Create Form the largest number

Form the largest number

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+//Form the largest number
+
+import java.io.*;
+import java.util.*;
+
+public class Main {
+    public static void main(String[] args) {
+        Scanner sc = new Scanner(System.in);
+        int t = sc.nextInt();
+        sc.nextLine();
+
+        while(t-- > 0) {
+            String input = sc.nextLine();
+            String[] numbers = input.split(" ");
+            int[] arr = new int[numbers.length];
+
+            for(int i = 0; i < numbers.length; i++) {
+                arr[i] = Integer.parseInt(numbers[i]);
+            }
+
+            Solution ob = new Solution();
+            String ans = ob.findLargest(arr);
+            System.out.println(ans);
+            System.out.println("~");
+        }
+        sc.close();
+    }
+}
+
+class Solution {
+    String findLargest(int[] arr) {
+        ArrayList<String> numbers = new ArrayList<>();
+
+        for(int ele : arr) {
+            numbers.add(Integer.toString(ele));
+        }
+
+        Collections.sort(numbers, (s1, s2) -> myCompare(s1, s2) ? -1 : 1);
+
+        if(numbers.get(0).equals("0")) {
+            return "0";
+        }
+
+        StringBuilder res = new StringBuilder();
+
+        for(String num : numbers) {
+            res.append(num);
+        }
+
+        return res.toString();
+    }
+
+    static boolean myCompare(String s1, String s2) {
+        return (s1 + s2).compareTo(s2 + s1) > 0;
+    }
+}