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diff --git a/staging/darwin-x86/sample/try-with-resources/src/Unzip.java b/staging/darwin-x86/sample/try-with-resources/src/Unzip.java
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+/*
+ * 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 source code is provided to illustrate the usage of a given feature
+ * or technique and has been deliberately simplified. Additional steps
+ * required for a production-quality application, such as security checks,
+ * input validation, and proper error handling, might not be present in
+ * this sample code.
+ */
+
+import java.io.IOException;
+import java.io.UncheckedIOException;
+import java.nio.file.*;
+
+import static java.nio.file.StandardCopyOption.REPLACE_EXISTING;
+
+/**
+ * Extract (unzip) a file to the current directory.
+ */
+public class Unzip {
+
+    /**
+     * The main method for the Unzip program. Run the program with an empty
+     * argument list to see possible arguments.
+     *
+     * @param args the argument list for {@code Unzip}.
+     */
+    public static void main(String[] args) {
+        if (args.length != 1) {
+            System.out.println("Usage: Unzip zipfile");
+        }
+        final Path destDir = Paths.get(".");
+        /*
+         * Create AutoCloseable FileSystem. It will be closed automatically
+         * after the try block.
+         */
+        try (FileSystem zipFileSystem = FileSystems.newFileSystem(Paths.get(args[0]), null)) {
+
+            Path top = zipFileSystem.getPath("/");
+            Files.walk(top).skip(1).forEach(file -> {
+                Path target = destDir.resolve(top.relativize(file).toString());
+                System.out.println("Extracting " + target);
+                try {
+                    Files.copy(file, target, REPLACE_EXISTING);
+                } catch (IOException e) {
+                    throw new UncheckedIOException(e);
+                }
+            });
+        } catch (UncheckedIOException | IOException e) {
+            e.printStackTrace();
+            System.exit(1);
+        }
+    }
+}