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

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

@@ -173,11 +173,11 @@
         String entry;
         int i = 1;
 
         while ((entry = Security.getProperty("security.provider." + i)) != null) {
             entry = entry.trim();
-            if (entry.length() == 0) {
+            if (entry.isEmpty()) {
                 System.err.println("invalid entry for " +
                                    "security.provider." + i);
                 break;
             }
             int k = entry.indexOf(' ');

@@ -198,11 +198,11 @@
         }
         configs = configList.toArray(PC0);
 
         // Load config entries for use when getInstance is called
         entry = Security.getProperty("jdk.security.provider.preferred");
-        if (entry != null && (entry = entry.trim()).length() > 0) {
+        if (entry != null && !(entry = entry.trim()).isEmpty()) {
             String[] entries = entry.split(",");
             if (ProviderList.preferredPropList == null) {
                 ProviderList.preferredPropList = new PreferredList();
             }
 
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