diff --git a/2784. Check if Array is Good b/2784. Check if Array is Good
new file mode 100644
index 0000000..0309a1a
--- /dev/null
+++ b/2784. Check if Array is Good	
@@ -0,0 +1,13 @@
+class Solution {
+    public boolean isGood(int[] nums) {
+        int n = nums.length;
+        Arrays.sort(nums);
+
+        for (int i = 0; i < n - 1; i++) {
+            if (nums[i] != i + 1)
+                return false;
+        }
+
+        return nums[n - 1] == n - 1;
+    }
+}