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单选题
Given the definition of MyServlet： 11.public class MyServlet extends HttpServlet { 12.public void service（HttpServletRequest request， 13.HttpServletResponse response） 14.throws ServletException， IOException { 15.HttpSession session = request.getSession（）； 16.session.setAttribute（"myAttribute"，"myAttributeValue"）； 17.session.invalidate（）； 18.response.getWriter（）.println（"value=" + 19.session.getAttribute（"myAttribute"））； 20.} 21.} What is the result when a request is sent to MyServlet？（）
A
An IllegalStateException is thrown at runtime.
B
An InvalidSessionException is thrown at runtime.
C
The string value=null appears in the response stream.
D
The string value=myAttributeValue appears in the response stream.
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更多 “单选题Given the definition of MyServlet： 11.public class MyServlet extends HttpServlet { 12.public void service（HttpServletRequest request， 13.HttpServletResponse response） 14.throws ServletException， IOException { 15.HttpSession session = request.getSession（）； 16.session.setAttribute（"myAttribute"，"myAttributeValue"）； 17.session.invalidate（）； 18.response.getWriter（）.println（"value=" + 19.session.getAttribute（"myAttribute"））； 20.} 21.} What is the result when a request is sent to MyServlet？（）A An IllegalStateException is thrown at runtime.B An InvalidSessionException is thrown at runtime.C The string value=null appears in the response stream.D The string value=myAttributeValue appears in the response stream.” 相关考题
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Given:http:／／com.example／myServlet.jsp?num=onenum=twonum=three.Whichtwoproducetheoutputone,twoandthree?()
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Given:Which statement is true about the class of an object that can reference the variable base? ()
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( ) is an important concept since it allows reuse of a class definition without requiring major code changes.A.Inheritance
B.Polymorphism
C.Encapsulation
D.DatA.hiding
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Which thethree are valid URL mappings to a servlet in a web deployment descriptor？ （）A、 */*B、 /*.doC、 myServletD、 /MyservletE、 /MyServlet/*F、 MyServlet/*.isp
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Given the web application deployment descriptor elements： 11. 12.ParamAdder 13.com.example.ParamAdder 14.... 24. 25.ParamAdder 26.MyServlet 27. 28. Which element， inserted at line 27，causes the ParamAdder filter to be applied when MyServlet is invokedby another servlet using the RequestDispatcher.include method？（）A、include/B、dispatcherINCLUDE/dispatcherC、dispatcherinclude/dispatcherD、filter-conditionINCLUDE/filter-conditionE、filter-conditioninclude/filter-condition
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public class X { public X aMethod（） { return this；} } public class Y extends X { } Which two methods can be added to the definition of class Y？（）A、 public void aMethod（） {}B、 private void aMethod（） {}C、 public void aMethod（String s） {}D、 private Y aMethod（） { return null； }E、 public X aMethod（） { return new Y（）； }
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Given the following interface definition， which definitions are valid？（） interface I { void setValue（int val）； int getValue（）； } DEFINITION a： （a） class a extends I { int value； void setValue（int val） { value = val； } int getValue（） { return value； } } DEFINITION b： （b） interface b extends I { void increment（）； } DEFINITION c： （c） abstract class c implements I { int getValue（） { return 0； } abstract void increment（）； } DEFINITION d： （d） interface d implements I { void increment（）； } DEFINITION e： （e） class e implements I { int value； public void setValue（int val） { value = val； } } A、Definition a.B、Definition b.C、Definition c.D、Definition d.E、Definition e.
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You create a server control that inherits from WebControl. You need to enable the server control to emit markup for a new kind of mobile device. You must not alter the code in the server controls. Which two actions should you perform?（）A、Create a class that inherits HtmlTextWriter and that can emit the new markup.B、Create a class that inherits StreamWriter and that can emit the new markup.C、Reference the class in the capabilities element of the new device's browser definition file.D、Reference the class in the controlAdapters element of the new device's browser definition file.
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多选题Given the following interface definition， which definitions are valid？（） interface I { void setValue（int val）； int getValue（）； } DEFINITION a： （a） class a extends I { int value； void setValue（int val） { value = val； } int getValue（） { return value； } } DEFINITION b： （b） interface b extends I { void increment（）； } DEFINITION c： （c） abstract class c implements I { int getValue（） { return 0； } abstract void increment（）； } DEFINITION d： （d） interface d implements I { void increment（）； } DEFINITION e： （e） class e implements I { int value； public void setValue（int val） { value = val； } }ADefinition a.BDefinition b.CDefinition c.DDefinition d.EDefinition e.
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多选题Given： http：//com.example/myServlet.jsp？num=onenum=twonum=three. Which two produce the output"one， two and three"？（）A${param.num[0]，[1] and [2]}B${paramValues[0]，[1] and [2]}C${param.num[0]}， ${param.num[1]} and ${param.num[2]}D${paramValues.num[0]}， ${paramValues.num[1]} and ${paramValues.num[2]}E${paramValues[num][0]}， ${paramValues[num][1]} and ${paramValues[num][2]}
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单选题Given： 11.public class MyServlet extends HttpServlet { 12.public void service（HttpServletRequest request， 13.HttpServletResponse response） 14.throws ServletException， IOException { 15.// insert code here 16.} 17.} and this element in the web application’s deployment descriptor： 302 /html/error.html Which，inserted at line 15，causes the container to redirect control to the error.html resource？（）A
response.setError（302）；B
response.sendError（302）；C
response.setStatus（302）；D
response.sendRedirect（302）；E
response.sendErrorRedirect（302）；
考题
单选题Given the web application deployment descriptor elements： 11. 12.ParamAdder 13.com.example.ParamAdder 14.... 24. 25.ParamAdder 26.MyServlet 27. 28. Which element， inserted at line 27，causes the ParamAdder filter to be applied when MyServlet is invokedby another servlet using the RequestDispatcher.include method？（）A
include/B
dispatcherINCLUDE/dispatcherC
dispatcherinclude/dispatcherD
filter-conditionINCLUDE/filter-conditionE
filter-conditioninclude/filter-condition
考题
多选题Given： 3.class MyServlet extends HttpServlet { 4.public void doPut（HttpServletRequest req， HttpServletResponse resp） throws ServletException，IOException { 5.// servlet code here ... 26.} 27.} If the DD contains a single security constraint associated with MyServlet and its only tagsand tags are：GETPUT Admin Which four requests would be allowed by the container？（）AA user whose role is Admin can perform a PUT.BA user whose role is Admin can perform a GET.CA user whose role is Admin can perform a POST.DA user whose role is Member can perform a PUT.EA user whose role is Member can perform a POST.FA user whose role is Member can perform a GET.
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多选题Given 11.public interface Status { 12./* insert code here */ int MY_VALUE = 10； 13.} Which three are valid on line 12？（）AfinalBstaticCnativeDpublicEprivate
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单选题Given the web application deployment descriptor elements： 11. 12.ParamAdder 13.com.example.ParamAdder 14.... 24. 25.ParamAdder 26.MyServlet 27. 28. Which element， inserted at line 27，causes the ParamAdder filter to be applied when MyServlet is invokedby another servlet using the RequestDispatcher.include method？（）A
include/B
dispatcherINCLUDE/dispatcherC
dispatcherinclude/dispatcherD
filter-conditionINCLUDE/filter-conditionE
filter-conditioninclude/filter-condition
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多选题public class X { public X aMethod（） { return this；} } public class Y extends X { } Which two methods can be added to the definition of class Y？（）Apublic void aMethod（） {}Bprivate void aMethod（） {}Cpublic void aMethod（String s） {}Dprivate Y aMethod（） { return null； }Epublic X aMethod（） { return new Y（）； }
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多选题Which three are valid URL mappings to a servlet in a web deployment descriptor？ （）A*/*B/*.doCmyServletD/MyservletE/MyServlet/*FMyServlet/*.isp
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单选题Given the definition of MyServlet： 11.public class MyServlet extends HttpServlet { 12.public void service（HttpServletRequest request， 13.HttpServletResponse response） 14.throws ServletException， IOException { 15.HttpSession session = request.getSession（）； 16.session.setAttribute（"myAttribute"，"myAttributeValue"）； 17.session.invalidate（）； 18.response.getWriter（）.println（"value=" + 19.session.getAttribute（"myAttribute"））； 20.} 21.} What is the result when a request is sent to MyServlet？（）A
An IllegalStateException is thrown at runtime.B
An InvalidSessionException is thrown at runtime.C
The string value=null appears in the response stream.D
The string value=myAttributeValue appears in the response stream.
考题
单选题You need to create a class definition that is interoperable along with COM.You need to ensure that COM applications can create instances of the class and can call the GetAddress method. Which code segment should you use？（）A
AB
BC
CD
D
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