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Introduction to RxJava

RxJava is a library for composing asynchronous and event-based programs using observable sequences. This Introduction to RxJava training teaches attendees how to implement RxJava in their...

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Duration 2 days
Course Code JAV-420
Available Formats Classroom

Overview

RxJava is a library for composing asynchronous and event-based programs using observable sequences. This Introduction to RxJava training teaches attendees how to implement RxJava in their applications.

Skills Gained

  • Develop pipelines from Source to Sink
  • Tie in functional operators to perform duties while avoiding callback loops
  • Use operators to leverage parallelism and concurrency
  • Use hot and cold observables, backpressure, basic functional operators, and forking
  • Use schedulers to process information asynchronously
  • Incorporate unit testing

Prerequisites

All attendees must have basic knowledge of Java and functional interfaces.

Course Details

Training Materials

All RxJava training students receive comprehensive courseware.

Software Requirements

  • An installation of JDK 11+ and your favorite IDE (IntelliJ preferred but not required)
  • Maven 3.8.x

Outline

  • Introduction
    • What is it?
    • Reactive Streams
    • Flow API
    • Differences between 1.x and 2.x
  • Basic Components
    • Observable
    • Subscriber
    • Subscription
    • Subject
    • Multiple Subscribers
    • Infinite Streaming
  • Marble Diagrams
    • Pipeline Creation
    • just
    • interval
    • fromFuture
    • fromIterable
    • fromCallable
    • defer
  • Intermediate Operators
    • filter
    • map
    • flatMap
    • flatMapIterable
    • compose and Tranformer
    • takeWhile
    • concatMap
    • zip and zipWith
  • Debugging Operators
    • doOnNext
    • doOnError
    • onErrorReturn
    • onAfterTerminate
  • Combination Operators
    • startWith
    • concat
    • amb
    • merge
    • switchOnNext
    • combine
    • combineLatest
    • withLatestFrom
    • amb
  • Reduction Operators
    • collect
    • reduce
    • scan
    • distinct
    • groupBy
  • Error Handling
    • onErrorResumeNext
    • onErrorReturn
    • onErrorReturnItem
    • onExceptionResumeNext
  • Multithreading and Schedulers
    • subscribeOn
    • observeOn
  • Hot vs. Cold Observable
    • publish
    • share
  • Backpressure
    • Flowable
    • throttle
    • throttleWithTimeout
    • sample
    • debounce
  • Testing
  • Performance
  • Conclusion

Schedule

FAQ

Does the course schedule include a Lunchbreak?

Classes typically include a 1-hour lunch break around midday. However, the exact break times and duration can vary depending on the specific class. Your instructor will provide detailed information at the start of the course.

What languages are used to deliver training?

Most courses are conducted in English, unless otherwise specified. Some courses will have the word "FRENCH" marked in red beside the scheduled date(s) indicating the language of instruction.

What does GTR stand for?

GTR stands for Guaranteed to Run; if you see a course with this status, it means this event is confirmed to run. View our GTR page to see our full list of Guaranteed to Run courses.

Does Ascendient Learning deliver group training?

Yes, we provide training for groups, individuals and private on sites. View our group training page for more information.

What does vendor-authorized training mean?

As a vendor-authorized training partner, we offer a curriculum that our partners have vetted. We use the same course materials and facilitate the same labs as our vendor-delivered training. These courses are considered the gold standard and, as such, are priced accordingly.

Is the training too basic, or will you go deep into technology?

It depends on your requirements, your role in your company, and your depth of knowledge. The good news about many of our learning paths, you can start from the fundamentals to highly specialized training.

How up-to-date are your courses and support materials?

We continuously work with our vendors to evaluate and refresh course material to reflect the latest training courses and best practices.

Are your instructors seasoned trainers who have deep knowledge of the training topic?

Ascendient Learning instructors have an average of 27 years of practical IT experience and have also served as consultants for an average of 15 years. To stay current, instructors spend at least 25 percent of their time learning new, emerging technologies and courses.

Do you provide hands-on training and exercises in an actual lab environment?

Lab access is dependent on the vendor and the type of training you sign up for. However, many of our top vendors will provide lab access to students to test and practice. The course description will specify lab access.

Will you customize the training for our company’s specific needs and goals?

We will work with you to identify training needs and areas of growth.  We offer a variety of training methods, such as private group training, on-site of your choice, and virtually. We provide courses and certifications that are aligned with your business goals.

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Will I get access to content after I complete a course?

You will get access to the PDF of course books and guides, but access to the recording and slides will depend on the vendor and type of training you receive.

How do I request a W9 for Ascendient Learning?

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Reviews

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The technical data in the AWS Solutions Architect course was very thorough.

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