Write a program to print reverse of a String using recursion? Top Java Interview Questions

👉 Top Java Interview Questions

 Recursion on Strings:-

1. Write a program to print reverse of a String using recursion?

//Write a program to print reverse of a String

using recursion?

import java.util.Scanner;

public class Reverse {

static String reverse(String s,int idx){

    if(idx==s.length()) return "";

    String smallAns=reverse(s, idx+1);

    return smallAns+s.charAt(idx);

}

public static void main(String[] args) {

    Scanner sc=new Scanner(System.in);

    String s=sc.nextLine();

    System.out.println(reverse(s, 0));

}

   

}