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多項選擇題

A Company.com developer has created a web application that includes a servlet for each use case in the application. These servlets have become rather difficult to maintain because the request processing methods have become very large. There is also common processing code in many servlets because these use cases are very similar.
Which two design patterns can be used together to refactor and simplify this web application？（）

A. Proxy
B. View Helper
C. Front Controller
D. Session Façade
E. Business Delegate
F. Model-View-Controller

單項選擇題

Which is characteristic of the Business Delegate pattern？（）

A. It decreases complexity by removing a layer of proxy classes.
B. It reduces coupling between tiers by hiding implementation details.
C. It decreases performance due to the lack of caching of remote data.
D. It forces business-tier expectations to be dealt with in the presentation-tier.

Which security mechanism can be directed through the element in a web deployment descriptor（）？

你可能感興趣的試題

Which is characteristic of the Business Delegate pattern？（）

Which security mechanism can be directed through the element in a web deployment descriptor（）？