--- a/src/java.base/share/classes/sun/security/jca/ProviderConfig.java	Thu Dec 13 16:14:07 2018 +0100
+++ b/src/java.base/share/classes/sun/security/jca/ProviderConfig.java	Thu Dec 13 15:31:05 2018 +0100
@@ -114,7 +114,7 @@
     }
 
     private boolean hasArgument() {
-        return argument.length() != 0;
+        return !argument.isEmpty();
     }
 
     // should we try to load this provider?