src/java.base/share/classes/javax/crypto/SealedObject.java

rev 52979 : 8215281: Use String.isEmpty() when applicable in java.base
Reviewed-by: TBD

@@ -335,11 +335,11 @@
             NoSuchProviderException, InvalidKeyException
     {
         if (key == null) {
             throw new NullPointerException("key is null");
         }
-        if (provider == null || provider.length() == 0) {
+        if (provider == null || provider.isEmpty()) {
             throw new IllegalArgumentException("missing provider");
         }
 
         try {
             return unseal(key, provider);