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AspectJ

The Eclipse project is the home of AspectJ, an aspect-oriented extension to the Java language, along with the AspectJ Development Toolkit (AJDT), which integrates the language into the Eclipse IDE. AspectJ provides clean modularization of crosscutting concerns such as error checking, monitoring, and logging. A related project, the Concern Manipulation Environment (CME), aims to bring some elements of aspect programming to pure Java.

Web sites

http://www.eclipse.org/aspectj

http://www.eclipse.org/cme

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