| Duration: 2h 50m
Learn reactive programming by building a scalable real-time chat app using Spring Boot WebFlux, MongoDB, and REST APIs.
What you'll learn
Understand reactive programming concepts and how Spring WebFlux handles asynchronous and non-blocking operations.
Build REST APIs for sending and retrieving chat messages using Spring Boot and MongoDB.
Implement real-time communication using WebSockets in a reactive Spring WebFlux application.
Connect a React frontend to a Spring WebFlux backend to create a functional real-time chat interface.
Store and retrieve chat messages efficiently using MongoDB with reactive repositories.
Understand how reactive applications scale and handle high traffic in modern web systems.
Requirements
Java (JDK 17 or later) installed on your system.
A code editor or IDE such as IntelliJ IDEA, VS Code, or Eclipse.
No prior experience with Spring WebFlux or reactive programming is required.
A computer with internet access to install development tools.
Description
In this hands-on course, you will learn how to build a real-time chat application using Spring Boot WebFlux and MongoDB while mastering the fundamentals of reactive programming in Java. Modern applications require highly scalable and non-blocking systems, and Spring WebFlux provides the tools needed to build such applications efficiently.This course focuses on a practical, project-based approach, where you will build a complete chat backend step by step. Instead of learning theory alone, you will create a working system that demonstrates how reactive programming works in real-world applications.You will start by understanding the basics of Spring Boot and reactive programming, including the concepts of Mono and Flux. From there, you will learn how to design a reactive REST API, manage chat messages, and store data using MongoDB with Reactive Repositories.Throughout the course, you will implement features such as sending messages, retrieving chat history, and organizing messages by groups. You will also learn how to structure a clean Spring Boot project architecture using controllers, services, and repositories.By the end of this course, you will have built a fully functional real-time chat backend and gained practical experience with one of the most powerful reactive stacks in the Java ecosystem.This course is perfect for:Java developers who want to learn Spring WebFluxBackend developers interested in reactive programmingStudents who prefer learning by building real projectsDevelopers who want to build modern scalable APIsAfter completing this course, you will understand how to build reactive, non-blocking applications using Spring Boot and apply these concepts to larger real-world systems.
It is ideal for backend developers who already know the basics of Spring Boot and want to expand their skills by learning Spring WebFlux and reactive programming. The course is also valuable for developers who want to understand how real-time systems like chat applications work using WebSockets and modern data streaming techniques.,If you are interested in building high-performance applications that can handle many concurrent users, this course will help you understand the concepts and practical implementation step by step.,It is also suitable for full-stack developers who want to integrate a React frontend with a reactive Spring backend to create real-time user experiences.,Finally, this course is perfect for students, software engineers, and tech enthusiasts who want hands-on experience building a complete real-time chat application from scratch.



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