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Introduction

A data structure is a way to store and organize data so that it can be used efficiently.

A data structure is a collection of data values, the relationship among them, and the functions or operations that can be applied to data.

Why learn data structure?

Almost every application we build involves data that is modelled in a certain way.

To efficiently manage that data, we need data structures

Imagine walking into a library only to find out there is no efficient organization of the books and they are stored randomly.

The difference between a function taking a few milliseconds vs a few seconds or even minutes comes down to the selection of the right data structure.

Data structures help you solve problems in a more efficient way, both in terms of time and memory.

Learning about data structures also help us gain a more profound understanding of things we are already aware of. - DOM: it uses the Tree and data structures - Browser back and forward: it uses the Stack data structure - OS job scheduling: it uses the Queue data structure.

In this series of Data structures we will learn about the various types of data structures such as built-in structures [Arrays, Objects, Sets, Maps] and Custom data structures [Stacks, Queues, Circular Queues, Linked list, Hash Table, Trees, Graphs].

Prerequisites of this series of tutorials

  • Modern JavaScript

    • Fundamentals of JavaScripts
    • Advanced JavaScript
    • Important Features of ES6
  • JavaScript Algorithms [Optional]

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