maxOrNull

import kotlin.math.*
import kotlin.test.*

fun main() { 
   //sampleStart 
   // The largest and smallest elements in the array
val numbers = doubleArrayOf(3.0, 7.2, 2.4, 6.5)
println(numbers.max()) // 7.2
println(numbers.min()) // 2.4

// max() and min() return `NaN` if any of elements is `NaN`
val numbersWithNaN = doubleArrayOf(3.0, Double.NaN, 7.2, 2.4, 6.5)
println(numbersWithNaN.max()) // NaN
println(numbersWithNaN.min()) // NaN

val emptyArray = doubleArrayOf()

// max() and min() throw if the array is empty
// emptyArray.max() // will fail with NoSuchElementException
// emptyArray.min() // will fail with NoSuchElementException

// maxOrNull() and minOrNull() return null if the array is empty
println(emptyArray.maxOrNull()) // null
println(emptyArray.minOrNull()) // null 
   //sampleEnd
}

import kotlin.math.*
import kotlin.test.*

fun main() { 
   //sampleStart 
   // The largest and smallest elements according to String.compareTo
val names = listOf("Alice", "Bob", "Carol")
println(names.max()) // Carol
println(names.min()) // Alice

val emptyList = emptyList<Int>()

// max() and min() throw if the collection is empty
// emptyList.max() // will fail with NoSuchElementException
// emptyList.min() // will fail with NoSuchElementException

// maxOrNull() and minOrNull() return null if the collection is empty
println(emptyList.maxOrNull()) // null
println(emptyList.minOrNull()) // null 
   //sampleEnd
}