--- /dev/null	2013-09-26 12:31:35.724641065 +0400
+++ new/src/share/demo/extension-methods/ArrayIterator.java	2013-09-27 18:40:59.217577614 +0400
@@ -0,0 +1,63 @@
+/*
+ * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ */
+
+
+import java.util.Iterator;
+import java.util.NoSuchElementException;
+
+/**
+ * The code sample illustrates usage default methods in the JDK 8. Most
+ * implementations of Iterator don’t provide a useful remove(), however, they
+ * still have to implement this method just to throw
+ * UnsupportedOperationException. With default method, we could provide the same
+ * "default" behavior in interface Iterator itself
+ */
+public class ArrayIterator {
+
+    public static <E> Iterator<E> iterator(final E[] array) {
+        return new Iterator<E>() {
+            /**
+             * Initial array
+             *
+             */
+            private final E[] srcArray = array;
+
+            /**
+             * Index of the current position
+             *
+             */
+            private int index = 0;
+
+            @Override
+            public boolean hasNext() {
+                return (index < srcArray.length);
+            }
+
+            @Override
+            public E next() {
+                if (!hasNext()) {
+                    throw new NoSuchElementException();
+                }
+                return srcArray[index++];
+            }
+
+            /**
+             * We do not need to override this method in JDK 8
+             */
+            //@Override
+            //public void remove() {
+            //    throw UnsupportedOperationException("Arrays don't support remove")
+            //}
+        };
+    }
+
+    public static void main(String args[]) {
+        Iterator<String> it = ArrayIterator.iterator(new String[]{"one", "two", "three"});
+
+        while (it.hasNext()) {
+            System.out.println(it.next());
+        }
+    }
+}