QDox is a library which allows you to parse a java source file and extract instance variables, methods and even JavaDoc tags from it. Quite some time ago, I had used QDox for a little tool that generates implementation source code for java beans. When writing java bean sources, you usually have to write the same code template again and again for every single bean property. Each time, the template has to include an instance variable, a getter and a setter method and a constant for the property name.

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