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通过内置对象request，不能够将值从servlet向jsp文件传递。
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Your web application uses a simple architecture in which servlets handle requests and then forward to aJSP using a request dispatcher. You need to pass information calculated in the servlet to the JSP for view generation.This information must NOT be accessible to any other servlet，JSP or session in the webapp. Which two techniques can you use to accomplish this goal？（）A、Add attributes to the session object.B、Add attributes on the request object.C、Add parameters to the request object.D、Use the pageContext object to add request attributes.E、Add parameters to the JSP’s URL when generating the request dispatcher.
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单选题在J2EE中以下对Request.Dispatcher描述正确的是（）。A
JSP中有一个隐含的对象diapatcher，它的类型是Request.DispatcherB
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单选题在Java EE中，关于创建HttpServletRequest对象的说法正确的是（）。A
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以上都不对
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Dispatcher view=context.getDispatcher（viewURL）；view.forward Request（request， response）；B
Dispatcher view=request.getDispatcher（viewURL）；view.forward Request（request， response）；C
RequestDispatcher view. =context.getRequestDispatcher（viewURL）；view.forward（request，response）；D
RequestDispatcher view=request.getRequestDispatcher（viewURL）；view.forward（request， response）；
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多选题Your web application uses a simple architecture in which servlets handle requests and then forward to aJSP using a request dispatcher. You need to pass information calculated in the servlet to the JSP for view generation.This information must NOT be accessible to any other servlet，JSP or session in the webapp. Which two techniques can you use to accomplish this goal？（）AAdd attributes to the session object.BAdd attributes on the request object.CAdd parameters to the request object.DUse the pageContext object to add request attributes.EAdd parameters to the JSP’s URL when generating the request dispatcher.
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单选题Your web application uses a simple architecture in which servlets handle requests and then forward to aJSP using a request dispatcher. You need to pass information calculated by the servlet to the JSP；furthermore， that JSP uses a custom tag and must also process this information. This information mustNOT be accessible to any other servlet， JSP or session in the webapp. How can you accomplish this goal？（）A
Store the data in a public instance variable in the servlet.B
Add an attribute to the request object before using the request dispatcher.C
Add an attribute to the context object before using the request dispatcher.D
This CANNOT be done as the tag handler has no means to extract this data.
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单选题当属性scope的值为application时，JSP动作定义的JavaBean实例就会被存储到（）对象中。A
Servlet ContextB
Http SessionC
Servlet ApplicationD
Http Servlet Request
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