What is Kotlin? Why Kotlin? is Kotlin worth learning in 2020? Kotlin vs Java

Finix
5 min readNov 26, 2020

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Kotlin logo top of rock near river and trees
What is Kotlin?

Since 2017 Kotlin starts getting more and more popular, if you don’t what is Kotlin then in this post we are going to talk about What is Kotlin? What is Kotlin used for? is Kotlin worth learning? and why you should use Kotlin over Java?

What is Kotlin?

Kotlin is a programming language developed by programmers from IDE Jet Brains which handles some modern features to it. It has first appeared in the year 2011 and the official release in 2016.

Kotlin is an open-source statically typed programming language that targets the JVM, Android, JavaScript, and Native.

What can I use Kotlin for?

According to kotlinlang.org :

Kotlin can be used for any kind of development, be it server-side, client-side web, and Android. With Kotlin/Native currently in the works, support for other platforms such as embedded systems, macOS, and iOS is coming. People are using Kotlin for mobile and server-side applications, client-side with JavaScript or JavaFX, and data science, just to name a few possibilities.

as you can see Kotlin can be used for any kind of development from android development to server-side to client-side, you can use it for web development and desktop development.

Horizontal chart bar shows the most kind of apps are developed in Kotlin
What types of apps people are developing in Kotlin?

Most likely Kotlin used on Mobile app development and Web Back-end.

image source

Benefits of Kotlin over Java in Android Development ( Kotlin vs Java )

Kotlin vs Java

We all know that Java is a very popular programming language but now Kotlin has taken the place of Java in developing Android applications, and that’s because:

  1. Fewer lines fewer mistakes, Kotlin makes thing simple and clear
  2. Your code will be more readable.
  3. You still can use Java libraries with Kotlin, and you can convert your Java code to Kotlin easily. For more visit this link.
  4. The continued support and updates from JetBrains help you to build better mobile apps and better code and make the language more secure.
  5. If you got stuck you will find a supportive community to help you.
  6. If you used Java, C#, JavaScript, Scala, or Groovy then Kotlin will be easier for you.
3 circles shows Data For what types of projects developers primarily use Kotlin?
For what types of projects developers primarily use Kotlin?

96% of developers are using Kotlin for New Projects, and the rest use Kotlin for Old Projects

Is Kotlin Worth learning and your Time?

If you want to build an android app then you should learn Kotlin, as you can see Kotlin makes the work much easier, and Google itself starts supporting this language.

So the answer is YES.

Vertical Chart Bar, with purple bars shows the Kotlin usage
Kotlin usage graph

Kotlin didn’t get that interest between 2011–2015 but we can see that the interest in Kotlin starts increasing especially after the I/O event.

Top Apps that are built with Kotlin

Best Android apps that are developed using Kotlin

Because Google starts supporting Kotlin, developers start using Kotlin to build android apps, there are so many good apps let’s share some of them:

screen shot from google play store show Pinterest Android app
Pinterest Android App

Pinterest

500,000,000+ downloads from Google Play, an average rating of 4.6 from 7,219,575 reviews (this results for 2020).

screen shot from google play store show Coursera Android app
Coursera Android App

Coursera

10,000,000+ downloads from Google Play, an average rating of 4.3 from 119,369 reviews (this results for 2020).

screen shot from google play store show Trello Android app
Trello Android App

Trello

10,000,000+ downloads from Google Play, an average rating of 4.4 from 97,574 reviews (this results for 2020).

screen shot from google play store show Evernote Android app
Evernote Android App

Evernote

100,000,000+ downloads from Google Play, an average rating of 4.2 from 1,575,501 reviews (this results for 2020).

screen shot from google play store show Basecamp 3 Android app
Basecamp 3 Android App

Basecamp 3

500,000+ downloads from Google Play, an average rating of 4.2 from 4,323 reviews (this results for 2020).

screen shot from google play store show Twidere for Twitter Android app
Twidere for Twitter Android App

Twidere for Twitter

500,000+ downloads from Google Play, an average rating of 4.0 from 13,579 reviews (this results for 2020).

screen shot from google play store show Simple Calendar Android app
Simple Calendar Android App

Simple Calendar

1,000,000+ downloads from Google Play, an average rating of 4.5 from 16,254 reviews (this results for 2020).

Conclusion

Kotlin’s future looks promising, it’s getting more and more popular. Kotlin makes your job easier and cleaner and has a lot of features to help you develop your app much faster. if you want to ask me, Yes I am using Kotlin for Android Development.

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Finix
Finix

Written by Finix

Every day I try to be a better version of myself. I love Learning, Science, Knowledge, and Technology.

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