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# Chapter 3.   Data Structures

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![Data Structures](../assets/covers/chapter_data_structure.jpg){ class="cover-image" }

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!!! abstract

    Data structures serve as a robust and diverse framework.

    They offer a blueprint for the orderly organization of data, upon which algorithms come to life.

## Chapter Contents

- [3.1 &nbsp; Classification of Data Structures](https://www.hello-algo.com/en/chapter_data_structure/classification_of_data_structure/)
- [3.2 &nbsp; Fundamental Data Types](https://www.hello-algo.com/en/chapter_data_structure/basic_data_types/)
- [3.3 &nbsp; Number Encoding *](https://www.hello-algo.com/en/chapter_data_structure/number_encoding/)
- [3.4 &nbsp; Character Encoding *](https://www.hello-algo.com/en/chapter_data_structure/character_encoding/)
- [3.5 &nbsp; Summary](https://www.hello-algo.com/en/chapter_data_structure/summary/)