Java Invent: Reversing A String Using Recursive Function

Reversing A String Using Recursive Function

import java.util.*;

public class StringReverse{

    public static String stringRev(String s){
        if((null == s ) || (s.length() <=1)){
            return s;
        }
        return stringRev(s.substring(1))+s.charAt(0);
    }
    public static void main(String args[]){
        String s ="Sudeep Kumar Bondwal";

            System.out.println(stringRev(s));
        
       
    }
}