[20251031] PGM / LV2 / 가장 큰 수 / 강신지

ksinji/202510/31 PGM 가장 큰 수.md

@@ -0,0 +1,20 @@
+```java
+import java.util.*;
+
+class Solution {
+    public String solution(int[] numbers) {
+        String[] arr = new String[numbers.length];
+        for (int i = 0; i < numbers.length; i++) {
+            arr[i] = String.valueOf(numbers[i]);
+        }
+
+        Arrays.sort(arr, (a, b) -> (b + a).compareTo(a + b));
+
+        if (arr[0].equals("0")) return "0";
+
+        StringBuilder sb = new StringBuilder();
+        for (String s : arr) sb.append(s);
+        return sb.toString();
+    }
+}
+```