Reverse a String - Scala

ReverseString.scala

def reverseString(s:String) = (for(i<-s.length-1 to 0 by -1) yield s(i)).mkString

//Java Version here:

public class Test {
  
	public final String reverse(String s) {
		StringBuffer b = new StringBuffer(s.length());
		for(int i = s.length()-1; i >=0; i--){
			b.append(s.charAt(i));
		}
		return b.toString();
	}

	public static void main(String[] args) {
		System.out.println(new Test().reverse("A"));
		System.out.println(new Test().reverse("Manish"));
	}
}