---
comments: true
icon: material/stack-overflow
---

# Chapter 5.   Stack and Queue

![Stack and Queue](../assets/covers/chapter_stack_and_queue.jpg){ class="cover-image" }

!!! abstract

    Stacks are like stacking cats, while queues are like cats lining up.

    They represent LIFO (Last In First Out) and FIFO (First In First Out) logic, respectively.

## Chapter contents

- [5.1   Stack](stack.md)
- [5.2   Queue](queue.md)
- [5.3   Double-Ended Queue](deque.md)
- [5.4   Summary](summary.md)