Java Reactive Programming: Build Asynchronous Applications with RxJava — PickAClass
★ 3.6 (5) ⏱ 2h 42m 📚 27 lessons 🎧 Audio version

Java Reactive Programming: Build Asynchronous Applications with RxJava

Discover how to handle asynchronous data streams and build highly responsive Java applications using RxJava and modern reactive programming principles.

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About this course

Modern software demands applications that are highly responsive, resilient, and capable of handling massive streams of concurrent data. Reactive programming offers a powerful paradigm to solve these asynchronous challenges, but transitioning from imperative programming can feel daunting. This text-based course guides you through the core concepts of reactive programming in Java using the RxJava library. You will transition from writing blocking, sequential code to designing elegant, non-blocking, event-driven systems that scale efficiently. What you'll learn: - Understand the core principles of the Reactive Streams specification and how they apply to Java - Create and manipulate data streams using Observables, Flowables, Singles, and Maybes - Apply powerful reactive operators to filter, transform, and combine asynchronous data - Manage concurrency and thread scheduling efficiently using Schedulers - Handle backpressure strategies to prevent resource exhaustion in high-throughput systems - Integrate RxJava with modern Java functional features like lambdas and functional interfaces You will start with foundational reactive concepts and terminology before diving into practical code examples and architectural patterns. Through written explanations and clear code snippets, you will learn how to compose complex asynchronous workflows step by step. This course is designed for Java developers who are new to reactive programming and want to build a solid foundation without any prior reactive experience. Start reading today to unlock the power of asynchronous, event-driven development in Java.

Course contents

What you'll get

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  • ⚡ Short & focused
    2h 42m of practical content

Certificate of completion

Every course you complete on PickAClass issues a credential like this — original, with its own code, verifiable by URL, and detailed about what was actually demonstrated.

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Certificate of Mastery
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Name Surname
has successfully demonstrated mastery of
Java Reactive Programming: Build Asynchronous Applications with RxJava
Skills demonstrated
✓
Behavioral pattern analysis
Foundational
1.2 hrs
✓
Decision-architecture frameworks
Proficient
1.4 hrs
✓
A/B test design
Proficient
1.7 hrs
✓
Behavioral copywriting
Advanced
1.9 hrs
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PickAClass — Name Surname
Java Reactive Programming: Build Asynchronous Applications with RxJava
Page 2 of 2
Performance detail
Coursework summary
Lessons completed 14 / 14
Practice questions 26 / 28
Assignments submitted 4 (avg 4.5 / 5)
Capstone project Reviewed — 4.6 / 5
Total practice 6.2 hrs
Performance benchmark
Cohort rank Top 12% of 1,625
Time to completion 11 days (median: 22)
Mastery score 91 / 100
Practice-question score 94%
Skill verification Verified Skill Path
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pickaclass.com/certificates/PCC-2026-X4F7-AP19
Issued under the academic standards of PickAClass. Skill levels reflect assessed performance against the course's competency rubric. This is an original credential of this platform.

Reviews (5)

Lucía Pérez ES Verified learner
★ 3 · September 29, 2026

Really enjoyed this. The structure flowed perfectly, and the practical applications are immediately useful. Great job!

Thomas Bennett GB
★ 4 · September 2, 2026

Solid content and presented clearly. I appreciated the real-world applications shown. Could have used a few more practice opportunities.

سالم بن محمد الوهيبي OM Verified learner
★ 4 · August 30, 2026

Brilliant presentation! The flow was perfect, and I appreciated the real-world examples. Highly valuable!

আরিফ রহমান BD Verified learner
★ 4 · August 14, 2026

Decent material presented. The structure helped me follow along, and the examples were illustrative. It met my basic needs for this topic.

Amelia Baker GB Verified learner
★ 3 · August 5, 2026

Pretty informative. I liked the practical application examples, though the initial setup took longer than I expected.

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