At the time of writing (mid-October 1998) we can look back at what has been a very successful ECOOP’98. Despite the time of the year – in the middle of what is traditionally regarded as a holiday period – ECOOP'98 was a record breaker in terms of number of participants. Over 700 persons found their way to the campus of the Brussels Free University to participate in a wide range of activities. This 3rd ECOOP workshop reader reports on many of these activities. It contains a careful selection of the input and a cautious summary of the outcome for the numerous discussions that happened during the workshops, demonstrations and posters. As such, this book serves as an excellent snapshot of the state of the art in the field of object oriented programming. About the diversity of the submissions A workshop reader is, by its very nature, quite diverse in the topics covered as well as in the form of its contributions. This reader is not an exception to this rule: as editors we have given the respective organizers much freedom in their choice of presentation because we feel form follows content. This explains the diversity in the types of reports as well as in their lay out.
Lecture Notes in Computer Science Edited by G. Goos, J. Hartmanis and J. van Leeuwen
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3 Berlin Heidelberg New York Barcelona Hong Kong London Milan Paris Singapore Tokyo
Serge Demeyer Jan Bosch (Eds.)
Object-Oriented Technology ECOOP ’98 Workshop Reader ECOOP ’98 Workshops, Demos, and Posters Brussels, Belgium, July 20-24, 1998 Proceedings
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Series Editors Gerhard Goos, Karlsruhe University, Germany Juris Hartmanis, Cornell University, NY, USA Jan van Leeuwen, Utrecht University, The Netherlands
Volume Editors Serge Demeyer University of Berne Neubruckstr. 10, CH-3012 Berne, Switzerland E-mail:
[email protected] Jan Bosch University of Karlskrona/Ronneby, Softcenter S-372 25 Ronneby, Sweden E-mail:
[email protected]
Cataloging-in-Publication data applied for Die Deutsche Bibliothek - CIP-Einheitsaufnahme Object-oriented technology : workshop reader, workshops, demos, and posters / ECOOP ’98, Brussels, Belgium, July 20 - 24, 1998 / Serge Demeyer ; Jan Bosch (ed.). - Berlin ; Heidelberg ; New York ; Barcelona ; Hong Kong ; London ; Milan ; Paris ; Singapore ; Tokyo : Springer, 1998 (Lecture notes in computer science ; Vol. 1543) ISBN 3-540-65460-7
CR Subject Classification (1998): D.1-3, H.2, E.3, C.2, K.4.3, K.6 ISSN 0302-9743 ISBN 3-540-65460-7 Springer-Verlag Berlin Heidelberg New York This work is subject to copyright. All rights are reserved, whether the whole or part of the material is concerned, specifically the rights of translation, reprinting, re-use of illustrations, recitation, broadcasting, reproduction on microfilms or in any other way, and storage in data banks. Duplication of this publication or parts thereof is permitted only under the provisions of the German Copyright Law of September 9, 1965, in its current version, and permission for use must always be obtained from Springer-Verlag. Violations are liable for prosecution under the German Copyright Law. c Springer-Verlag Berlin Heidelberg 1998 Printed in Germany
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Preface At the time of writing (mid-October 1998) we can look back at what has been a very successful ECOOP’98. Despite the time of the year – in the middle of what is traditionally regarded as a holiday period – ECOOP'98 was a record breaker in terms of number of p