kingsubin

import java.util.*;
 
class Solution {
    public String solution(int[] numbers) {
        String[] ans = new String[numbers.length];
 
        for(int i = 0; i < numbers.length; i++){
            ans[i] = String.valueOf(numbers[i]);
        }
 
        Arrays.sort(ans, new Comparator<String>() {
            @Override
            public int compare(String s1, String s2){
                return (s2+s1).compareTo(s1+s2);
            }
        });
 
        if(ans[0].equals("0")) return "0";
        StringBuilder sb = new StringBuilder();
        for(String s :numbersToStr){
            sb.append(s);
        }
        return sb.toString();
    }
}