If you have read The GOF
book: “Design Patterns”
and Martin Fowler’s “Refactoring: Improving the Design of Existing Code”
, then this book is a waste of money. There is nothing new under the sun and especially not in this book.
If you have no clue about these two subjects then it is probably a very good read…NO, correction, probably a MUST read! Be aware that all examples show in java and people not familiar with it might be .