Copyright

Material from A Pattern Language: Towns/Buildings/Construction by Christopher Alexander, copyright © 1977 by Christopher Alexander is reprinted by permission of Oxford University Press, Inc.

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Library of Congress Cataloging-in-Publication Data

Design Patterns : elements of reusable object-oriented software / Erich Gamma ... [et al.].         p. cm.—(Addison-Wesley professional computing series)    Includes bibliographical references and index.    ISBN 0-201-63361-2    1. Object-oriented programming (Computer science) 2. Computer software—Reusability. I. Gamma, Erich. II. Series. QA76.64.D47 1994 005.1'2—dc20                                                                94-34264                                                                                   CIP

Copyright © 1995 by Addison-Wesley©

All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form, or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior consent of the publisher. Printed in the United States of America. Published simultaneously in Canada.

Cover art © M.C. Escher/Cordon Art - Baarn - Holland. All rights reserved.

Text printed in the United States on recycled paper at Courier Westford in Westford, Massachusetts.

37th Printing        March 2009

 

To Karin

 
 --E.G.
 

To Sylvie

 
 --R.H.
 

To Faith

 
 --R.J.
 

To Dru Ann and Matthew Joshua 24:15b

 
 --J.V.
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