So you want to learn Kotlin. Good choice.
Kotlin is what happens when someone takes Java and says, "Let me fix all the annoying parts." It's cleaner, safer, and way more fun to write. Google officially chose Kotlin for Android development back in 2017, and since then it's taken off like crazy.
What makes Kotlin special?
Imagine writing less code that does more. That's Kotlin in a nutshell. You don't need to write endless boilerplate just to get stuff done. Want to create a simple data class? One line. Want to avoid those dreaded null pointer exceptions? Kotlin's type system handles that for you.
It's also fully interoperable with Java, so you can use all your favorite Java libraries and frameworks while writing modern, expressive code.
See for yourself
Let's start with the tiniest Kotlin program that actually does something:
fun main() {
println("Kotlin is awesome!")
}
No class declaration, no public static void nonsense. Just fun main() and boom — it runs.