Course description
RxJava 2 | Reactive Programming in Java
RxJava 2 : Reactive Programming in Java is a comprehensive hands-on advanced Java training workshop geared for experienced developers who wish to explore reactive programming APIs and techniques of ReactiveX. Throughout this two day course students will learn to implement both event producers and consumers using Java’s ReactiveX implementation (RxJava 2). RxJava 2 is a complete rewrite of the RxJava API in 2014. RxJava has always been one of the front-runners of reactive programming. RxJava 2 is a complete implementation of the Reactive Streams specification, providing an even better interoperability between reactive libraries.
Our team will collaborate with you to adjust this agenda to target specific challenges or initiatives facing your development team or organization.
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Who should attend?
This is an intermediate level Java SE (JSE) developer course, designed for experienced Java 8 developers. Attendees should have current hands-on experience in developing basic Java 8 applications.
Training content
Session: Introduction to RXJava2
Lesson: Introduction
- Introduce ReactiveX and RxJava 2
- The Observer and Iterator pattern and functional programming
- Introduce the RxJava 2 Building blocks
- Discuss hot and cold observables
- Registering operators
- Subscribing to an Observable
Lesson: Testing Event Sources (Introduction)
- Introduce the TestObserver and TestSubscriber
- Testing Observable implementations
- Introduce some commonly used assertions
Lesson: Operators
- Introduce RxJava 2 Operators
- Show the use of RxMarbles (marble diagrams)
- Explain some commonly used operators
- Callback operators
Lesson: Creating the event publisher
- Implementing the event source
- Introduce the different types of event publishers
- Convenience methods for creation of publishers
- Creating an event source using an Emitter
- Pre-defined observables
- The defer operator
- ConnectableObservable
Session: Working with RxJava2
Lesson: Subjects
- RxJava subjects
- Enable multicating using Subjects
- Introduce most commonly used Subject implementations
Lesson: RxJava Schedulers (Multithreading)
- Thread usage of Observable, Operator and Observer
- Using the subscribeOn method
- Introduce the Scheduler implementations
- Using the observeOn method
Lesson: Testing (multi-threaded) Event Sources
- Testing Asynchronous code
- Discuss strategies for testing event sources
- Waiting for source to complete (await methods)
- Use RxJava extension mechanism to Scheduler instances used during test
- The JUnit 5 @ExtendsWith and @RegisterExtension annotations
- Using the TestScheduler to advance time during test
Lesson: Backpressure
- Strategies for dealing with Backpressure
- Reactive Streams
- Flowable and Processor
- “reactive pull” backpressure
Lesson: Exception Handling
- Handling errors in onError
- Exception handling strategies
- Using onErrorReturn or onErrorNext operators
- Using the retry operators
- The Global Error Handler
Costs
- Price: $1,795.00
- Discounted Price: $1,166.75
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Trivera Technologies
Trivera Technologies is a IT education services & courseware firm that offers a range of wide professional technical education services including: end to end IT training development and delivery, skills-based mentoring programs,new hire training and re-skilling services, courseware licensing and...