单选题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, inse

题目
单选题
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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