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

2025年11月13日 · 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 …

2025年12月9日 · 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 …

2025年4月28日 · 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 …

2025年4月1日 · 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 …

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

Build your server-side applications with a modern JVM language, and use Kotlin Multiplatform to share data models, validation logic, and more. Use a framework like Ktor to get familiar APIs …

2025年12月19日 · 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 …

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.

2024年9月25日 · 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 …