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RxJava

Since its inception in 2012, RxJava has slowly gained in popularity for enabling reactive programming on Android. It is now deemed as the go-to and leading reactive library. Many companies have adopted the reactive way of programming, including Google, with its release of Android Architecture Components, which has many reactive elements in its design.

In this course, you will learn the fundamental principles of RxJava which will serve as a foundation for experienced Android developers who are new to the library and want to start integrating it into their apps.

Reactive Programming with RxJava

## Synchronous `Observable` streams
It’s a common misconception that RxJava is inherently asynchronous.  Perhaps the reason for this confusion is that `Observable` objects are _push_ instead of _pull_ by nature. But, in fact, `Observable` streams are synchronous by default unless otherwise specified.

Given that `Observable` streams are synchronous by default, can you guess the order of the `Log` statements in the following example?

# Synchronous `Observable` streams
It’s a common misconception that RxJava is inherently asynchronous.  Perhaps the reason for this confusion is that `Observable` objects are _push_ instead of _pull_ by nature. But, in fact, `Observable` streams are synchronous by default unless otherwise specified.

Given that `Observable` streams are synchronous by default, can you guess the order of the `Log` statements in the following example?

Learn about how RxJava is inherently synchronous.

Getting Started

Part 1: RxJava Basics

Reactive Programming

RxJava Core Components

Operators

Multithreading

Part 2: RxJava Advanced

Reactive Modeling on Android

Backpressure

Error Handling

Conclusion

Default Synchronicity of RxJava

Synchronous `Observable` streams