akjfal

import java.util.Comparator; import java.util.Arrays; class Solution { public String solution(String s) { String answer = ""; String[] arr = s.split(" "); Arrays.sort(arr, new Comparator() { public int compare(String a, String b){ int a1, b1; if(a.charAt(0) == '-') a1 = -1 * Integer.parseInt(a.substring(1, a.length())); else a1 = Integer.parseInt(a.substring(0, a.length())); if(b.charAt(0) == '-..