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

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

*** 335,345 ****
              NoSuchProviderException, InvalidKeyException
      {
          if (key == null) {
              throw new NullPointerException("key is null");
          }
!         if (provider == null || provider.length() == 0) {
              throw new IllegalArgumentException("missing provider");
          }
  
          try {
              return unseal(key, provider);
--- 335,345 ----
              NoSuchProviderException, InvalidKeyException
      {
          if (key == null) {
              throw new NullPointerException("key is null");
          }
!         if (provider == null || provider.isEmpty()) {
              throw new IllegalArgumentException("missing provider");
          }
  
          try {
              return unseal(key, provider);