Why Kotlin is used in Android?

Kotlin is a statically typed programming language that runs on the JVM and is completely interoperable with the Java programming language. Kotlin is an officially supported language for developing Android apps, along with Java .

Kotlin is now Google’s preferred language for Android app development . Google today announced that the Kotlin programming language is now its preferred language for Android app developers. “Android development will become increasingly Kotlin-first,” Google writes in today’s announcement.

Kotlin is an Android-compatible language that is concise, expressive, and designed to be type- and null-safe . It works with the Java language seamlessly, so it makes it easy for developers who love the Java language to keep using it but also incrementally add Kotlin code and leverage Kotlin libraries.