JBossEX1SoWhatIsHappening

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So What Is Happening?
Here are some descriptions I’ve heard some people mention:
 * Every time we call a method, we print something before the method runs, the method runs, then we print something after the method runs.
 * We intercept each method call and do something before and after it.
 * As we execute a method, we use reflection to get the name of the method; we print “Entering” followed by the method name. We then execute the method, which always prints something. Finally, we print “Leaving” and the method name.
 * We modify every method execution. Before and after the method execution we display the name of the method.

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