單項選擇題

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)


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2.單項選擇題

Click the Exhibit button.

The attribute "name" has a value of "Foo,"
What is the result if this tag handler’s tag is invoked?()

A.Foo
B.done
C.Foodone
D.An exception is thrown at runtime
E.No output is produced from this code
F.Compilation fails because of an error in this code