Feb 2, 2021 · Kotlin is a concise and multiplatform programming language by JetBrains. Enjoy coding and build server-side, mobile, web, and desktop applications efficiently.

Feb 2, 2021 · To start, why not take our tour of Kotlin? This tour covers the fundamentals of the Kotlin programming language and can be completed entirely within your browser.

Feb 2, 2021 · Kotlin releases The latest Kotlin releases and instructions on how to update to them

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 …

Oct 1, 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 …

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.

Sep 3, 2025 · Kotlin for Java Developers – learn the similarities and differences between Java and Kotlin in this course on Coursera. Kotlin documentation in PDF format – read our documentation offline.

This specification covers Kotlin/Core, i.e., fundamental parts of Kotlin which should function mostly the same way irregardless of the underlying platform. These parts include such important things as …

Oct 23, 2025 · What is Kotlin?  Kotlin is an open-source statically typed programming language that targets the JVM, Android, JavaScript, Wasm, and Native. It's developed by JetBrains. The project …

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.