for loop in sclaa code example

Example 1: how loop in scala

val nums = Seq(1,2,3)
val letters = Seq('a', 'b', 'c')
val res = for {
    n <- nums
    c <- letters
} yield (n, c)

Example 2: how loop in scala

val out = for (e <- names) yield e.capitalize
val out = names.map(_.capitalize)