Kotlin is a concise and multiplatform programming language by JetBrains. Enjoy coding and build server-side, mobile, web, and desktop applications efficiently. v2.1.21

Kotlin (/ ˈkɒtlɪn /) [2] is a cross-platform, statically typed, general-purpose high-level programming language with type inference. Kotlin is designed to interoperate fully with Java, and the JVM …

Kotlin is a modern, trending programming language. Kotlin is easy to learn, especially if you already know Java (it is 100% compatible with Java). Kotlin is used to develop Android apps, …

Feb 1, 2021 · 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 …

Feb 1, 2021 · Kotlin 是一门现代但已成熟的编程语言，旨在让开发人员更幸福快乐。 它简洁、安全、可与 Java 及其他语言互操作，并提供了多种方式在多个平台间复用代码，以实现高效编程。

Kotlin is Android's recommended programming language for modern android development. You can write Android apps in Kotlin. Kotlin is expressive, concise, and powerful.

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.

Jan 23, 2025 · In this Kotlin tutorial, you'll learn various important Kotlin topics, including data types, control flow, functions, object-oriented programming, collections, and more. We will also …

Learn how to use coroutines, Android’s recommended solution for asynchronous programming on Android. Whether you're interested in getting started with Kotlin or are looking to grow your …

Kotlin is an Apache 2 OSS Project. The source code, tooling, documentation and even this web site is maintained on GitHub.