diff --git a/codereview.java b/codereview.java
new file mode 100644
index 0000000..d4501e4
--- /dev/null
+++ b/codereview.java
@@ -0,0 +1,18 @@
+public class Test {
+    private List<KeyVersion> processEventsInBucket(String bucketName) {
+      final AmazonS3 s3Client = EventHandler.getS3Client();
+      ObjectListing files = s3Client.listObjects(bucketName);
+}
+    public void test() {
+      while(true) {
+        System.out.println('aaaa');
+      }
+    }
+    public static long sum(int[] a) {
+        int sum = 0;
+        for (int i = 0; i < a.length; i++) {
+            sum+= a[i];
+        }
+        return sum;
+    }
+}