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Design with dynamic extension

How dynamic extension works in Java and how to use it in your designs

By Bill Venners, JavaWorld.com, 01/01/99

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Page 4 of 7

By contrast, although both name spaces also contain the fully qualified name Mouse, each entry (one in each name space) is associated with a different chunk of type data in the method area. In the upper name space, the name Mouse is associated with a chunk of type data that describes a small, furry animal with a pink nose. In the lower name space, the name Mouse is associated with a chunk of type data that describes a device you attach to your computer.

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Resources
  • Bill's next book is Flexible Java http://www.artima.com/flexiblejava/index.html
  • An complete online reprint of Chapter 7, "The Linking Model," of Bill's book Inside the Java Virtual Machine http://www.artima.com/insidejvm/linkmod.html
  • The handout and slides for Bill's "Dynamic Extension in Java" talk http://www.artima.com/javaseminars/modules/DynaExt/index.html
  • Bill recently returned from his European bike trip. Read about it at http://www.artima.com/bv/travel/bike98/index.html
  • The discussion forum devoted to the material presented in this article http://www.artima.com/flexiblejava/fjf/dynaext/index.html
  • Links to all previous Design Techniques columns http://www.artima.com/designtechniques/index.html
  • Recommended books on Java design http://www.artima.com/designtechniques/booklist.html
  • A transcript of an e-mail debate between Bill Venners, Mark Johnson (JavaWorld's JavaBeans columnist), and Mark Balbe on whether or not all objects should be made into beans http://www.artima.com/flexiblejava/comments/beandebate.html
  • Object orientation FAQ http://www.cyberdyne-object-sys.com/oofaq/
  • 7237 Links on Object Orientation http://www.rhein-neckar.de/~cetus/software.html
  • The Object-Oriented Page http://www.well.com/user/ritchie/oo.html
  • Collection of information on OO approach http://arkhp1.kek.jp:80/managers/computing/activities/OO_CollectInfor/OO_CollectInfo.html
  • Design Patterns Home Page http://hillside.net/patterns/patterns.html
  • A Comparison of OOA and OOD Methods http://www.iconcomp.com/papers/comp/comp_1.html
  • "Object-Oriented Analysis and Design MethodsA Comparative Review" http://wwwis.cs.utwente.nl:8080/dmrg/OODOC/oodoc/oo.html
  • Patterns discussion FAQ http://gee.cs.oswego.edu/dl/pd-FAQ/pd-FAQ.html
  • Patterns in Java AWT http://mordor.cs.hut.fi/tik-76.278/group6/awtpat.html
  • Software Technology's Design Patterns Page http://www.sw-technologies.com/dpattern/
  • Previous Design Techniques columns http://www.javaworld.com/topicalindex/jw-ti-techniques.html