A. Error
B. Exception
C. Throwable
D. Request error
E. Request exception
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Which two are true?()
A. The function method must have the signaturepublic: String spin().
B. The method must be mapped to the logical name “spin” in the web.xml file.
C. The function method must have the signature:public String spinIt().
D. The function method must have the signature:public static String spin().
E. The function method must have the signature:public static String spinIT().
F. The function class must be named Spinner, and must be in the package com.example.
A. ${product ID}
B. ${param.productID}
C. ${params.productID}
D. ${params.productID[1]}
E. ${paramvalues.productID}
F. ${paramValues.productID[0]}
G. ${pageContext.request.productID}
For a given product instance, which three jsp:setProperty attributes must be used to initialized its properties form the HTML form? ()
A. id
B. name
C. type
D. param
E. property
F. reqParam
G. attribute
A session-scoped attribute, product, is stored by a servlet. That servlet then forwards to a JSP page. This attribute holds an instance of the com.Company.
Product class with a name property of “The Matrix” and price property of 39.95. Given the JSP page code snippet:
What is the response output of this JSP page code snippet? ()
A. Default costs 0.0
B. Default costs 49.95
C. Default costs 39.95
D. The Matrix costs 0.0
E. The Matrix costs 49.95
F. The Matrix costs 39.95
A web application uses the HttpSession mechanism to determine if a user is “logged in”. When a user supplies a valid user name and password, an HttpSession is created for that user.
The user has access to the application for only 15 minutes after logging in. The code must determine how long the user has been logged in, and if this time is greater than 15 minutes, must destroy the HttpSession.
Which method in HttpSession is used to accomplish this?()
A. getCreationTime
B. invalidateAfter
C. getLastAccessedTime
D. getMaxInactiveInterval
A. javax.servlet.http.HttpServletRequest
B. javax.servlet.http.HttpSessionContext
C. javax.servlet.http.HttpsServletResponse
D. javax.servlet.http.HttpSessionBindingEvent
E. javax.servlet.http.HttpSessionAttributeEvent
A. HttpSessionListener
B. HttpSessionBindingListener
C. HttpSessionTimedOutListener
D. HttpSessionAttributeListener
E. HttpSessionActivationListener
F. HttpSessionPassivatedListener
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.
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.
A. javax.servlet.http.HttpSessionListener
B. javax.servlet.http.HttpSessionBindingListener
C. javax.servlet.http.HttpSessionCreationListener
D. javax.servlet.http.HttpSessionActivationListener
最新试题
Given a JSP error page, which implicit object refers to the uncaught Throwable that resulted in th epage being invoked?()
Which statement, at line 16, retrieves an InputStream for the file /WEBINF/ nyresrc.bin()?
Which code snippet, inserted at line 8, causes the value Company to be output?()
Which the three are true about servlet filters?()
Assume session is an HttpSession, and is not referenced anywhere else in ServletA. Which two changes, taken together, ensure that value is equal to “Hello” on line 23? ()
A session-scoped attribute, product, is stored by a servlet. That servlet then forwards to a JSP page. This attribute holds an instance of the com.Company. Product class with a name property of “The Matrix” and price property of 39.95. Given the JSP page code snippet:What is the response output of this JSP page code snippet? ()
Which path, relative to a web application’s root, identifies the web application’s deployment descriptor?()
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? ()
Which the two are valid and equivalent?()
Which three are guaranteed to be valid for the element of a web application deployment descriptor?()