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Model-View-Controller (MVC)

Last updated on Friday, April 26, 2024.

 

Definition:

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Model-View-Controller (MVC) is a software architectural pattern that separates an application into three interconnected components: the Model represents the data and business logic, the View represents the user interface, and the Controller acts as an intermediary that handles input and updates the Model and View accordingly. This separation of concerns makes it easier to manage complexity, improve reusability, and facilitate maintenance in software development.

The Model-View-Controller (MVC) Design Pattern

In the realm of computer science and software development, the Model-View-Controller (MVC) design pattern is a fundamental concept that helps in organizing and structuring software applications. MVC separates the concerns of an application into three interconnected components, facilitating efficient code management and system scalability.

The Components of MVC:

Model: The model represents the data of the application and the logic to manipulate that data. It encapsulates the business logic of the application and communicates with the database or external APIs to retrieve and store data.

View: The view is responsible for presenting the data to the user in a user-friendly format. It represents the user interface elements such as buttons, forms, and text fields. The view receives data from the model and renders it for the user to interact with.

Controller: The controller acts as an intermediary between the model and the view. It processes user input, interacts with the model to retrieve data, and updates the view accordingly. The controller essentially controls the flow of the application by handling user actions and system events.

The Benefits of MVC:

One of the key advantages of using the MVC design pattern is its ability to separate concerns within an application. By segregating data, presentation, and logic, developers can work on different aspects of the application independently, leading to better code maintainability and reusability.

MVC also promotes code reusability as the components are loosely coupled. Changes made to one component do not necessitate modifications in the others, allowing for easier updates and modifications without affecting the entire system.

Furthermore, MVC facilitates the scalability of applications as each component can be extended or replaced without impacting the rest of the system. This modularity makes it simpler to add new features or modify existing ones, making the software more adaptable to changing requirements.

Overall, the Model-View-Controller (MVC) design pattern is a valuable tool for software developers, offering a structured approach to building applications that are maintainable, extensible, and user-friendly.

 

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