What is Java Server Faces (JSF)?

JavaServer Faces (JSF) is a Java specification for building component-based user interfaces for web applications. It simplifies the development of web applications by providing a framework for creating reusable UI components, managing application state, handling user input, and rendering HTML. JSF uses a component-based approach, where UI elements are represented as reusable components, and developers assemble these components to create web pages. JSF applications typically follow the Model-View-Controller (MVC) design pattern, separating the application logic (Model), the presentation layer (View), and the user interaction handling (Controller).