src/java.naming/share/classes/com/sun/jndi/ldap/DefaultLdapDnsProvider.java

@@ -1,7 +1,7 @@
 /*
- * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2018, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.  Oracle designates this

@@ -74,11 +74,11 @@
             domainName = "";
             endpoints.add(url);
         }
 
         LdapDnsProviderResult res = new LdapDnsProviderResult(domainName, endpoints);
-        if (res.getEndpoints().size() == 0 && res.getDomainName().isEmpty()) {
+        if (res.getEndpoints().isEmpty() && res.getDomainName().isEmpty()) {
             return Optional.empty();
         } else {
             return Optional.of(res);
         }
     }