Here it is a Scala solution:
(for (i <- 0 until rnd.nextInt(64)) yield {
('0' + rnd.nextInt(64)).asInstanceOf[Char]
}) mkString("")
Here it is a Scala solution:
(for (i <- 0 until rnd.nextInt(64)) yield {
('0' + rnd.nextInt(64)).asInstanceOf[Char]
}) mkString("")