Now that Java and other similar major languages have sealed class, maybe a good idea to replace visitor pattern with sealed class if you ever decide to make some updates to the book. Personally, as well as the main complains(or only major one really) of this book among audience is the visitor pattern. It was a bottleneck for me and many others while rest of the book went smoothly.
Now that Java and other similar major languages have sealed class, maybe a good idea to replace visitor pattern with sealed class if you ever decide to make some updates to the book. Personally, as well as the main complains(or only major one really) of this book among audience is the visitor pattern. It was a bottleneck for me and many others while rest of the book went smoothly.