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单选题
Which retrieves the value associated with “foo” from within an HttpServlet？（）
A
String value = getServletConfig（ ）.getParameter（“foo”）；
B
String value = getServletContext（ ）.getAttribute（“foo”）；
C
Object value = getServletContext（ ）.getInitParameter（“foo”）；
D
String value = getServletContext（ ）.getInitParameter（“foo”）
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GiventheHttpServletcode:getServletContext().setAttribute(“foo”,“value”);Whatistheresult?()
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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.
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填空题5. String foo = “base”； 6. foo.substring（0，3）； 7. foo.concat（“ket”） 8. Type the value of foo at line 8.（）
考题
填空题3. string foo = “ABCDE”； 4. foo.substring（3）； 5. foo.concat（“XYZ”）； 6. Type the value of foo at line 6.（）
考题
单选题public class test（ public static void main（string[]args）{ string foo = args [1]； string foo = args [2]； string foo = args [3]； } ） And command line invocation： Java Test red green blue What is the result？（）A
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考题
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.BCompilation fails because getInitParameter returns type Object.CThe foo initialization parameter is NOT a servlet initialization parameter.DCompilation fails because ServletContext does NOT have a getInitParameter method.EThe foo parameter must be defined within the element of the deployment descriptor.
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考题
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考题
单选题Which HttpSession method stores an object in a session？（）A
put（String name. Object value）B
set（String name. Object value）C
setAttribute（String name. Object value）D
putAttribute（String name. Object value）E
addAttribute（String name. Object value）
考题
单选题Given the HttpServlet code： getServletContext（）.setAttribute（“foo”， “value”）； What is the result？（）A
The attribute foo is placed in the applicationB
A ServletContextListener registered for that servlet is notifiedC
A ServletAttributeListener registered for that servlet is notifiedD
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考题
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考题
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考题
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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
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考题
单选题Given the JSP code： 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
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String x = （String） pageContext.getRequest（）.getAttribute（foo）E
String x = （String） pageContext.getAttribute（foo， PageContext.ANY_SCOPE）
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