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# Chapter 4.   Array and Linked List

![Array and Linked List](../assets/covers/chapter_array_and_linkedlist.jpg){ class="cover-image" }

!!! abstract

    The world of data structures is like a solid brick wall.

    Array bricks are neatly arranged, tightly packed one by one. Linked list bricks are scattered everywhere, with connecting vines freely weaving through the gaps between bricks.

## Chapter contents

- [4.1   Array](array.md)
- [4.2   Linked List](linked_list.md)
- [4.3   List](list.md)
- [4.4   Memory and Cache *](ram_and_cache.md)
- [4.5   Summary](summary.md)