Core J2EE Patterns: Best Practices and Design Strategies
Over the last few years, Java 2 Platform, Enterprise Edition (J2EE) technology has emerged and matured as a standard platform for building enterprise applications. While the platform has matured into a solid offering for developing and deploying enterprise applications, it does offer its challenges. As developers, often we confuse learning the technology with learning to design with the technology. In this book, senior architects from the Sun Java Center, Sun's Java consulting organization share with the reader their cumulative design experience with and expertise on J2EE technology.
The primary focus of the book is on patterns, best practices, design strategies, and proven solutions using the key J2EE technologies including JavaServer Pages (JSP), Servlets, Enterprise Java Beans (EJB), and Java Message Service (J.M.S) API. Other ancillary technologies like JDBC and JNDI are also discussed as relevant to their usage in these patterns. The J2EE Patterns catalog with 16 patterns and numerous strategies is presented to document and promote best practices for these technologies.
In addition to the patterns and strategies, the book offers the following:
Core J2EE Patterns delivers:
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Service to Worker describes the combination of the Front Controller and View
Helper patterns with a dispatcher component. While this pattern and the
Dispatcher View pattern describe a similar structure, the two patterns suggest a
overDraft Limit 5000 This example demonstrates Service To Worker: Servlet/
Front Strategy; JSPView Strategy; JavaBean helperStrategy Example Trace
ServiceToworker-controller Processinc oming request ServiceToworker-
controller Getting ...
While this pattern and the Service to Worker pattern describe a similar structure,
the two patterns suggest a different division of labor among the components. The
controller and the dispatcher typically have limited responsibilities, as compared
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J2EE Platform Overview
Presentation Tier Design Considerations and Bad Practices 34
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