单项选择题
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.
相关考题
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单项选择题
Whichthe statementistrue？（）
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. -
单项选择题
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）： -
单项选择题
GivenanHttpSessionsession.AServletRequestrequest.AndaServletContextcontext.WhichretrievesaURLto/WEBINF/myconfig.xmlwithinawebapplication？（）
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”）
