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Java认证考试

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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 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.
正确答案:B
答案解析:
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