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Learning RxJava

You're reading from   Learning RxJava Build concurrent applications using reactive programming with the latest features of RxJava 3

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Product type Paperback
Published in Feb 2020
Publisher Packt
ISBN-13 9781789950151
Length 412 pages
Edition 2nd Edition
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Authors (2):
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Nick Samoylov Nick Samoylov
Author Profile Icon Nick Samoylov
Nick Samoylov
Thomas Nield Thomas Nield
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Thomas Nield
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Toc

Table of Contents (22) Chapters Close

Preface 1. Section 1: Foundations of Reactive Programming in Java
2. Thinking Reactively FREE CHAPTER 3. Observable and Observer 4. Basic Operators 5. Section 2: Reactive Operators
6. Combining Observables 7. Multicasting, Replaying, and Caching 8. Concurrency and Parallelization 9. Switching, Throttling, Windowing, and Buffering 10. Flowable and Backpressure 11. Transformers and Custom Operators 12. Section 3: Integration of RxJava applications
13. Testing and Debugging 14. RxJava on Android 15. Using RxJava for Kotlin 16. Other Books You May Enjoy Appendix A: Introducing Lambda Expressions 1. Appendix B: Functional Types 2. Appendix C: Mixing Object-Oriented and Reactive Programming 3. Appendix D: Materializing and Dematerializing 4. Appendix E: Understanding Schedulers

Conditional operators

Conditional operators emit or transform Observable conditionally. This allows a control flow to be organized and the path of execution to be determined, which is especially important for adding decision-making ability to your program.

takeWhile() and skipWhile()

Another variant of the take() operator is the takeWhile() operator, which takes emissions while a condition derived from each emission is true. The following example will keep taking emissions while emissions are less than 5. The moment it encounters one that is not, it will generate the onComplete event and dispose of the used resources:

import io.reactivex.rxjava3.core.Observable;

public class Ch3_01 {
public static void main(String[] args...
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