--- a/src/java.base/share/classes/jdk/internal/module/SystemModuleFinders.java	Thu Dec 13 16:14:07 2018 +0100
+++ b/src/java.base/share/classes/jdk/internal/module/SystemModuleFinders.java	Thu Dec 13 15:31:05 2018 +0100
@@ -83,7 +83,7 @@
         if (value == null) {
             USE_FAST_PATH = true;
         } else {
-            USE_FAST_PATH = (value.length() > 0) && !Boolean.parseBoolean(value);
+            USE_FAST_PATH = !value.isEmpty() && !Boolean.parseBoolean(value);
         }
     }