src/java.base/share/classes/sun/security/jca/GetInstance.java

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

@@ -73,11 +73,11 @@
     }
 
     public static Service getService(String type, String algorithm,
             String provider) throws NoSuchAlgorithmException,
             NoSuchProviderException {
-        if ((provider == null) || (provider.length() == 0)) {
+        if (provider == null || provider.isEmpty()) {
             throw new IllegalArgumentException("missing provider");
         }
         Provider p = Providers.getProviderList().getProvider(provider);
         if (p == null) {
             throw new NoSuchProviderException("no such provider: " + provider);