how to overcome this problem?

package com.codegym.task.task07.task0716;

import java.util.ArrayList;

/*
R or L

*/

public class Solution {
    public static void main(String[] args) throws Exception {
        ArrayList<String> list = new ArrayList<String>();
        list.add("rose"); //0
        list.add("love"); //1
        list.add("lyre"); //2
        list = fix(list);

        for (String s : list) {
            System.out.println(s);
        }
    }

    public static ArrayList<String> fix(ArrayList<String> list) {
        for(int i=0;i<list.size();i++){
            String x = list.get(i);
            while(x.length() > 0){
                char ch = x%10;
                x = x/10;