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 · 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 …

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.

Kotlin™ is protected under the Kotlin Foundation and licensed under the Apache 2 license.

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 …

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.

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. …

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 …