| When Object Oriented programming (OO) first appeared, it was
a revelation. OO gave developers the ability to create
software that was more flexible and robust, but as time went
on and applications became more sophisticated, too, certain
areas of "traditional" OO architectures were found wanting.
Aspect-oriented programming (AOP) addresses those issues by
extending the OO approach even further.
Many developers are interested in AOP--especially in
AspectJ, the open source extension of the Java programming
language that explicitly supports the AOP approach. Yet,
although AspectJ is included with Eclipse, the increasingly
popular open source IDE for Java, finding a practical and
non-theoretical way to learn this language and other AOP
tools and techniques has been a real problem.
Until now. The AspectJ Cookbook offers a hands-on
solution--in fact, several--with a wide variety of code
recipes for solving day-to-day design and coding problems
using AOP's unique approach.
AOP allows the global properties of a program to determine
how it's compiled into an executable program. Before AOP,
important program design decisions were difficult to capture
in actual code. Instead, the implementation of those design
decisions--known as "aspects"--were scattered throughout,
resulting in "tangled" code that was hard to develop and
maintain. AOP has been compared to the manufacturing of
cloth, in which threads are automatically interwoven.
Without AOP, programmers must stitch the threads by hand.
The AspectJ Cookbook shows readers why, and how, common Java
development problems can be solved by using AOP techniques.
With our popular problem-solution-discussion format, the
book presents real world examples to demonstrate that AOP is
more than just a concept; it's a development process that
will benefit users in an immediate and visible manner.
If you're interested in how AOP is changing the way software
is developed, and how you can use AspectJ to make code more
modular, easier to develop, maintain, evolve and deploy,
this is the book that really delivers.
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Biting the hand that feeds IT 
Published by: O'REILLY & ASSOCIATES