What is Kotlin??
Kotlin is easy to learn, especially if you already know Java (it is 100% compatible with Java).
Kotlin is used to develop Android apps, server side apps, and much more.
Features of Kotlin
Concise: Kotlin reduces writing the extra codes. This makes Kotlin more concise.
Null safety: Kotlin is null safety language. Kotlin aimed to eliminate the NullPointerException (null reference) from the code.
Interoperable: Kotlin easily calls the Java code in a natural way as well as Kotlin code can be used by Java.
Smart cast: The Kotlin compiler automatically converts the variable to a particular class reference once it’s passed through any conditional operator.
Compilation Time: It has better performance and fast compilation time.
Tool-friendly: Kotlin programs are build using the command line as well as any of Java IDE.
Extension function: Kotlin supports extension functions and extension properties which means it helps to extend the functionality of classes without touching their code.