--- jsr166/src/main/java/util/PriorityQueue.java	2017/10/22 17:44:03	1.120
+++ jsr166/src/main/java/util/PriorityQueue.java	2018/05/06 02:08:36	1.122
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2003, 2017, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 2018, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -895,4 +895,18 @@ public class PriorityQueue<E> extends Ab
             return Spliterator.SIZED | Spliterator.SUBSIZED | Spliterator.NONNULL;
         }
     }
+
+    /**
+     * @throws NullPointerException {@inheritDoc}
+     */
+    @SuppressWarnings("unchecked")
+    public void forEach(Consumer<? super E> action) {
+        Objects.requireNonNull(action);
+        final int expectedModCount = modCount;
+        final Object[] es = queue;
+        for (int i = 0, n = size; i < n; i++)
+            action.accept((E) es[i]);
+        if (expectedModCount != modCount)
+            throw new ConcurrentModificationException();
+    }
 }