diff --git a/test/hotspot/jtreg/gc/TestAllocateHeapAt.java b/test/hotspot/jtreg/gc/TestAllocateHeapAt.java
index b228dbff3b3..90d380a1990 100644
--- a/test/hotspot/jtreg/gc/TestAllocateHeapAt.java
+++ b/test/hotspot/jtreg/gc/TestAllocateHeapAt.java
@@ -40,7 +40,7 @@ import java.util.Collections;
 
 public class TestAllocateHeapAt {
   public static void main(String args[]) throws Exception {
-    ArrayList<String> vmOpts = new ArrayList();
+    ArrayList<String> vmOpts = new ArrayList<>();
 
     String testVmOptsStr = System.getProperty("test.java.opts");
     if (!testVmOptsStr.isEmpty()) {