Three Sources of a Solid Object-Oriented Design

By Gene Shadrin	Article Rating:
May 11, 2005 03:00 PM EDT	Reads:	35,233

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Conclusion

Because OO design elements focus on different aspects of OO design, coupled with their controversial and generic nature, knowing or even mastering only one or two levels of the OO design pyramid isn't enough to develop contemporary, robust, flexible, extensible, and stable software. OO designers and developers have to take all levels of the pyramid into account and apply them in a systematic manner.

Applying OO design levels in a top-down approach (from design patterns to design principles and heuristics to basic OO principles) saves design time and increases design quality by ensuring that none of the important dependencies are lost.

References

Thinking in Java, Third Edition by Bruce Eckel, Prentice Hall PTR, 2002, ISBN: 0131002872

Agile Software Development, Principles, Patterns, and Practices by Robert Cecil Martin, Prentice Hall, 2002, ISBN: 0135974445

Object-Oriented Design Heuristics by Arthur J. Riel, Addison-Wesley Professional, 1996, ISBN: 020163385X

Design Patterns by Erich Gamma, Richard Helm, Ralph Johnson, John Vlissides, Addison-Wesley Professional, 1995, ISBN: 0201633612

Design Patterns Java Workbook by Steven John Metsker, Addison-Wesley Pub Co, 2002, ISBN: 0201743973

CIO, CTO & Developer Resources

Core J2EE Patterns: Best Practices and Design Strategies, Second Edition by Deepak Alur, Dan Malks, John Crupi, Prentice Hall PTR, 2003, ISBN: 0131422464

Patterns of Enterprise Application Architecture by Martin Fowler, David Rice, Matthew Foemmel, Edward Hieatt, Robert Mee, Randy Stafford, Addison-Wesley Professional, 2002, ISBN: 0321127420

www.objectsbydesign.com/tools/umltools_byCompany.html for a list of design tools.

SIDEBAR

OO Design Principles

Class structure and relationships

Single Responsibility Principle (SRP)
Open/Closed Principle (OCP)
Liskov Substitution Principle (LSP)
Dependency Inversion Principle (DIP)
Interface Segregation Principle (ISP) Package cohesion

Package cohesion

Reuse/Release Equivalency Principle (REP)
Common Closure Principle (CCP)
Common Reuse Principle (CRP) Package coupling

Package coupling

Acyclic Dependency Principle (ADP)
Stable Dependency Principle (SDP)
Stable Abstractions Principle (SAP)

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More Stories By Gene Shadrin

Gene Shadrin is an enterprise architect with 17 years of software development experience, including object-oriented analysis, design, architecture, and development of real-life enterprise Java systems. He is a Sun Certified Enterprise Architect, PMP, and consults government and Fortune 500 organizations. Gene can be contacted at genes@eltrong.com

PUBLICATIONS
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Third Annual International Conference of Open systems. Moscow, Russia 1996. Thesis of lecture
Client-Server Technology Journal. Russia, 1996, 3-4 (double). ?PowerBuilder - Open Tool for Client-Server Computing? article.
Database Management Systems Journal. Russia, 1996, 5-6 (double). ?PowerBuilder - Open Tool for Complex Distributed Client-Server Computing? article.
?PowerBuilder: Developer?s Guide? Book. Translation from English. Russia, 1997, MIR Publishing-house (400 pages)
Database Management Systems Journal. Russia, 1997, 5-6 (double). "PFC Basics" article

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