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Thorbjørn Ravn Andersen

Thorbjørn Ravn Andersen is a Senior Software Engineer who creates web services, frontends and helper programs for legacy Cobol applications in Java on the IBM iSeries, which he thinks is both challenging and fun. He holds a M.Sc. in Computer Science, live in Denmark and read a lot of Terry Pratchett



Java Instrumentation, introduced in Java SE 5, offers an interesting ability to manipulate class bytecode as it's loaded by the classloader. In this article, Thorbjørn Ravn Andersen offers a simple example of this feature by adding logging statements to the beginning and end of all methods...