First we need some information that can possibly help us to make sense of the results after
the experiment. If you don't know an answer exactly, a rough estimate will suffice.
What is your main role?
How many years ago did you start professional software development?
How many years ago did you start programming in Java?
How often do you currently do programming?
How often do you currently perform code reviews?
How many hours have you already been working today?
How tired/fit do you feel at the moment?