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Top Programming Languages In Demand in 2021

The 10 Most Popular Programming Languages to Learn in 2021

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What’s more, the median annual pay for a software programmer is about $106,000, which is nearly three times the median pay for all U.S. workers.

Programming languages and computer coding have made life simpler for us. Whether it’s automobiles, banks, home appliances, or hospitals, every aspect of our lives depends on codes. No wonder, coding is one of the core skills required by most well-paying jobs today. Coding skills are especially of value in the IT, data analytics, research, web designing, and engineering segments. 

The ever-growing list of programming languages and protocols can make it tough for programmers and developers to pick any one language that’s most suitable for their jobs or project at hand. Ideally, every programmer should have knowledge of a language that’s close to the system (C, Go, or C++), a language that’s object-oriented (Java or Python), a functional programming language (Scala), and a powerful scripting language (Python and JavaScript). 

1.  Python

Drawbacks: Python is not suitable for mobile application development.

Common uses: Python is used in a wide variety of applications, including artificial intelligence, financial services, and data science. Social media sites such as Instagram and Pinterest are also built on Python.

2.  Kotlin

Kotlin is a general-purpose programming language with type inference. It is designed to be completely interoperable with Java. Moreover, from the time Android announced it as its first language, Kotlin offers features that developers ask for. It effortlessly combines object-oriented and functional programming features within it.

3.  Java

Benefits: Java is the programming language most commonly associated with the development of client-server applications, which are used by large businesses around the world. Java is designed to be a loosely coupled programming language, meaning that an application written in Java can run on any platform that supports Java. As a result, Java is described as the “write once, run anywhere” programming language.

Drawbacks: Java is not ideal for applications that run on the cloud, as opposed to the server (which is common for business applications). In addition, the software company Oracle, which owns Java, charges a licensing fee to use the Java Development Kit.

Common uses: Along with business applications, Java is used extensively in the Android mobile operating system.

4.  JavaScript/ NodeJS

JavaScript (also known as NodeJS) is a popular language among developers who need to work on server-side and client-side programming. It is compatible with several other programming languages, allowing you to create animations, set up buttons, and manage multimedia. 

Owing to its high speed and regular annual updates, JavaScript is an ultimate hit in the IT domain. Reputed firms like Netflix, Uber, PayPal, and several startups use JavaScript to create dynamic web pages that are secure and fast. In fact, the 2018 Developer Skills Report by HackerRank shares that JavaScript is the top programming skill required by companies today. 

5.  TypeScript

TypeScript, a superset of JavaScript is an object-oriented language that was introduced to extend the capabilities of JS. The language makes it easy for developers to write and maintain codes. TypeScript offers a complete description of each component of the code and can be used for developing large applications with a strict syntax and fewer errors. 

Further, it is well-structured and easy to learn. Its extended toolbox makes application development quick. Owing to the benefits it offers, TypeScript is expected to supercede JS in 2020, making it one of the most sought-after programming languages in the future. 

6.  Go

Go is fairly a new system-level programming language that has a focused vocabulary and simple scoping rules. It blends the best aspects of functional programming and object-oriented styles. Go is the fastest-growing language on Github, meant to replace languages like Java and C++. 

A Stack Overflow survey reveals that Go is the fifth most preferred language among developers today. This is because Go solves issues like slow compilation and execution in large distributed software systems. 

7.  Swift

Swift is a general-purpose compiled programming language developed by Apple that offers developers a simple and cohesive syntax. It is deeply influenced by Python and Ruby that’s fast, secure, and easy to learn. Owing to its versatility and practical applications, Swift has replaced Objective-C as the main language for Apple-related applications. 

Which Programming Language Should You Learn?

Some programmers are able to build a career out of being an expert in one language, but many programmers learn new languages frequently, Gorton says. It’s not uncommon for a professional programmer to be fluent in three or four different languages, he adds.

The type of software you want to develop is one consideration for which programming languages to learn. While there are no concrete rules for what language is used to write what software, a few trends offer some guidance: 

  • Web-based startups are more likely to be programming in Python and JavaScript.
  • Larger companies tend to develop their internal software applications using C# or Java and their Web applications using PHP.
  • Programs for data analytics typically use the R and MATLAB programming languages.
  • Embedded devices, such as those in the automotive and healthcare industries, run software written in C, C++, or Rust.
  • Applications that run on the cloud are increasingly written in Go or Scala.  
  • Mobile applications are increasingly written in Swift or Kotlin.

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