Lecture Notes in Computer Science

Object-Orientation has for a number of years now been accepted as the ind- try standard in many areas. Coming from the area of simulation it showed its strengthsinthedesignofgraphicaluserinterfacesandisnowtakenforgrantedin Internet applications. Object-oriented programming has positioned itself as the main programming paradigm in many universities and many students are int- ducedtoprogrammingthroughanObject-Orientedlanguage. Theimportanceof Object-Orientation and its fundamental ideas have now also been ?rmly rec- nized by the research community. This year both the IEEE John von Neumann Medal and the ACM Turing Award have been awarded to Ole-Johan Dahl and Kristen Nygaard for the pioneering work they did in the 1960s when designing the programming language Simula 67: 19November2001-IEEE(InstituteofElectricalandElectronicEngineers): Ole-JohanDahlandKristenNygaardhavebeenawardedtheIEEE's2002John von Neumann Medal "For the introduction of the concepts underlying obje- orientedprogrammingthroughthedesignandimplementationofSIMULA67. " New York, February 6, 2002 - The Association for Computing Machinery (ACM)haspresentedthe2001A. M. TuringAward,consideredthe"NobelPrize of Computing," to Ole-Johan Dahl and Kristen Nygaard of Norway for their role in the invention of object-oriented programming, the most widely used p- gramming model today. Their work has led to a fundamental change in how software systems are designed and programmed, resulting in reusable, reliable, scalable applications that have streamlined the process of writing software code andfacilitatedsoftwareprogramming. 2002willthusberememberedasanexceptionalyearinthehistoryofObject- Orientation and it is an honor to have Kristen Nygaard as this year's banquet speaker. This year we had 96 submitted papers of which 24 were accepted for publi- tionafterathoroughreviewprocess. Inadditiontothereviewedpapersthereare invited talks given by Jos´ e Meseguer and Clemens Szyperski.