Dec 17, 2025 · Kotlin is a concise and multiplatform programming language by JetBrains. Enjoy coding and build server-side, mobile, web, and desktop applications efficiently.

Nov 13, 2025 · Kotlin is a modern but already mature programming language designed to make developers happier. It's concise, safe, interoperable with Java and other languages, and provides …

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.

Dec 9, 2025 · Since its creation in 2011, Kotlin has developed continuously, not only as a language but as a whole ecosystem with robust tooling. Now it's seamlessly integrated into Android Studio and is …

Dec 16, 2025 · The Kotlin 2.3.0 release is out! This version includes new language features, stable ones, and other features now enabled by default. This release also brings tooling updates, …

First steps Basic syntax A quick introduction to Kotlin syntax: keywords, operators, program structure

Apr 1, 2025 · In Kotlin, you declare a variable starting with a keyword, val or var, followed by the name of the variable. Use the val keyword to declare variables that are assigned a value only once.

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.

Explore Kotlin and practice your coding skills on the Kotlin Playground! Simply type a snippet of code and click Run to try it on the fly.

Apr 28, 2025 · Quickly learn the essentials of the Kotlin programming language through our tours, which will take you from beginner to intermediate level. Each chapter contains: Theory to introduce key …