EncapsulatedWhatVaries.kt

fun main() {
    val numbers = arrayOf(4, 56, 12, 79, 25, 2)
    sort("Bubble", numbers)
}

fun sort(algorithm: String, numbers: Array<Int>) {
    when (algorithm) {
        "Bubble" -> bubbleSort(numbers)
        "Merge" -> mergeSort(numbers)
        else -> throw IllegalArgumentException()
    }
}

fun bubbleSort(numbers: Array<Int>) {
    println("Numbers are sorted using Bubble sort.")
}

fun mergeSort(numbers: Array<Int>) {
    println("Numbers are sorted using Merge sort.")
}