object IndexMax extends App { def indexMax(arr: Array[String]):Int = { var (max, indexmax) = ("", -1) for (i <- 0 until arr.length) { //until is exclusive if (arr(i) > max) { max = arr(i); indexmax = i } } indexmax } //val arr = Array(3,24,5,17,8) val arr = "The quick brown fox jumped over that lazy dog's back".split("\\s+") val i = indexMax(arr) println(s"The index of the alpha max word is $i in the list ${arr.toList}") }