Part 4 – Variables


Watch the next part

In part 4 of the Kotlin beginner tutorial, we will learn about mutable (var) and read-only variables (val), String templates, and type inference.

Show more
Show less
KotlinTutorial.kt
fun main() {
    val userName = "Florian"
    var age = 28

    println("Hello, world! My name is $userName. I am $age years old. In 2 years, I'll be ${age + 2}.")
}