Given： 3.public class&ensp

多项选择题 Given： 3.public class MyTagHandler extends TagSupport { 4.public int doStartTag（） { 5.// insert code here 6.// return an int 7.} 8.// more code here ... 18.} There is a single attribute foo in the session scope. Which three code fragments，inserted independently atline 5，return the value of the attribute？（）: A、Object o = pageContext.getAttribute（"foo"）；; B、Object o = pageContext.findAttribute（"foo"）；; C、Object o = pageContext.getAttribute（"foo"，PageContext.SESSION_SCOPE）；; D、HttpSession s = pageContext.getSession（）；Object o = s.getAttribute（"foo"）；

热门试题