What is reactive programming?

Reactive programming is a programming paradigm focused on building systems that react to changes, such as user input, data updates, or messages from other systems. It emphasizes asynchronous data streams and the propagation of change, allowing for more responsive and scalable applications. In reactive programming, code responds to events as they occur, enabling efficient handling of high-volume or real-time data. This approach is often used in user interfaces, real-time analytics, and distributed systems.