tailieunhanh - OBJECT-ORIENTED ANALYSIS AND DESIGN

Adobe illustrator is a trademark of Adobe Systems, Inc. Apple, Macintosh, and MacApp are trademarks of Apple Computer, Inc. Booch Components is a trademark of Grady Booch. Eiffel is a trademark of Interactive Software Engineering, Inc. Mathematica is a trademark of Wolfram Research, Inc. Motif is a trademark of Open Software Foundation, Inc. Objective-C is a trademark of Stepstone. Objectworks and Smalltalk-80 are trademarks of ParcPlace Systems. OS/2 is a trademarks of International Business Machines. Pure Software is a trademarks of Pure Software, Inc. Rational and Rational Rose are trademarks of Rational. Simula 67 is a trademark of Simula AS. UNIX is a trademark of AT&T Technologies, Inc. Windows and Word are trademarks. | OBJECT-ORIENTED ANALYSIS AND DESIGN With applications SECOND EDITION Grady Booch Rational Santa Clara California ADDISON-WESLEY Preface To Jan My friend my lover my wife Sponsoring Editor Dan Joraanstad Editorial Assistant Melissa Standen Copy Editor Nicholas Murray Cover Designer Yvo Riezebos Design Production Editor Wendy Earl Cartoonist Tony Hall Proofreader Eleanor Renner Brown Design Consultant David Granville Healy Adobe illustrator is a trademark of Adobe Systems Inc. Apple Macintosh and MacApp are trademarks of Apple Computer Inc. Booch Components is a trademark of Grady Booch. Eiffel is a trademark of Interactive Software Engineering Inc. Mathematica is a trademark of Wolfram Research Inc. Motif is a trademark of Open Software Foundation Inc. Objective-C is a trademark of Stepstone. Objectworks and Smalltalk-80 are trademarks of ParcPlace Systems. OS 2 is a trademarks of International Business Machines. Pure Software is a trademarks of Pure Software Inc. Rational and Rational Rose are trademarks of Rational. Simula 67 is a trademark of Simula AS. UNIX is a trademark of AT T Technologies Inc. Windows and Word are trademarks of Microsoft Inc. Camera-ready copy for this book was prepared on a Macintosh with Microsoft Word and Adobe Illustrator. All C examples were developed using tools from Apple Computer AT T Borland International Centerline Pure Software and Sun Microsystems. The notation and process described in this book is in the public domain and its use by all is encouraged but please acknowledge its source . Copyright 1994 by Addison Wesley Longman Inc. 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 written permission of the publisher. Printed in the United States of America. Published simultaneously in Canada. Library of Congress Cataloging-in-Publication Data Booch Grady. .