These topics are still covered in the Servlet 3.0 specs, so I guess it is still good to learn. Whether it is part of the EE6 exam I am not sure, as I am also not sure if the book of Charles Lyon covers all the exam topics.
Eliminate 95% of the weeds in your lawn by mowing 3 inches or higher. Then plant tiny ads:
Devious Experiments for a Truly Passive Greenhouse!