src/java.base/share/classes/jdk/internal/module/ModulePatcher.java

rev 51919 : 8215281: Use String.isEmpty() when applicable in java.base
Reviewed-by: dfuchs, alanb

@@ -551,11 +551,11 @@
 
         @Override
         public Stream<String> list() throws IOException {
             return Files.walk(dir, Integer.MAX_VALUE)
                         .map(f -> Resources.toResourceName(dir, f))
-                        .filter(s -> s.length() > 0);
+                        .filter(s -> !s.isEmpty());
         }
     }
 
 
     /**