A. GET
B. INFO
C. HEAD
D. TRACE
E. OPTIONS
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A. Account account = request.get Resource(”account”):
B. Account account = request.get Attribute (“account”):
C. Account account = request.get Parameter (account”):
D. Account account = (Account)request.getResource (“account”):
E. Account account = (Account) request.get Attribute (“account”):
F. Account account = (Account) request.get Paramter (“account”):
What is the result?()
A. Compilation succeeds.
B. An error at line 2 cause compilation to fail.
C. An error at line 9 cause compilation to fail.
D. An error at line 10 cause compilation to fail.
E. An error at line 11 cause compilation to fail.
What is the result?()
A. The program runs and prints “Hello”
B. An error causes compilation to fail.
C. The program runs and prints “Hello world!”.
D. The program runs but aborts with an exception.
What is the result?()
A. foo has the value””
B. foo has the value null.
C. An exception is thrown.
D. The code will not compile.
A. The Error class is a Runtime Exception.
B. No exceptions are subclasses of Error.
C. Any statement that may throw an Error must be enclosed in a try block.
D. any statement that may throw an Exception must be enclosed in a try block.
E. Any statement that may throw an Runtime Exception must be enclosed in a try block.
Which code snippet inserted at line 12 cause the client to redirect tohttp://www.example.com?()
A. response.send Redirect (http://www.example.com):
B. response.send Redirect (new URL (“http://www.example.com”));
C. Request Dispatcher rd= get Servlet Context (). Get Request Dispatcher ( http://www.example.com”)’ rd. forward (request. Response):
D. Request Dispatch rd= Get Servlet Context ().get Request Dispatcher( New URL (http://www.example.com)); Rd. forward (request.response):
A. session.get Resource (“/WEB-INF/myconfig.xml”)
B. request.get Resource (“/WEB-INF/myconfig.xml”)
C. context.get Resource (“/WEB-INF/myconfig.xml”)
D. get Class ().get Resource (“/WEB-INF/myconfig.xml”)
A. abstract public void methoda ();
B. public abstract double inethoda ();
C. static void methoda (double dl) {}
D. public native double methoda () {}
E. protected void methoda (double dl) {}
A. float foo = -1;
B. float foo = 1.0;
C. float foo = 42el:
D. float foo = 2.02f:
E. float foo = 3.03d:
A. Member data have no access modifiers.
B. Member data can be modified directly.
C. The access modifier for methods is protected.
D. The access modifier to member data is private.
E. Methods provide for access and modification of data.
最新试题
Which two produce the output "one, two and three"?()
Given that session is a valid HttpSession object: Int max = session.getAttribute(“MyReallyLongName”); Which is true?()
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? ()
For a given product instance, which three jsp:setProperty attributes must be used to initialized its properties form the HTML form? ()
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?()
What code, inserted at line 21, is called prior to a session being migrated to a different JVM assuming the web application containing MyExample is deployed in a container which supports distributed applications?()
Which two classes or interfaces provide a getSession method?()
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 three interfaces need to be declared in the web application deployment descriptor? ()
Which three are guaranteed to be valid for the element of a web application deployment descriptor?()