This book contains simple examples to provide illustration. The data used in the examples contains information that is not based on any real companies or people. The author and publisher of this book have used their best efforts in preparing this book. The author and publisher make no warranty of any kind, expressed or implied, with regard to the documentation and examples contained in this book. The author and publisher shall not be liable in any event for incidental or consequential damages in connection with, or arising out of the use of, information in this book. The views expressed in this book are the views of the author and do not necessarily reflect the views of the IBM Corporation. This book is not sponsored in any part, or in any manner, by IBM.