src/share/classes/sun/swing/AccumulativeRunnable.java

@@ -118,10 +118,11 @@
      * <p>
      * This implementation uses {@see #submit} to send this
      * {@code Runnable} for execution.
      * @param args the arguments to accumulate
      */
+    @SafeVarargs
     public final synchronized void add(T... args) {
         boolean isSubmitted = true;
         if (arguments == null) {
             isSubmitted = false;
             arguments = new ArrayList<T>();