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

scala scala-2.8
sam picture sam · Feb 19, 2011 · Viewed 43.1k times · Source

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

Answer

user1338062 picture user1338062 · Feb 2, 2013 
import scala.util.Random

val A = Array("please", "help", "me")
Random.shuffle(A.toList).head

Related questions

How to write to a file in Scala?

For reading, there is the useful abstraction Source. How can I write lines to a text file?

Read More
Is the Scala 2.8 collections library a case of "the longest suicide note in history"?

I have just started to look at the Scala collections library re-implementation which is coming in the imminent 2.8 release. Those familiar with the library from 2.7 will notice that the library, from a usage perspective, has changed little. For example... > …

Read More
Overload constructor for Scala's Case Classes?

In Scala 2.8 is there a way to overload constructors of a case class? If yes, please put a snippet to explain, if not, please explain why?

Read More