Scala - Array

Creation

val a1 = Array(1, 2, 3)

1, 2, 3

val a2 = a1 map (_ * 3)

3, 6, 9

Filter

val a2 = a1 map (_ * 3)
val a3 = a2 filter (_ % 2 != 0)

3, 9

Reverse

a3.reverse

Loop

• for

for (x <- a) println(x)

• foreach