多项选择题

Which two directives are applicable only to tag files？（）

A.Tag
B.Page
C.Taglib
D.Include
E.Variable

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单项选择题

You are creating a library of custom tags that mimic the HTML form tags. When the user submits a formthat fails validation， the JSP form is forwarded back to the user. The<t：textField> tag must support the ability to re-populate the form field with the request parameters from theuser’s last request. For example， if the user entered "Samantha" in the text field called firstName， then theform is re-populated like this：

Which tag handler method will accomplish thisgoal？（）

A.
B.
C.
D.

单项选择题

Which statement is true if the doStartTag method returns EVAL_BODY_BUFFERED？（）

A.The tag handler must implement BodyTag.
B.The doAfterBody method is NOT called.
C.The setBodyContent method is called once.
D.It is never legal to return EVAL_BODY_BUFFERED from doStartTag.

单项选择题

Assume the tag handler for a st：simple tag extends Simple Tag Support.
In what way can scriptlet code beused in the body of st：simple？（）

A.Set the body content type to JSP in the TLD
B.Scriptlet code is NOT legal in the body of st：simple.
C.Add scripting-enabled="true" to the start tag for the st：simple element
D.Add a pass-through Classic tag with a body content type of JSP to the body of st：simple， and place the scriptlet code in the body of that tag