多选题Given: String value = getServletContext().getInitParameter("foo"); in an HttpServlet and a web applicationdeployment descriptor that contains: foo frodo Which two are true?()AThe foo initialization parameter CANNOT be set programmatically.BCompilatio

题目
多选题
Given: String value = getServletContext().getInitParameter("foo"); in an HttpServlet and a web applicationdeployment descriptor that contains: foo frodo Which two are true?()
A

The foo initialization parameter CANNOT be set programmatically.

B

Compilation fails because getInitParameter returns type Object.

C

The foo initialization parameter is NOT a servlet initialization parameter.

D

Compilation fails because ServletContext does NOT have a getInitParameter method.

E

The foo parameter must be defined within the  element of the deployment descriptor.

参考答案和解析
正确答案: A,C
解析: 暂无解析
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相似问题和答案

第1题:

Given: 6.<% int[] nums = {42, 420, 4200}; 7.request.setAttribute("foo", nums); %> Which two successfully translate and result in a value of true?()

  • A、${true or false}
  • B、${requestScope[foo][0] > 500}
  • C、${requestScope[’foo’][1] = 420}
  • D、${(requestScope[’foo’][0] lt 50) && (3 gt 2)}

正确答案:A,D

第2题:

Given an EL function foo, in namespace func, that requires a long as a parameter and returns a Map, which two are valid invocations of function foo?()

  • A、 ${func(1)}
  • B、 ${foo:func(4)}
  • C、 ${func:foo(2)}
  • D、 ${foo(5):func}
  • E、 ${func:foo(“easy”)}
  • F、 ${func:foo(“3”).name}

正确答案:F

第3题:

Given:Stringvalue=getServletContext().getInitParameter("foo");inanHttpServletandawebapplicationdeploymentdescriptorthatcontains:<context-param><param-name>foo</param-name><param-value>frodo</param-value></context-param>Whichtwoaretrue?()

A.ThefooinitializationparameterCANNOTbesetprogrammatically.

B.CompilationfailsbecausegetInitParameterreturnstypeObject.

C.ThefooinitializationparameterisNOTaservletinitializationparameter.

D.CompilationfailsbecauseServletContextdoesNOThaveagetInitParametermethod.

E.Thefooparametermustbedefinedwithintheelementofthedeploymentdescriptor.


参考答案:A, C

第4题:

3. string foo = “ABCDE”;  4. foo.substring(3);   5. foo.concat(“XYZ”);   6.   Type the value of foo at line 6.()


正确答案:ABCDE

第5题:

String foo = “blue”;  Boolean[]bar = new Boolean [1];  if (bar[0])  {  foo = “green”;  }   What is the result? () 

  • A、 Foo has the value of “”
  • B、 Foo has the value of null.
  • C、 Foo has the value of “blue”
  • D、 Foo has the value of “green”
  • E、 An exception is thrown.
  • F、 The code will not compile.

正确答案:F

第6题:

Given: String value = getServletContext().getInitParameter("foo"); in an HttpServlet and a web applicationdeployment descriptor that contains: foo frodo Which two are true?()

  • A、The foo initialization parameter CANNOT be set programmatically.
  • B、Compilation fails because getInitParameter returns type Object.
  • C、The foo initialization parameter is NOT a servlet initialization parameter.
  • D、Compilation fails because ServletContext does NOT have a getInitParameter method.
  • E、The foo parameter must be defined within the  element of the deployment descriptor.

正确答案:A,C

第7题:

Given:  8.int index = 1:  9.Boolean [] test = new boolcan [3];  10.boolcan foo = test [index];   What is the result()?  

  • A、 foo has the value of 0.
  • B、 foo has the value of null.
  • C、 foo has the value of true.
  • D、 foo has the value of false.
  • E、 An-exception is thrown.
  • F、 The code will not compile.

正确答案:D

第8题:

int index = 1;   String test = new String;   String foo = test[index];  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

正确答案:B

第9题:

Given the JSP code: <% request.setAttribute("foo", "bar"); %>and the Classic tag handler code: 5. public int doStartTag() throws JspException { 6. // insert code here 7. // return int 8. } Assume there are no other "foo" attributes in the web application. Which invocation on the pageContextobject,inserted at line 6,assigns "bar" to the variable x?()

  • A、String x = (String) pageContext.getAttribute("foo")
  • B、String x = (String) pageContext.getRequestScope("foo")
  • C、It is NOT possible to access the pageContext object from within doStartTag
  • D、String x = (String) pageContext.getRequest().getAttribute("foo")
  • E、String x = (String) pageContext.getAttribute("foo", PageContext.ANY_SCOPE)

正确答案:D

第10题:

Given the HttpServlet code:   getServletContext().setAttribute(“foo”, “value”); What is the result?()

  • A、 The attribute foo is placed in the application
  • B、 A ServletContextListener registered for that servlet is notified
  • C、 A ServletAttributeListener registered for that servlet is notified
  • D、 An HttpSessionAttributeListener registered for that servlet is notified

正确答案:A

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