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单项选择题

Given that session is a valid HttpSession object：  
Int max = session.getAttribute（“MyReallyLongName”）；  
Which is true？（）  

A. The value returned needs to be cast to an int.
B. The getAttribute methos takes two arguments.
C. Primitive CANNOT be stored in the HttpSession.
D. The HttpSession attribute name must NOT exceed eight characters.

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热门试题

多项选择题Uponauser’sfirstvisittothewebsite，whichtwooperationsarealwaysperformedwhenthegetSessionmethodiscalledwithnoargumentsinaservlet？（）

A. All URLs returned by the server are rewritten.
B. An HttpSession object is created if necessary.
C. The user name and password of the user are checked.
D. The session ID is stored in the HTTP response as a cookie.

单项选择题Whichinterfacemustaclassimplementtobeinformedofasessioncreationevent？（）

A. javax.servlet.http.HttpSessionListener
B. javax.servlet.http.HttpSessionBindingListener
C. javax.servlet.http.HttpSessionCreationListener
D. javax.servlet.http.HttpSessionActivationListener

多项选择题Whichthe twoareconcerningtheobjectsavailabletodeveloperscreatingtagfiles？（）

A. The session object must be declared explicity.
B. The request and response objects are available implicity.
C. The output stream is available through the implicit outStream object.
D. The servlet context is available through the implicit servletContext object.
E. The JspContext for the tag file is available through the implicit jspContext object.

单项选择题AssumeataghandlerextendsTagSupport.Whichisusedwithinthetaghandlertogetanattribute“foo”thatisintheapplicationscope？（）

A. pageContext.getAttribute（“foo”）；
B. getPageContext（）.getAttribute（“foo”）；
C. pageContext.getApplicationScope（“foo”）；
D. pageContext.getAttribute（“foo”，pageContext.APPLICATION_SCOPE）.getAttribute（“foo”）；
E. getPageContext（）.getScope（pageContext.APPLICATION_SCOPE）.getAttribute（“foo”）；

多项选择题Whichthe twoaboutWARfilesaretrue？（）

A. WAR files must be located in the web application library directory.
B. WAR files must contain the web application deployment descriptor.
C. WAR files must be created by using archive tools to designed specifically for that purpose. 
D. The web container must serve the content of any META-INF directory located in a WAR file.
E. The web container must allow access to resources in JARs in the web application library directory