A. a base-64 encoded user name and password
B. a form that POSTs to the j_security_check URL
C. an applet that requests the user name and password from the user
D. a hidden field that supplies the login-constraint used by the application
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A. id
B. type
C. name
D. class
E. scope
F. create
A. response.getWriter（）
B. response.getOutputStream（）
C. response.getOutputWriter（）
D. response.getWriter（）.getOutputSTream（）
E. response.getWriter（Writer.OUTPUT_BINARY）
A. GET
B. INFO
C. HEAD
D. TRACE
E. OPTIONS
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”）
最新试题
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 produce the output "one， two and three"？（）
Which two are true？（）
Which three can be placed at line 23 to retrieve an existing HttpSession object？（）
Given that session is a valid HttpSession object： Int max = session.getAttribute（“MyReallyLongName”）； Which is true？（）
Which the three EL expressions， inserted at line 15， are valid and evaluate to "3"？ （）
Assume the tag handler for a st：simpletag extends SimpleTagSupport. In what way can scriptlet code be used in the body of st：simple？（）
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？（）
The tag handler for n：recurse extends SimpleTagSupport.Assuming an n：recurse tag can either contain an empty body or another n：recurse tag， which strategy allows the tag handler for n：recurse to output the nesting depth of the deepest n：recurse tag？（）
Which is the true choice about the web container request processing model（）？