src/java.base/share/classes/java/security/Policy.java

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

@@ -454,11 +454,11 @@
                                 Policy.Parameters params,
                                 String provider)
                 throws NoSuchProviderException, NoSuchAlgorithmException {
 
         Objects.requireNonNull(type, "null type name");
-        if (provider == null || provider.length() == 0) {
+        if (provider == null || provider.isEmpty()) {
             throw new IllegalArgumentException("missing provider");
         }
 
         checkPermission(type);
         try {