How to choose a random element from an array in Scala?

Question

For example, there is a Scala array val A = Array(\"please\", \"help\", \"me\"). How to choose a random element from this array?

Answer 1

import java.util.Random
// ...
val rand = new Random(System.currentTimeMillis())
val random_index = rand.nextInt(A.length)
val result = A(random_index)