The API for ActionEvent won't really help the OP, as the question was more about unused variables than the actual value of the variable.
Type: Posts; User: KevinWorkman
The API for ActionEvent won't really help the OP, as the question was more about unused variables than the actual value of the variable.
So, go ahead and remove it, and see what happens.
Usually, unused variables should be removed (if only for your own sanity). However, sometimes you can't just remove a parameter- for example, you...