The 7 most popular programming languages in 2021
As the technology ecosystem evolves, so does the core of every computer program, application, device, or system, namely programming languages. As new requirements emerge, new programming languages also come to the fore that have been developed for these requirements or that are specifically tailored to these requirements. There are different programming language rankings (PYPL, TIOBE, Stackoverflow, etc.) that are updated every year and take into account many factors including diffusion, simplicity, generality vs. specificity and, last but not least, how useful a particular programming language is to a job or get a raise! And the Tops of the Pops for 2021 are ...
The widespread use of Python, which is undoubtedly one of the most widely used languages, is due to its simplicity. Python is not a complex, complicated language. On the contrary, it is quite easy to learn. Its flexibility means you can do almost anything, and there are an enormous number of libraries that come with it. Another factor to consider is that Python can be successfully used for trending technologies such as artificial intelligence, machine learning, and data analysis. And of course you can find it everywhere: more than 80% of all websites are built with Python. Developers, include Python on your resume!
3. C / C ++
C and C ++ may be old, but they are by no means out of date! They are still used in many companies and systems (C ranks # 1 in the Tiobe index in 2021 and C ++ ranks # 4). One of the great advantages of learning them is that many other programming languages are based on, or inspired by, C and / or C ++. So when you learn them, it's really easier to learn other languages too. Compared to other programming languages, both C and C ++ are low-level languages and are therefore closer to the hardware and are particularly suitable for programming hardware resources. But they can also be used for game, GUI, operating system development, etc., they are really all-purpose languages (and uses).
Another great classic! Java is used by approximately 8 million developers around the world and is really widespread thanks to its “Write Once Run Everywhere” approach (ie the code does not have to be recompiled, it can be used on all platforms that support Java) . If we had to go into a language comparison, we could say that Java is certainly one of the most successful languages of all time! That it's so popular also means that it has a huge community to support and a really rich library. It is placed quite high in both the TIOBE and the PYPL charts. Becoming a Java Master will surely help you in your career!
R can be viewed as a technical language. It can be used as a general purpose language, but it is particularly good for numerical and statistical analysis. As such, it has great success in the machine learning and data science areas that are on the rise at the moment. So we can expect a huge increase in popularity for this programming language. R is also good for people who don't want to be programmers but want to do numerical analysis. So it can be used by scientists, engineers, statisticians, finance gurus, etc. Plus, it's open source so you don't have to pay to use it.
Kotlin is THE programming language for Android developers (Google declared Kotlin the official Android language in 2017, alongside Java). Kotlin is a universal, open source, cross-platform language that is 100% compatible with the Java programming language and is used by 60% of professional Android developers. It can also be used for web development and desktop applications. As a plus, there is a growing, thriving community ready to give you support and help you solve any problem.
Much like Kotlin being a language for Android apps, Swift was designed specifically for iOS. As the name suggests, Swift is known to be really easy and fast, much faster than Python when developing Apple apps for example. And if you want to learn, Apple created the Swift Playground, an app that helps you learn the basics of Swift while having fun too.
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