# Arrays Data Structure

## In this complete guide to Array Data Structures, you will learn about the basics of Arrays, how to get started with Array, learning, strategy, resources, problems, and much more.

Overview

Chapters

Reviews

FAQâ€™s

8

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2

Quizzes

88

Articles

60

Problems

Discover a smoother learning journey through our effortless roadmap

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## About the Complete Guide to Arrays

The dream of every programmer is to become not just a good, but also a great programmer. We all want to achieve our goals and to achieve our goals, we must have a great plan with us. In this context, we have decided to provide a complete guide for Arrays interview preparation, which will help you to tackle the problems that are mostly asked in the interview, such as What is an Array, What is Array in C language, How do you initialize an Array in C, How to sort an Array, etc. We have also covered the topics such as Top Theoretical interview questions and Top interview coding questions in this complete guide for Array interview preparation.

### Basic terminologies of array

While learning about Array Data Structures in this Complete Guide on Arrays, you will come across some common terms that will be used multiple times. Some of these terms are:

1. Array Index: In an array, elements are identified by their indexes. Array index starts from 0.
2. Array element: Elements are items stored in an array and can be accessed by their index
3. Array Length: The length of an array is determined by the number of elements it can contain.

## Why Array Data Structures is needed?

Assume there is a class of five students and if we have to keep records of their marks in examination then, we can do this by declaring five variables individual and keeping track of records but what if the number of students becomes very large, it would be challenging to manipulate and maintain the data.

## Reviews

This is a very good roadmap to understand the basics. This covers all types of data structures and Algorithms concepts. I am totally satisfied with the contents of this roadmap.

Sachin Motwani

The topics in this roadmap are explained clearly, and practice problems given were very helpful to implement the concepts learnt. Kudos to GeeksforGeeks!!!

Shreya Kumari

This roadmap has been a one-stop destination for my basics revision. GeeksforGeeks has touched all the important topics with the best approach. This roadmap has a huge role in getting me placed.

Potta Lokesh

The roadmap on GFG are well structured. The order of reading is awesome. It helped me a lot.

## FAQ's

How can I start this course?

You just need to click on the button that says START YOUR JOURNEY, and that's it. You will be taken to your first chapter.

Is this a language-specific course?

No. Majority topics in the course include implementations in popular programming languages like C, C++, Java, Python, C#, and Javascript.

Does the course include programming questions?

Yes, the course focuses on DS & Algo with a mix of theoretical topics and programming questions.

Can I learn DSA live?

Yes, we do have LIVE batched for DSA. You may call us on our toll-free number: +91-7838223507 or Drop us an email at courses@geeksforgeeks.org for any queries.