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developer-roadmap/roadmaps/java/content/dequeue@DWO2-EPIUeKK5aQGiTuKc.md
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Arik Chakma 274082fd77 feat: clean roadmap content and sync scripts (#10181)
* refactor: clean to roadmap content

* refactor: move shared helpers into scripts/lib
2026-07-28 05:45:17 +06:00

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# Dequeue
A Dequeue (pronounced "dee-queue") is a double-ended queue, a data structure that allows you to add and remove elements from both the front (head) and the back (tail) of the queue. Unlike a regular queue (FIFO - First-In, First-Out), a dequeue provides flexibility for both FIFO and LIFO (Last-In, First-Out) operations. This makes it useful for implementing various algorithms and data management tasks where elements need to be accessed or modified from either end.
Visit the following resources to learn more:
- [@article@Java Deque Tutorial](https://jenkov.com/tutorials/java-collections/deque.html)
- [@article@Java Deque](https://www.programiz.com/java-programming/deque)