JBossEX1SoWhatIsHappening

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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