KOTLIN is a programing language that runs on JVM(java virtual machine). It is formed by the team of jetbrains.KOTLIN became very famous in android programing . If you’re interested in using Kotlin, it’s easy to get started because it works side by side with Java and C++ on Android. Starting with Android Studio 3.0, tooling support for Kotlin is bundled directly into Android Studio.
kotlin usage highlights
Drastically reduce the amount of boilerplate code.
Avoid entire classes of errors such as null pointer exceptions.
Leverage existing libraries for the JVM, Android, and the browser.
Choose any Java IDE or build from the command line.