单项选择题

Which the JSTL code snippet can be used to import content from another web resource？（）

A. <c：import url=*foo.jsp”/>
B. <c：import page=*foo.jsp”/>
C. <c：include url=*foo.jsp”/>
D. <c：include page=*foo.jsp”/>
E. Importing cannot be done in JSTL. A standard action must be used instead.

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多项选择题

A custom JSP tag must be able to support an arbitrary number of attributes whose names are unknown when the tag class is designed.
Which two are true？（）

A. A element in the echo tag LTD must have the value JSP
B. The echo tag handler must define the setAttribute （String key， String value） method
C. The true element must appear in the echo tag TLD
D. The class implementing the echo tag handler must implement the javax.sevlet.jsp.tagext.IterationTag interface
E. The class implementing the echo tag handler must implement the javax.sevlet.jsp.tagext.DynamicAttributes interface

多项选择题

Which the two are valid and equivalent？（）

A.
B.
C.
D.
E.

单项选择题

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？（）

A. Command
B. Transfer object
C. Service locator
D. Session Façade
E. Business delegate
F. Data access object