多项选择题

A developer chooses to avoid using SingleThreadModel but wants to ensure that data is updated in a thread-safe manner. Which two can support this design goal？（）

A. Store the data in a vocal variable.
B. Store the data in an instance variable.
C. Store the data in the HttpSession object.
D. Store the data in the ServletContext object.
E. Store the data in the ServletRequest object.

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热门试题

多项选择题ARequestDispatchercanbeobtainedfromwhichtwoobjects？（）

A. ServletConfig
B. ServletContext
C. HttpServletRequest
D. HttpServletResponse

多项选择题Inwhichtwolocationscanlibrarydependenciesbedefinedforawebapplication？（）

A. the web application deployment descriptor
B. the /META-INF/dependencies.xml file
C. the /META-INF/MANIFEST.MF manifest file
D. the /META-INF/MANIFEST.MF manifest of a JAR in the web application classpath

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A.A
B.B
C.C
D.D
E.E

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A. session configuration
B. MIME type mappings
C. context root for the application
D. servlet instance pool configuration
E. web container default port bindings
F. ServletContext initialization parameters

单项选择题Which makes the local EJB component accessible to the web components in the web application deployment descriptor？（）

A.A
B.B
C.C
D.D