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The Most Popular Programming Languages to Learn in 2021

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If you are interested in learning programing languages, which is amazing thing to do in 2021.

You don’t want to waste your time. If you’re going to put aside the time and energy needed to learn new programming languages, you want to make sure, without a doubt, that the ones you choose are the most wanted by the market. 

In this article we want to list the most popular programming language to learn in 2021.

1. JavaScript

JavaScript is among the most powerful and flexible programming languages of the web. It powers the dynamic behaviour on most websites, including this one.

Other uses of JavaScript:

  • Building mobile apps
  • Game development
  • Building web servers

According to Stack Overflow’s 2021 Developer Survey, JavaScript currently stands as the most commonly-used language in the world (64.96%), followed by HTML/CSS (56.07%).

JavaScript is the most common coding language in use today around the world. This is for a good reason: most web browsers utilize it and it’s one of the easiest languages to learn. JavaScript requires almost no prior coding knowledge once you start learning, you can practice and play with it immediately. 

Resources to learn JavaScript


HTML (HyperText Markup Language) is the most basic building block of the Web. It defines the meaning and structure of web content.

Uses in:

  • Web documents 
  • Website development 
  • Website maintenance

It’s basic and essential to learn if you want to build website.

Resources to learn HTML

3. CSS

CSS is the language we use to style an HTML document. It describes how HTML elements should be displayed.

Use for:

  • Web documents 
  • Website development 
  • Website design

It’s basic and essential to learn if you want to build website.

Resources to learn CSS :

4. Python

Python is a programming language. It can be used on a server to create web applications.

Use for :

  • Back end development 
  • Data science 
  • App development
  • Artificial Intelligence.  

Python is a general-purpose programming language that empowers developers to use several different programming styles (i.e., functional, object-oriented, reflective, etc.) when creating programs. Several popular digital tools and platforms were developed with Python, including YouTube, Google Search and iRobot machines.

Resources to python :

5. Java

Java is among the most popular programming languages out there, mainly because of how versatile and compatible it is. it can be used for a large number of things, including software development, mobile applications, and large systems development. As of 2020, 89% market share of all smartphones run on Android, the mobile operating system written in Java. Knowing Java opens a great deal of doors for you as a developer

Use For :

  • Desktop GUI Applications.
  • Web-based Applications.
  • Gaming Applications.
  • Big Data Technologies.
  • Distributed Applications.
  • Cloud-based Applications.
  • IoT Applications.

Java’s popularity is for good reason; this language is relatively easy to learn and use, boasts incredible security and can handle massive amounts of data. These features make it an ideal language for the online finance sector, and it is often applied in industries such as banking, billing and the stock market. 

Resources to learn java

6. Kotlin

kotlin is Modern, concise and safe programming language it easy to pick up, so you can create powerful applications immediately.

Use for :

Build mobile apps for android and recently they add feature to build IOS application

Resources to learn Kotlin:

7. C#

C# (C-Sharp) is a programming language developed by Microsoft that runs on the .NET Framework.

C# is used to

  • develop web apps
  • desktop apps
  • mobile apps
  • games and much more.

As with other popular languages, an enormous community works with C# and offers support to new learners, because of this, learning C# may be easier than attempting to learn some of the newer and less-documented languages.

Plus, C# is ideal for building ever-more-popular mobile apps and games. There’s little doubt that this language will continue to be useful in the coming years. 

Resources for learn c# :

8. PHP

It is widely used for server-side web development, when a website frequently requests information from a server,

it benefits from a large ecosystem of users who have produced frameworks, libraries, and automation tools to make the programming language easier to use. it’s easy to debug.

Use for :

  • Web Pages and Web-Based Applications
  • Web Content Management Systems
  • eCommerce Applications
  • GUI-Based Applications
  • Image Processing and Graphic Design
  • Data Representation

Resources to learn php :

9. Swift

Swift is a powerful and intuitive programming language for iOS, iPadOS, macOS, tvOS, and watchOS. Writing Swift code is interactive and fun, the syntax is concise yet expressive, and Swift includes modern features developers love. Swift code is safe by design, yet also produces software that runs lightning-fast.

Resources to learn swift :

10. R

R is heavily used in statistical analytics and machine learning applications. The language is extensible and runs on many operating systems. Many large companies have adopted R in order to analyze their massive data sets, so programmers who know R are in great demand. 

The R environment

R is an integrated suite of software facilities for data manipulation, calculation and graphical display. It includes

  • an effective data handling and storage facility,
  • a suite of operators for calculations on arrays, in particular matrices,
  • a large, coherent, integrated collection of intermediate tools for data analysis,
  • graphical facilities for data analysis and display either on-screen or on hardcopy, and
  • a well-developed, simple and effective programming language which includes conditionals, loops, user-defined recursive functions and input and output facilities.

Resources to learn swift:

11. GO

Go is an open source programming language that makes it easy to build simple, reliable, and efficient software.

Use for:

  • Audio/video editing 
  • System/network programming 
  • Big Data

Resources to learn GO:

12. Dart

Dart is a client-optimized language for fast apps on any platform

Use for:

  • Build android and IOS apps.
  • In machine learning algorithms

Resources to learn Dart:

Disclosure: learning programming language is easy but you need to put time and be patient with it.

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