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Application Development by using Model-View-Controller




Lots of traffic applications are developed by Model–view–controller. It is also known as MVC. It is user interface software for implementing on computers. It divides into three interconnected parts which are correlated. These are model, view and controller. This is done to separate internal representations of information from the way information is presented to, and accepted from, the user and embedded application testing. The pattern design of this is compact of different components and these major components allowing for efficient code reuse, embedded application development and parallel development.

Components of the model view controller

The model is the central component of the pattern embedded application testing. It expresses the application’s behavior in terms of the problem domain, independent of the user interface. It directly manages the data, logic, and rules of the application.

A view model controller is a graphic representation of information, it represents such as a chart or a diagram. Multiple views of the same information are possible, such as a bar chart for management and a tabular view for accountants.

Three levels of MVC Model:

There are three levels of this model

Model:

This level is very important as it represents the data to the user. This level provides the information about data storage. This level defines where the application data objects are stored. The model is unknown about another level of this model.  So, whenever there are some changes in this model, it will automatically notify observers that the changes are made. The model may be a single object or a structure of objects.

Views:

This level is a visual representation of the MVC model. This level is a way of an interface in which show the actual output to the user. However, in this part of the model, a view will not display anything itself. It is the controller part of this model, which tells view what to display to the user. It also handles requirements from the user and informs controller. This is the question-based part; in this, a view is connected to its model and gets the data necessary for the presentation by asking certain questions. Sometimes, it also updates the model by sending appropriate messages. This model set backs all questions and answer to the application in such an easy terminology that it can easily understand the information sent by model or a controller.

Controller:

The controller is another level of this model and at this level is an act like a brain of the entire MVC system. A controller is a link between a user and the system. It provides the user an appropriate view to present it appropriately on the screen. The user output understands by the controller, and converts it into the suitable messages and passes the same views.

It is a faster development process:

MVC supports rapid and parallel development. If an MVC model is used to develop any particular web application, then it is feasible for one programmer can work on the view while the another can work on the controller to create business logic of the web application. Hence this way, MVC model can be completed three times faster than application.

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About Author

Ted Conner is a Professional Tech Savvy Blogger. Ted working with Bytesplay as a Software Team Lead. He written plenty of subjects, like Embedded Technology, Software Development, Embedded Product Design and more..

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