--- a/test/hotspot/jtreg/gc/cms/TestMBeanCMS.java	Fri Feb 08 11:52:33 2019 +0100
+++ b/test/hotspot/jtreg/gc/cms/TestMBeanCMS.java	Fri Feb 08 12:09:41 2019 +0100
@@ -137,7 +137,7 @@
     public void allocationWork(long target) {
 
         long sizeAllocated = 0;
-        List list = new LinkedList();
+        List<byte[]> list = new LinkedList<>();
         long delay = 50;
         long count = 0;