Juan Vazquez said
As other's have said, this is a great book. It doesn't beat you down with long case studies. The Chapters are concise, only giving you what you need to know. Groovy makes makes Java programmers "happy" and this book gives the goods on the finer points of the language. I recommend getting this book along with groovy recipes Groovy Recipes: Greasing the Wheels of Java (Pragmatic Programmers) for a combination that will put your productivity into high gear.
Robert D. Glover Jr. said
I read this book carefully, cover to cover. It is very well written. In the entire book I found one typographical mistake that was a trivial mistake in a footnote. Everything else was perfect.
Not everyone is going to be able to appreciate this book. When I first tried to read it, I ended up putting it aside. But then I read two books about javascript ("JavaScript: The Good Parts" and a book on JQuerey). That introduced me to dynamic languages. Then, I started reading this book again and couldn't put it down, it was so interesting.
Thanks to this book, I am now on the Groovy bandwagon. Groovy seems like the natural next step after java, a statically typed language.
I attended the first Groovy/Grails conference in February of 2008. Even with that background, I truly could not comprehend Groovy until I learned the dynamic capabilities of javascript. For others, maybe learning Ruby first would give the same "shot in the arm" towards learning Groovy that javascript had for me.
I'm a typical java programmer, so my enthusiasm now for Groovy (and Grails and Griffon) is probably typical of the excitement about Groovy that is beginning to build, especially now that SpringSource has acquired G2One.
In summary, I am recommending this specific book because the author is a very good writer who did a very good job of presenting the material clearly and logically in an interesting manner.
Grzegorz, PJUG said
Are you interested in Groovy? You don't have time for reading big
books with many unnecessary topics?
Do you need a book, that will give you a great introduction to Groovy
without spending many days on reading?
If YES, then this book is definitely for you!
"Programming Groovy" was my first book about Groovy, it gave me a
great introduction to Groovy language.
I decided to read this book, because it has about 300 pages. So, for
me (I'm a very busy person) it was the best option
to receive knowledge about Groovy.
The book of Venkat Subramaniam is divided into 3 main parts:
* Beginning Groovy
* Using Groovy
* MOPping Groovy
If you just want to have a fast overview on Groovy, then "Beginning
Groovy" will definitely fit your needs, because it
provides general information on Groovy language including: dynamic
typing, data types, closures and working with collections.
There is also dedicated chapter called "Groovy for the Java Eyes" with
some Groovy-Java comparisons and description
of their cooperation.
"Using Groovy" is the part with the most useful topics you might need,
it covers scripts and classes creation,
working with XML, using databases and extended classes from GDK.
In case you want to be a real Groovy hacker, you have to read "MOPping
Groovy", which will introduce you to
advanced Groovy topics like: Meta-Object Protocol, methods injection,
Groovy builders, unit testing and even creating
your own DSL in Groovy!
I'm sure you will be very satisfied after reading "Programming Groovy".
R.J. Salicco said
I am still fairly new to Groovy, but I have been experimenting with Groovy for about a year. This book, so far, has really helped me grasp some of the more complex concepts of Groovy and dynamic scripting languages in general. I am big fan of this book and strongly recommend it to anyone who is interested in Groovy and to any Java developer who wants an incredibly extensible tool set in his/her back pocket.
Midwest Book Review said
Groovy - it's not the philosophy of the 1960s, it's a programming language, and a good one too. "Programming Groovy: Dynamic Productivity for the Java Developer" is a thorough and educational guide to this programming language, which can bring developers many things they need and want to do in their programs. With tips on how to effectively mix both Java and Groovy, and with plenty of advanced programming techniques, "Programming Groovy: Dynamic Productivity for the Java Developer" is a top pick for community library computer collections and for any Java programmer.
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