Gain insights into RxJava's principles, explore its integration into Android, and discover why it’s the leading reactive library for enhanced app development.

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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

# Why is RxJava useful?

Now that we have established a foundation for the fundamentals of RxJava (the [3 Os](https://www.educative.io/courses/reactive-programming-rxjava/the-3-os)), we can dive deeper into the rich set of operators that are available to us. Through the contract defined by the `Observable`, we are able to declaratively modify data emitted upstream to produce the desired result. Arguably, the set of operators and the ability to transform, combine, and aggregate items in such a way is one of the main reasons why RxJava is so helpful.



Get introduced to the concept of operators in RxJava.

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

Introduction

Why is RxJava useful?