Mastering High Performance with Kotlin

Ranges in Kotlin

To create ranges of variables in Kotlin, you can use the rangeTo extension function or the .. operator of Kotlin. We can create a range of any Comparable type.

Let's look at the following example:

fun main(args: Array<String>) {    val int = args[0].toInt()    if (int in 0..10) {        println(int)    }}

In this example, we retrieve a value from the args array.

The args array contains command-line arguments that can be used to pass parameters or specify a configuration when an application is launched.

To run a program with parameters in IntelliJ IDEA, click Run and choose Edit Configurations...:

In the window that opens, you can paste parameters ...