https://school.programmers.co.kr/learn/courses/30/lessons/42746풀이import java.util.*;public class Solution { public String solution(int[] numbers) { String[] arr = new String[numbers.length]; for (int i = 0; i (o2 + o1).compareTo(o1 + o2)); if (arr[0].equals("0")) { return "0"; } StringBuilder answer = new StringBuilder(); for (int i..