What is MVC architecture in struts?
Struts is an open source framework that extends the Java Servlet API and employs a Model, View, Controller (MVC) architecture. It enables you to create maintainable, extensible, and flexible web applications based on standard technologies, such as JSP pages, JavaBeans, resource bundles, and XML.
What is the difference between MVC1 and MVC2?
The difference between MVC1 and MVC2 is that MVC1 has only one component responsible for collecting and receiving information. On the other hand, MVC2 has two distinct components to receive and collect information. Moreover, in the MVC1 model, there is an association between presentation and business logic.
What is MVC2 pattern?
Model 2 is based on the MVC (Model View Controller) design pattern. The MVC design pattern consists of three modules model, view and controller. Model The model represents the state (data) and business logic of the application. View The view module is responsible to display data i.e. it represents the presentation.
Which are correct about Model 1 architecture?
The Model 1 architecture is commonly used in smaller, simple task applications due to its ease of development. Although conceptually simple, this architecture is not conducive to large-scale application development because, inevitably, a great deal of functionality is duplicated in each JSP.
What role JSP technology will play in this MVC Model 2 architecture?
JSP Model 2 is a complex design pattern used in the design of Java Web applications which separates the display of content from the logic used to obtain and manipulate the content. Since Model 2 drives a separation between logic and display, it is usually associated with the model–view–controller (MVC) paradigm.
What is the difference between model1 and model2 in MVC *?
I Think this is the main difference between MVC1 andMVC2: The hallmark of the MVC2 approach is the separation of Controller code from content. (Implementations of presentation frameworks such as Struts, adhere to the MVC2 approach). But for MVC1 did not have a strong break between the controller and the view.
What is difference in roles of JSP in Model 1 and Model 2 architectures?
As you can see, the main difference between the two approaches is that the Model 2 architecture introduces a controller servlet that provides a single point of entry and encourages more reuse and extensibility than the Model 1 approach.
What is the controller in Struts 2?
The core of Struts, which is based on MVC architecture, is a controller component. The controller is a Servlet that receives a request from the application. It manages the data flow between the Model and the View by delegating the handling of requests to the RequestProcessor class.
What is controller in MVC?
A controller is responsible for controlling the way that a user interacts with an MVC application. A controller contains the flow control logic for an ASP.NET MVC application. A controller determines what response to send back to a user when a user makes a browser request.
What is the difference between model1 and model2 in MVC?
With the Model 1 architecture, the JSP page handles all of the processing of the request and is responsible for displaying the output to the client. In contrast, in the Model 2 architecture, the client request is first intercepted by a servlet, commonly referred to as a controller servlet.
What is model view and controller in MVC?
-MVC is an architectural pattern consisting of three parts: Model, View, Controller. Model: Handles data logic. View: It displays the information from the model to the user. Controller: It controls the data flow into a model object and updates the view whenever data changes. -It is invented by Trygve Reenskau.