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Struts is depend on model 2 MVC (Model-View-Controller) architecture. Struts controller uses the command design pattern and the action classes use the adapter design pattern. The process () method of the RequestProcessor uses the template method design pattern. Struts also execute the following J2EE design patterns.
? Service to Worker
? Composite View (Struts Tiles)
? Dispatcher View
? Front Controller
? Synchronizer Token
? View Helper
Question: a) Change the following example, using the Java's conditional operator expression, to solve the duplication problem. public class Demonstrate { public static voi
The Action Class is type of the Model and is a wrapper around the business logic. The purpose of Action Class is to change the HttpServletRequest to the business logic. To use the
Project Description: We need to develop software that has a database of players with the ability to delete and add players at will, once captured there can be a draw to set them
You will be creating a World that consists of ants and doodlebugs. Each time you click the board each bug will do some of the following: move, bread, eat, and starve. Ants will
how soon can you complete a project?
Develop a simple polling (voting) web application according to the following specifications: 1. Initially a page should be presented to the user where he can enter his/her
i don''t need any code i need analysis and design only -i need 4 use cases - description - activity diagram -sequence diagram -class diagram - data base diagram
Problem 1 Explain and Define the following concepts with appropriate examples a) Superclass b) Subclass c) Inheritance d) Exceptions e) Stream classes >>Defining and expl
Type casting defines treating a variable of one type as though it is another type. When up casting primitives as given below from left to right, automatic conversion happens. Bu
What is the basic difference among Publish Subscribe model and P2P model? Ans) Publish Subscribe model is typically used in one-to-many situation. It is unreliable but very quic
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