Reactive Programming in Java - Introduction to Advance

This course will cover Reactive Programming  and the tenants of the Reactive Manifesto using Java. This training will help participants examine the use of the RxJava, the Reactive Extension’s asynchronous model, and learn to apply it in order to create scalable,  responsive,  and resilient applications that are well behaved, even while in failure modes.

COURSE CONTENTS

Functional Reactive Concepts

• Introduction
• Java – 8 – Lambda Expressions
• Functional Programming
• Pure Functions
• Functions as First Class Citizens
• High Order Functions
• The Reactive Manifesto
• Event Driven, Scalable, Resilient, Responsive

Observable Creation, Composition, and Filtering

• Observable Creation
• Lifecycle, Types
• The Act of Creation, Subscription
• Composition & Combinators
• Concurrency & Parallelism, Schedulers
• Filtering
• Error Handling Patterns

Observables Transformations and Conditional Operations

• Transformations
• Mapping, Scanning, Group By, Buffer
• Conditional Operations

Connectable Observables and Resource Management

• Connectable Observables
• Resource Management
• Subjects

Implementation Patterns

Event Driven Code, Data Store

Best Practices

• Guidelines, Cheat sheet
• Handling Performance issues

Case Studies

• Database access
• Service orchestration
• Creating a service orchestration layer
• Calling multiple services
• Coordinating among services
• E-book-store implementation
• Live twitter sentiments’ analytics app