diff -r 4ebc2e2fb97c -r 71c04702a3d5 src/sample/nashorn/jsobject.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/sample/nashorn/jsobject.js	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,75 @@
+#// Usage: jjs -scripting -cp . jsobject.js
+
+/*
+ * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ *   - Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ *
+ *   - Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution.
+ *
+ *   - Neither the name of Oracle nor the names of its
+ *     contributors may be used to endorse or promote products derived
+ *     from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
+ * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+// This sample demonstrats how to expose a
+// script friendly object from your java code
+// by implementing jdk.nashorn.api.scripting.JSObject
+
+// compile the java program
+`javac BufferArray.java`;
+
+// print error, if any and exit
+if ($ERR != '') {
+    print($ERR);
+    exit($EXIT);
+}
+
+// create BufferArray
+var BufferArray = Java.type("BufferArray");
+var bb = new BufferArray(10);
+
+// 'magic' methods called to retrieve set/get
+// properties on BufferArray instance
+var len = bb.length;
+print("bb.length = " + len)
+for (var i = 0; i < len; i++) {
+    bb[i] = i*i;
+}
+
+for (var i = 0; i < len; i++) {
+    print(bb[i]);
+}
+
+// get underlying buffer by calling a method
+// on BufferArray magic object
+
+// 'buf' is a function member
+print(typeof bb.buf);
+var buf = bb.buf();
+
+// use retrieved underlying nio buffer
+var cap = buf.capacity();
+print("buf.capacity() = " + cap);
+for (var i = 0; i < cap; i++) {
+   print(buf.get(i));
+}