/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
    public static String displayStuffR(String x){
        return displayStuffR(0,x);
        }
    public static String displayStuffR(int i,String x){
        if (i<x.length()-1){
            return x.substring(x.length()-1-i)+"\n" + displayStuffR(i+1,x);}
        return x;
    }
    public static void main(String args[]){
       System.out.print(displayStuffR("Hello Java"));
     }
}

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