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  1. Kotlin Programming Language

    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.

  2. Get started with Kotlin

    Feb 2, 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 provides …

  3. Kotlin for Android | Kotlin Documentation - Kotlin Programming …

    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 …

  4. Basic syntax overview | Kotlin Documentation

    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.

  5. Kotlin Multiplatform | Kotlin Documentation

    Kotlin Multiplatform Simplify the development of cross-platform projects and reduce the time spent writing and maintaining the same code for different platforms.

  6. Kotlin Playground: Edit, Run, Share Kotlin Code Online

    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.

  7. Kotlin releases | Kotlin Documentation

    Feb 2, 2020 · Kotlin has full out-of-the-box support in IntelliJ IDEA and Android Studio with an official Kotlin plugin developed by JetBrains. K2 mode in IntelliJ IDEA and Android Studio uses the K2 …

  8. Keywords and operators | Kotlin Documentation

    Nov 10, 2025 · Operators and special symbols  Kotlin supports the following operators and special symbols: +, -, *, /, % - mathematical operators * is also used to pass an array to a vararg parameter. …

  9. Equality | Kotlin Documentation

    Sep 25, 2024 · In Kotlin, the equals() function is inherited by all classes from the Any class. By default, the equals() function implements referential equality. However, classes in Kotlin can override the …

  10. Conditions and loops | Kotlin Documentation

    Aug 5, 2025 · To use if in Kotlin, add the condition to check within parentheses () and the action to take if the result is true within curly braces {}. You can use else and else if for additional branches and …