Which option prevents the exception thrown by my:errorProne from invoking the error page mechanism and outputs the message "File not found" in the response?()
A.A
B.B
C.C
D.D
E.E
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A. javax.servlet.http.HttpSessionListener
B. javax.servlet.http.HttpSessionValueListener
C. javax.servlet.http.HttpSessionBindingListener
D. javax.servlet.http.HttpSessionAttributeListener
A. EL
B. JSP
C. empty
D. dynamic
E. scriptless
F. tagdependent
A developer is designing a web application that must support multiple interfaces, including:
• an XML web service for B2B
• HTML for web-based clients
• WML for wireless customers
Which design pattern provides a solution for this problem?()
A. Session Façade
B. Business Delegate
C. Data Access Object
D. Model-View-Controller
E. Chain of Responsibility
A. Business Delegate and Transfer Object
B. Business Delegate and Service Locator
C. Front Controller and Business Delegate
D. Intercepting Filter and Transfer Object
E. Model-View-Controller and Intercepting Filter
Squeaky Beans Inc. hired an outside consultant to develop their web application. To finish the job quickly, the consultant created several dozen JSP pages that directly communicate with the database. The Squeaky business team has since purchased a set of business objects to model their system, and the Squeaky developer charged with maintaining the web application must now refactor all the JSPs to work with the new system.
Which pattern can the developer use to solve this problem?()
A. Transfer Object
B. Service Locator
C. Intercepting Filter
D. Business Delegate
A. Flyweight
B. Transfer Object
C. Service Locator
D. Dispatcher View
E. Business Delegate
F. Model-View-Controller
A. Transfer Object
B. Service Locator
C. Front Controller
D. Intercepting Filter
E. Business Delegate
F. Model-View-Controller
Which is the correct web application deployment descriptor element for defining a servlet initialization parameter?()
A.A
B.B
C.C
D.D
A. HttpSession
B. ServletConfig
C. ServletContext
D. HttpServletRequest
E. HttpServletResponse
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最新试题
Which the two are valid and equivalent?()
Which code snippet, inserted at line 8, causes the value Company to be output?()
Which the two are characteristics of the Service Locator pattern?()
A developer is designing a web application which extensively uses EJBs and JMS. The developer finds that there is a lot of duplicated code to build the JNDI contexts to access the beans and queues. Further, because of the complexity, there are numerous errors in the code. Which J2EE design pattern provides a solution for this problem?()
Which the three EL expressions, inserted at line 15, are valid and evaluate to "3"? ()
Which two produce the output "one, two and three"?()
For a given product instance, which three jsp:setProperty attributes must be used to initialized its properties form the HTML form? ()
Which is the true choice about the web container request processing model()?
When using Form Based Authentication, which pair of fields must be used in the login form?()
Which the three interfaces need to be declared in the web application deployment descriptor? ()