ReverseLetters

import java.util.Scanner;

public class ReverseLetters {
    public static String reverse(String r) {
        String temp = null;
        if (r.length() == 1) {
            return r;
        }
        else {
            String right = r.substring(r.length()-1,r.length());
            String left = r.substring(0, r.length() -1);
            temp = right + reverse(left);
            return temp;
        }
    }
        public static void main(String[] args) {
            Scanner kb = new Scanner(System.in);
            System.out.print("Enter a string to be reversed:  ");
            String input = kb.next();
            System.out.println(reverse(input));
        }
    }