sortDescending

Sorts elements in the array in-place descending according to their natural sort order.

fun <T : Comparable<T>> Array<out T>.sortDescending()(source)

fun main() {
    val numbers = arrayOf(5, 3, 8, 1, 4)
    numbers.sortDescending()
    println(numbers.joinToString())   // prints: 8, 5, 4, 3, 1
}