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RxJava Essentials: Learn Reactive Programming to Create Awesome Android and Java Apps

by Ivan Morgillo (Author)
3.1 3.1 out of 5 stars 17 ratings
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RxJava Essentials
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  1. ISBN-10
    1784399108
  2. ISBN-13
    978-1784399108
  3. Publisher
    Packt Pub Ltd
  4. Publication date
    May 30, 2015
  5. Language
    English
  6. Dimensions
    7.25 x 0.25 x 8.75 inches
  7. Print length
    111 pages
  8. See all details
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Product details

  • Publisher ‏ : ‎ Packt Pub Ltd (May 30, 2015)
  • Language ‏ : ‎ English
  • Paperback ‏ : ‎ 111 pages
  • ISBN-10 ‏ : ‎ 1784399108
  • ISBN-13 ‏ : ‎ 978-1784399108
  • Item Weight ‏ : ‎ 8.8 ounces
  • Dimensions ‏ : ‎ 7.25 x 0.25 x 8.75 inches
  • Customer Reviews:
    3.1 3.1 out of 5 stars 17 ratings

Customer reviews

3.1 out of 5 stars
17 global ratings

Top reviews from the United States

Amazon Prime Customer
3.0 out of 5 stars You could take a look if you want to hold a real book.
Reviewed in the United States on August 3, 2015
Verified Purchase
The example is great.
But, some of the content are not in detailed. I think the best way to get RxJava resources is online instead.
Anyway there is pdf version already, a bit disappointed.
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T. Nield
4.0 out of 5 stars Should be titled "RxJava Android Essentials", but still relevant
Reviewed in the United States on June 20, 2015
RxJava is a pretty new library and reactive programming altogether is only starting to get noticed. Although challenging to learn, I have found reactive programming to solve many problems I have struggled with, especially when it comes to managing mutability and state. It might sound like a bit of a hyperbole, but it may very well be the future.

Although the concepts of reactive programming were largely realized by the folks at Microsoft and implemented first into .NET, RxJava came about a few years ago when Netflix needed a better means to scale their services. They open-sourced the library on GitHub and it has started to get notice especially after Java 8 came out with lambdas.

That being said, this is a pretty good book if you feel overwhelmed by the online documentation, manifestos, and tutorials out there (I think I have read most of them). However, I was a bit disappointed this book was geared largely towards Android development. As someone primarily interested in JavaFX and BI applications, I found 1/4 of the content Android-specific and irrelevant. But the other 3/4 is relevant to any Java developer. I would have authored the Android stuff in its own chapter, rather than scattering it throughout the book.

Overall, this is a good book to get a grasp on reactive programming with RxJava and getting quick applicable knowledge of the many Observable operations. If you are interested in Java GUI development be sure to check out Tomas Mikula's excellent ReactFX library on GitHub as well.
4 people found this helpful
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MandyPants
1.0 out of 5 stars Don't bother...
Reviewed in the United States on April 7, 2016
Verified Purchase
This book pretty much just regurgitates what the help docs say online. It's about a 2 hour read cover to cover, and if you found anything confusing while trying to learn RxJava from the online help docs, you will still be confused at the end of this book.
6 people found this helpful
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Placeholder
1.0 out of 5 stars Pathetic
Reviewed in the United States on January 15, 2017
Verified Purchase
Waste of Money. Should have taken the advice from the other reviews. If you want to get even more confused and frustrated by all means go ahead.
2 people found this helpful
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Jacob E. Duron
4.0 out of 5 stars This book was pretty helpful in getting my feet wet with RxJava
Reviewed in the United States on July 15, 2015
This book was pretty helpful in getting my feet wet with RxJava. It does a pretty good top level overview of the concepts and provides good examples. The Retrofit + Rx chapter was a plus and pretty useful. I feel ready for a more advanced book now. Forgive the typos, typed using a phone.
3 people found this helpful
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David A Medina
1.0 out of 5 stars Nothing I would not not be able to learn online. very short.
Reviewed in the United States on August 8, 2015
Verified Purchase
Nothing I would not not be able to learn online. very short.
5 people found this helpful
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Top reviews from other countries

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Placeholder
3.0 out of 5 stars Okay to have a basic Knowledge
Reviewed in India on June 3, 2016
Verified Purchase
It's good to have a basic knowledge, in first few chapters. Most of the operators which comes with Rx Java are not explained properly.
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Glyn
3.0 out of 5 stars Reasonable RxJava introduction somewhat diluted by Android examples
Reviewed in the United Kingdom on January 11, 2016
Verified Purchase
There is some helpful information in this book, but I was more interested in RxJava background and concepts rather than how to apply RxJava to Android development.

The timeline diagrams are pretty helpful, but a number of them need to be in colour to be properly understood. Colour diagrams are provided as a free download ([1]), but the book would be better if its diagrams did not depend on colour for understanding.

[1] https://www.packtpub.com/sites/default/files/downloads/9108OS_GraphicsBundle.pdf
One person found this helpful
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Cliente Amazon
4.0 out of 5 stars Ottima introduzione
Reviewed in Italy on November 21, 2015
Verified Purchase
Ottima introduzione al mondo Rx, unica pecca è la visualizzazione del codice in pagina (non proprio agevole).
Non metto 5 stelle perché mi sarebbe piaciuta una spiegazione più approfondita degli "internals" del framework e una carrellata più ampia delle tante funzioni disponibili.
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nishant
2.0 out of 5 stars Much better content can be found at http
Reviewed in India on September 20, 2016
Verified Purchase
(599 bucks for 109 pages)To costly as compared to the book content and quality. Much better content can be found at [...]
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N. Wilkinson
3.0 out of 5 stars Useful as a reference
Reviewed in the United Kingdom on April 9, 2016
Verified Purchase
Useful as a reference, but doesn't give any more insight than reading good blogs on the subject. Was disappointed by the poor code formatting and numerous typos.
One person found this helpful
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