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Given： 11.<% 12.request.setAttribute（"vals"， new String[]{"1"，"2"，"3"，"4"}）； 13.request.setAttribute（"index"， "2"）； 14.%> 15.<%-- insert code here --%> Which three EL expressions， inserted at line 15，are valid and evaluate to "3"？（）
- A、${vals.2}
- B、${vals["2"]}
- C、${vals.index}
- D、${vals[index]}
- E、${vals}[index]
- F、${vals[vals[index-1]]}
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更多 “ Given： 11.% 12.request.setAttribute（"vals"， new String[]{"1"，"2"，"3"，"4"}）； 13.request.setAttribute（"index"， "2"）； 14.% 15.%-- insert code here --% Which three EL expressions， inserted at line 15，are valid and evaluate to "3"？（）A、${vals.2}B、${vals["2"]}C、${vals.index}D、${vals[index]}E、${vals}[index]F、${vals[vals[index-1]]}” 相关考题
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