Kotlin is widely used for server-side and client-side programming, mobile development, etc. Google recently announced that Kotlin is the official language of choice for Android application developers. The reason is simple: Kotlin is open source, and you don't need to learn OOP to start coding with Kotlin. Further, Kotlin is superior to Java in terms of syntax, features, compatibility, and security. If you want to learn more about this amazing language, watch the video below.