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src/java.base/share/classes/javax/security/auth/login/LoginContext.java

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

@@ -298,11 +298,11 @@
             this.callbackHandler = java.security.AccessController.doPrivileged(
                 new java.security.PrivilegedExceptionAction<CallbackHandler>() {
                 public CallbackHandler run() throws Exception {
                     String defaultHandler = java.security.Security.getProperty
                         (DEFAULT_HANDLER);
-                    if (defaultHandler == null || defaultHandler.length() == 0)
+                    if (defaultHandler == null || defaultHandler.isEmpty())
                         return null;
                     Class<? extends CallbackHandler> c = Class.forName(
                             defaultHandler, true,
                             finalLoader).asSubclass(CallbackHandler.class);
                     @SuppressWarnings("deprecation")
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