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GiventheJSPcode:<%request.setAttribute("foo","bar");%>andtheClassictaghandlercode:5.publicintdoStartTag()throwsJspException{6.//insertcodehere7.//returnint8.}Assumetherearenoother"foo"attributesinthewebapplication.WhichinvocationonthepageContextobject,insertedatline6,assigns"bar"tothevariablex?()
A.Stringx=(String)pageContext.getAttribute("foo")
B.Stringx=(String)pageContext.getRequestScope("foo")
C.ItisNOTpossibletoaccessthepageContextobjectfromwithindoStartTag
D.Stringx=(String)pageContext.getRequest().getAttribute("foo")
E.Stringx=(String)pageContext.getAttribute("foo",PageContext.ANY_SCOPE)
参考答案
更多 “ GiventheJSPcode:%request.setAttribute(foo,bar);%andtheClassictaghandlercode:5.publicintdoStartTag()throwsJspException{6.//insertcodehere7.//returnint8.}Assumetherearenootherfooattributesinthewebapplication.WhichinvocationonthepageContextobject,insertedatline6,assignsbartothevariablex?()A.Stringx=(String)pageContext.getAttribute(foo)B.Stringx=(String)pageContext.getRequestScope(foo)C.ItisNOTpossibletoaccessthepageContextobjectfromwithindoStartTagD.Stringx=(String)pageContext.getRequest().getAttribute(foo)E.Stringx=(String)pageContext.getAttribute(foo,PageContext.ANY_SCOPE) ” 相关考题
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