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

## Problem

Given the following input and function, produce the desired output using the appropriate operator or operators(s).

**Input:**
```java
Observable <User> user
```
**Function:**
```java
Observable <UserDetail> getUserDetail(User user)
```
**Output:**
```java
Observable <UserDetail> userDetails
```

Implement the task below:

# Problem

Given the following input and function, produce the desired output using the appropriate operator or operators(s).

**Input:**
```java
Observable <User> user
```
**Function:**
```java
Observable <UserDetail> getUserDetail(User user)
```
**Output:**
```java
Observable <UserDetail> userDetails
```

Implement the task below:

Next, we’ll go through a challenge to test your understanding of operators.

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

Challenge

Problem