MinMaxAnotherWay

val array = Array(3,4,62,8,9,2,1)
if(array.isEmpty) throw new IllegalArgumentException // Just so we can safely call array.head

val (minimum, maximum) = array.foldLeft((array.head, array.head)) {  // We start of with the first element as min and max
  case ((min, max), next) =>
    if(next > max) (min, next)
    else if(next < min) (next, max)
    else (min, max)
}

println(minimum, maximum)