多项选择题

A.The doStartTag method is called once.B.The doAfterBod……

Given：
6.<myTag：foo bar=’42’>
7.<%="processing" %>
8.</myTag：foo> and a custom tag handler for foo which extends TagSupport.
Which two are true about thetag handler referenced by foo？（）

A.The doStartTag method is called once.
B.The doAfterBody method is NOT called.
C.The EVAL_PAGE constant is a valid return value for the doEndTag method.
D.The SKIP_PAGE constant is a valid return value for the doStartTag method.
E.The EVAL_BODY_BUFFERED constant is a valid return value for the doStartTag method.

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单项选择题Given： 5.public class MyTagHandler extends TagSupport { 6.public int doStartTag（） throws JspException { 7.try { 8. insert code here 9.} catch（Exception ex） { * handle exception * } 10.return super.doStartTag（）； 11.}...42. } Which code snippet， inserted at line 8，causes the value foo to be output？（）

A.JspWriter w = pageContext.getOut（）；
B.print（"foo"）；
C.JspWriter w = pageContext.getWriter（）；
D.JspWriter w = new JspWriter(pageContext.getWriter()); . w.print("foo");

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C.The function method must have the signature： public String spinIt（）.
D.The function method must have the signature public static String spin（）.
E.The function method must have the signature： public static String spinIt（）.
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A.${userName}
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A.${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]}
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