What is Model-View-View Model (MVVM)?

Model-View-ViewModel (MVVM) is a software architectural pattern that facilitates the separation of concerns in user interface (UI) development. It divides the application into three interconnected parts: the Model (data and business logic), the View (UI elements), and the ViewModel (mediator between the Model and the View). The ViewModel exposes data and commands that the View can bind to, enabling testability, maintainability, and reusability by decoupling the UI from the underlying data and logic.