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Top 9 Programming Languages of 2021

If you're new to software development, the hardest part of learning programming is deciding where to start. There are hundreds of widely used programming languages, each with its own complexity and unique features.

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The good news is that as you begin your journey as a software developer, you will begin to discover which programming language best suits you, your interests, and your career goals.

Top 9 Programming Languages of 2021
In the list below, we go over the best and most in-demand programming languages for many of the most common use cases, including web development, mobile development, game development, and more.


1. JavaScript
It's impossible to be a software developer these days without using JavaScript. According to Stack Overflow's  2020 Developer Survey, JavaScript has been the most popular language among developers for eight consecutive years. About 70 percent of those surveyed openly stated that they used JavaScript in the past year.

Along with HTML and CSS, JavaScript is essential for front-end web development. From Facebook and Twitter to Gmail and YouTube, many of the most popular sites on the web use JavaScript to create interactive web pages and dynamically display content to users.

Although JavaScript is primarily a front-end language that runs in the browser, it can also be used server-side via Node.js to build scalable network applications. Node.js is compatible with Linux, SunOS, Mac OS X and Windows.

JavaScript is one of the easiest programming languages for beginners as it has a flexible syntax and works in all major browsers.


2. Swift
If you're interested in Apple products and mobile app development, Swift is a good place to start programming. First announced by Apple in 2014, Swift is a relatively new programming language used to develop iOS and macOS applications.

Swift is optimized for performance and built from the ground up to match the realities of modern iOS development. Not only does iOS run on every iPhone and iPad, it also forms the basis of other operating systems such as watchOS (for Apple Watch) and tvOS (for Apple TVs). Also, considering that Apple is the technology industry leader, iOS apps remain the most profitable in the mobile app market.


3. Scale
If you are familiar with Java, a classical programming language in its own right, I recommend checking out its modern cousin, Scala. Scala combines the best features of Java (like Object Oriented Structure and the lightning-fast JVM runtime environment) with a modern twist.

As a functional programming language, Scala allows engineers to evolve the quality of their code to resemble pure mathematics. Scala allows concurrent programming by allowing complex procedures to be executed in parallel. 


4. Go
One of the primary languages preferred by Google, Go is an easy language to learn and understand. A low-level language, Go is ideal for engineers who want to enter the field of systems programming. It covers most of the same functionality of C and C++ without the difficult syntax and steep learning curve. It is an excellent language for building web servers, data pipelines, and even machine learning packages.

Being a compiled language, Go provides a very fast uptime. It is an open source language and its developer community is very active.


5. Python
Python is perhaps the most user-friendly programming language on this list. Python's syntax is easy to understand. With these features, it is a popular choice for beginners in Python as well as Java.

Also, like Java, Python has a variety of applications that make it a versatile and powerful option when choosing the best programming language for your use case. For example, if you're into back-end development, the open-source Django Framework written in Python is very popular, easy to learn, and feature-rich. It has been used in the development of some popular sites such as Django, Mozilla, Instagram and Spotify.

Python also has packages such as NumPy and SciPy that are widely used in scientific computing, math, and engineering. Other Python libraries such as TensorFlow, PyTorch, scikit-learn, and OpenCV are used to build programs in data science, machine learning, image processing. Python's science and data applications make it a great choice for the academically inclined.


6. Elm
One of the youngest languages on our list, software that started as a Harvard student's thesis has now become a passion point for front-end developers worldwide.

Elm is ideal for building fast-running user interfaces with zero errors at runtime by compiling JavaScript. Elm is a functional programming language that allows interfaces to be created.


7. Ruby
Ruby is another widely used language for web development. Specifically, the most popular web Framework is Ruby on Rails.

Beginners often turn to Ruby because it has one of the friendliest and most helpful user communities. .

In addition to its active community and simplicity, Ruby is a language to learn thanks to its association with great tech businesses. Twitter, Airbnb, Bloomberg, Shopify, and countless other startups have built their websites using Ruby on Rails at one point.


8. C#
Like C++, C# (pronounced C Sharp) is a general-purpose, object-oriented language built on the foundations of C. It was designed by Microsoft as part of the .NET framework for building Windows applications.

C# uses a similar syntax to other C-derived languages like C++, so C# is easy to learn if you are proficient in another language in the C family. C# is a language used not only for Microsoft application development, but also for mobile developers to build cross-platform applications on the Xamarin platform.

Additionally, anyone interested in VR development should consider learning C#. C# is a recommended language for creating 3D and 2D video games using the popular Unity game engine, which produces one-third of the best games on the market.


9. Rust
Stack Overflow's  2020 Developer Survey   has been the most popular programming language among developers for the fifth year in a row, with 86.1 percent of Rust developers continuing to work with it. It should not be forgotten that he stated that he wanted to do it.

Developed by Mozilla Corporation, Rust, like C and C++, is primarily designed for low-level systems programming. What Rust adds to the mix is an emphasis on speed and security. Rust aims to write "safe code" by preventing programs from accessing parts of memory that they shouldn't.

 While it is a bit more difficult to master than other beginner languages, Rust programming skills are likely to pay off generously, as the language's popularity will continue to grow in the near future.


Code Time
When deciding which programming language to learn, it's important not to get caught up in flashy trends and popularity contests. The best programming languages to learn in 2021 are probably the same as the best to learn in 2017 and 2018, and that will continue to be the case for the next few years.

Although the field of computer programming is rapidly changing, the languages we discussed above have great staying power. By learning one or more of these languages, you will be in an excellent position not only this year, but also in the years to come.

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