String Reverse Using Recursion in Java!!

class main

{

public static void main(String args[])

{

string str="hey";

 reverseStr = reverseRecursively(str);

public static String reverseRecursively(String str) 

{
        //base case to handle one char string and empty string
        if (str.length() < 2) 

{
            return str;

  }
        return reverseRecursively(str.substring(1)) + str.charAt(0);
 }
  System.out.println("Reverse String in Java using Recursion: " + reverseStr);

} 

}