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# Chapter 4. &nbsp; Arrays and linked lists

![Arrays and linked lists](../assets/covers/chapter_array_and_linkedlist.jpg){ class="cover-image" }

!!! abstract

    The world of data structures resembles a sturdy brick wall.

    In arrays, envision bricks snugly aligned, each resting seamlessly beside the next, creating a unified formation. Meanwhile, in linked lists, these bricks disperse freely, embraced by vines gracefully knitting connections between them.

## Chapter contents

- [4.1 &nbsp; Array](array.md)
- [4.2 &nbsp; Linked list](linked_list.md)
- [4.3 &nbsp; List](list.md)
- [4.4 &nbsp; Memory and cache](ram_and_cache.md)
- [4.5 &nbsp; Summary](summary.md)
