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9 Best Languages to learn in 2021

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9 Best Languages to learn in 2021

If you’re new to the field of software development, the toughest part of learning programming is deciding where to begin. There are hundreds of programming languages in widespread use, each with its own complexities and idiosyncrasies.

The good news is that as you begin your journey as a software developer, you’ll start to discover which programming language will be most suitable for you, your interests, and your career goals.

However, one thing common to almost all these fields is the process of writing instructions in the form of code, commonly referred to as programming. This sits at the heart of computer science and gives it the power to create and remove things. With the number of existing programming languages reaching the three-digit mark, and as each programming job has its own specific set of requirements, it can be extremely daunting to figure out which language to learn.

To make your job easier, this article provides a list of the best programming languages to learn in 2021.

1. JavaScript

JavaScript is one of the most widely used languages, as it is considered the standard programming language of the web. It is used in almost every website you have seen on the Internet. JavaScript provides a syntax that allows it to be used in both the front-end and back-end sections of websites, showing the flexibility and power that it possesses. In addition to HTML and CSS, JavaScript offers a way that allows users to not only develop and design their websites but also make their websites more dynamic by adding functionalities to the elements present in the site. Moreover, Javascript is also the fundamental language used in web frameworks, such as React, Vue, and Node, making it the undisputed king in the web development department. 

It’s impossible to be a software developer these days without using JavaScript in some way. According to Stack Overflow's 2020 Developer Survey, JavaScript is the most popular language among developers for the eighth year in a row. Nearly 70 percent of survey respondents reported that they had used JavaScript in the past year.

Javascript Code Syntax

var x = myFunction(4, 3);   // Function is called, return value will end up in x

function myFunction(a, b) {
  return a * b;             // Function returns the product of a and b
}

 

2. Python

Python Language

For people just starting out with computer science in 2021, and even for those with some experience with this language, Python is something every programmer should be comfortable with. This language offers an intuitive and easy-to-learn syntax that makes it a popular choice among beginners and professionals alike. The beauty of Python is that it is extremely versatile, as it can almost be used anywhere. Whether you want to work on some back-end application of a website or mobile application, or you want to on some data science-related work, Python is critical to these tasks and many more

Python Syntax

f = open("demofile3.txt", "w")
f.write("Woops! I have deleted the content!")
f.close()

#open and read the file after the appending:
f = open("demofile3.txt", "r")
print(f.read())

 

3. Java

Java is another immensely popular programming language that, albeit being one of the oldest languages out there, is still highly in-demand. Java is often used in the work of large organizations.

One of the biggest reasons why Java is so popular is the platform independence. ... Java is fundamentally object-oriented. The code is so robust because Java objects contain no references to data external to themselves.

It is also widely used in Android development, which, considering the popularity that Android applications have garnered, makes Java a highly sought-after skill to have. Due to Java’s scalability, strong memory allocation, and high performance, companies like Amazon, Twitter, and Adobe are a few names that come under the list of users of this programming language, along with a million other repositories that can be found at GitHub.

Java Code Syntax

import java.io.File;  // Import the File class
import java.io.IOException;  // Import the IOException class to handle errors

public class CreateFile {
  public static void main(String[] args) {
    try {
      File myObj = new File("filename.txt");
      if (myObj.createNewFile()) {
        System.out.println("File created: " + myObj.getName());
      } else {
        System.out.println("File already exists.");
      }
    } catch (IOException e) {
      System.out.println("An error occurred.");
      e.printStackTrace();
    }
  }
}

 

4. Swift

Swift Language

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

Swift provides safeguards to prevent errors and improve readability. Fast. Swift was built with performance in mind. Not only does its simple syntax and hand-holding help you develop faster, it also lives up to its name: as stated on apple.com, Swift is 2.6x faster than Objective-C and 8.4x faster than Python.

func greet(person: String, alreadyGreeted: Bool) -> String {
    if alreadyGreeted {
        return greetAgain(person: person)
    } else {
        return greet(person: person)
    }
}
print(greet(person: "Tim", alreadyGreeted: true))
// Prints "Hello again, Tim!"

 

5. C/C++

C/C++ is among the fastest programming languages out there, providing a high level of functionality. This language is therefore used in the majority of low-level systems, such as operating systems, embedded systems, kernel development. C++ is one of the world's most popular programming languages. C++ can be found in today's operating systems, Graphical User Interfaces, and embedded systems. C++ is an object-oriented programming language which gives a clear structure to programs and allows code to be reused, lowering development costs. C++ is portable and can be used to develop applications that can be adapted to multiple platforms. C++ is fun and easy to learn!

As C++ is close to C# and Java, it makes it easy for programmers to switch to C++ or vice versa

C++/C code syntax

int x, y;
int sum;
cout << "Type a number: ";
cin >> x;
cout << "Type another number: ";
cin >> y;
sum = x + y;
cout << "Sum is: " << sum;

 

6. C#

C# is a programming language developed by Microsoft that has made quite a name for itself in the web and game development departments. 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. C# is most regularly used in the Unity software, which is one of the most popular game engine software used for building 2D and 3D video games. C# also plays a huge role in building Windows applications and has therefore been used at the back-end side of websites such as Bing, Visual Studio, etc.

C# code syntax

using System;

namespace HelloWorld
{
  class Program
  {
    static void Main(string[] args)
    {
      Console.WriteLine("Hello World!");    
    }
  }
}

 

7. PHP

PHP language

PHP is a server scripting language, and a powerful tool for making dynamic and interactive Web pages. PHP is a widely-used, free, and efficient alternative to competitors such as Microsoft's ASP. PHP 7 is the latest stable release. Despite the huge popularity that languages like Python and JavaScript have garnered in backend development, PHP is still going strong and continues to be used by large companies, including Facebook, Yahoo, and Wikipedia. There remains a huge demand for PHP developers in the market, as many websites (particularly WordPress) around the web are running using PHP as their baseline. Therefore, PHP is still a great choice as a language to learn in 2021.

PHP is an amazing and popular language!

  • It is powerful enough to be at the core of the biggest blogging system on the web (WordPress)!
  • It is deep enough to run the largest social network (Facebook)!
  • It is also easy enough to be a beginner's first server side language!

Php code syntax

<?php
$myfile = fopen("newfile.txt", "w") or die("Unable to open file!");
$txt = "John Doe\n";
fwrite($myfile, $txt);
$txt = "Jane Doe\n";
fwrite($myfile, $txt);
fclose($myfile);
?>

 

8. Kotlin

 

Kotlin is a modern but already mature programming language aimed to make developers happier. It’s concise, safe, interoperable with Java and other languages, and provides many ways to reuse code between multiple platforms for productive programming.

Pick it up to start building powerful applications!

Kotlin is a language developed by JetBrains whose work revolves around the development of Android applications. This is precisely why Google decided to name Kotlin as the official language for Android development, putting it ahead of Java. And, as Android is the highest-selling mobile operating system, the fact that Kotlin is one of the languages to learn in 2021 comes as no surprise.

Code Syntax

fun printSum(a: Int, b: Int): Unit {
    println("sum of $a and $b is ${a + b}")
}

 

9. Rust

Rust is a bit of an upstart among the other languages on this list, but that doesn’t mean it’s not a valuable language to learn. Stack Overflow’s 2020 Developer Survey found that Rust was the most loved programming language among developers for the fifth year in a row, with 86.1 percent of Rust developers saying that they want to continue working with it.

Because of its ability and reputation around creating safe systems, Rust is stated to remain popular in the coming years. Rust's safety, speed, and efficiency (i.e., its ability to help developers write performant code faster) are why it will continue to be beloved by the developer community in the coming years.

Developers are using Rust to create a wide range of new software applications, such as game engines, operating systems, file systems, browser components and simulation engines for virtual reality. An active community of volunteer coders maintains the Rust code base and continues to add new enhancements.

Code syntax

fn fizzbuzz(n: u32) -> () {
    if is_divisible_by(n, 15) {
        println!("fizzbuzz");
    } else if is_divisible_by(n, 3) {
        println!("fizz");
    } else if is_divisible_by(n, 5) {
        println!("buzz");
    } else {
        println!("{}", n);
    }
}

 

From Stackoverflow developer survey, here are the ranking languages.


What are the best ways in learning a new language?

When it comes to learning to code, there is an endless number of both free and paid methods available online. A simple Google search will pull up countless games, courses, bootcamps, and degree programs that will teach you how to program in the language of your choice. 

  1. Learn by doing. ...
  2. Grasp the fundamentals for long-term benefits. ...
  3. Code by hand. ...
  4. Ask for help. ...
  5. Seek out more online resources. ...
  6. Don't just read the sample code. ...
  7. Take breaks when debugging.

 

What Programming Languages Can I Learn in 2021?

Well, it all depends on your feed of interest. find a particular field that interest you, find the right progamming language that suite that field, start learning the language, write codes, build projects and finally keep on practicing because prcatice makes perfect.

Computer science and software engineering are both considered some of the most well-known sectors in the tech industry. The popularity of these fields continues to grow without any indication of slowing down in the near future. However, computer science itself is an extremely vast field and, to keep up with the current times, it is important to know which programming languages to dip your fingertips into. All the languages mentioned above are among the most popular and widely used programming languages and are definitely worth learning. Happy coding!

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