Hello,
thank you for writing the book, and for adding me in the acknowledgements ;)
I found a minor bug in the mock questions of the Assessment
Test at page xxxix.
It is about Mock question 3 (What is the result of executing the following code?)
Well, the result is, that the code cannot be executed, because the main-method is missing the static keyword ;)
the signature of the main method in the book is:
it is missing a static keyword. It should look this one: