Reversal of String in Scala using recursive function – object reverseString extends App { val s = “24Tutorials” print(revs(s)) def revs(s: String): String = { // if (s.isEmpty) “” if (s.length == 1) s else revs(s.tail) + s.head //else revs(s.substring(1)) + s.charAt(0) } } } Output: slairotuT42