Sorting : sortWith()

scala> // sortWith()

scala> val data = List(1, 2, 3, 4, 5, 6)
data: List[Int] = List(1, 2, 3, 4, 5, 6)

scala> val res = data.sortWith(_ > _)
res: List[Int] = List(6, 5, 4, 3, 2, 1)