ReactiveX Preparation Practice Exams

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Description: ReactiveX is a library for composing asynchronous and event-based programs using observable sequences. It allows developers to work with asynchronous data streams in a consistent and declarative manner, making complex event-driven systems easier to build and maintain. By combining functional programming concepts with reactive programming, ReactiveX provides a robust framework for handling asynchronous operations across multiple platforms and languages.Observables are the core building blocks in ReactiveX, representing a stream of data that can be observed over time. Observers subscribe to these observables to receive emitted items, errors, or completion signals. This model allows developers to handle events in a reactive way, avoiding callback hell and improving code readability. Observables can emit zero or more items, making them versatile for various programming scenarios.Operators in ReactiveX are powerful tools for transforming, filtering, combining, and manipulating data streams. They allow developers to apply functional transformations to observables, such as mapping values, filtering based on conditions, or merging multiple streams into one. With a rich set of operators, ReactiveX simplifies complex asynchronous workflows and enables more declarative programming patterns.Schedulers in ReactiveX manage concurrency and control the execution context of observables. They allow developers to specify which threads should run specific operations, enabling efficient handling of background tasks, UI updates, or computational work. By using schedulers effectively, developers can optimize performance and ensure responsive applications without blocking the main thread.Error handling in ReactiveX is an integral part of stream management. Developers can catch, transform, or retry operations in response to errors, ensuring that the system remains resilient. ReactiveX provides operators like onErrorResumeNext and retry to manage errors gracefully, making it easier to build fault-tolerant an
Category: IT & Software > IT Certifications > ReactiveX
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