrays, LinkedLists do not require a contiguous block of memory, making them more flexible in certain scenarios.

LinkedLists are particularly useful when you need to frequently add or remove elements from the middle of the list, as these operations can be done in constant time. They are composed of nodes, with each node containing a data field and pointers to the next and previous nodes.


LinkedList Java Collections List Deque Data Structure Java Programming

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