Kotlin is a concise and multiplatform programming language by JetBrains. Enjoy coding and build server-side, mobile, web, and desktop applications efficiently.

As of 2020, Kotlin was the most widely used language on Android, with Google estimating that 70% of the top 1,000 apps on the Play Store were written in Kotlin.

Kotlin is easy to learn, especially if you already know Java (it is 100% compatible with Java). Kotlin is used to develop Android apps, server side apps, and much more.

Kotlin is a modern statically typed programming language used by over 60% of professional Android developers that helps boost productivity, developer satisfaction, and code safety.

Kotlin ships with a very small runtime and it’s the aim to keep it that way. We believe other functionality that is missing from the standard runtime library can be developed as Kotlin Contributions under the …

Aug 6, 2025 · In this Kotlin tutorial, you'll learn various important Kotlin topics, including data types, control flow, functions, object-oriented programming, collections, and more.

Many developers have adopted Kotlin as their preferred language for Android development. This tutorial gives an introduction to Kotlin, and some of the key features and concepts of Kotlin language.

Kotlin is a modern, concise and efficient language developed by JetBrains, widely used in Android development and server-side applications. It offers a smooth development experience, balancing …

1 day ago · Is there a different syntax? In this blog, we’ll demystify Kotlin’s approach to bitwise OR assignment, explore its syntax, provide practical examples, and clarify how it compares to other …

Standard library API reference Living essentials for everyday work with Kotlin: IO, files, threading, collections, and much more