Parameters and arguments

The "address of" operator Also used to specify call-by-referenceparameter. No coincidence!, Recall: call-by-reference parameters pass"address of" the actual argument

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Used to provide access to caller’sactual argument Caller’s data can be modified by called function! Typically used for input function To retrieve data for caller Data is then "given" to caller. Specified by ampersand, &, after type in formal parameter list

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provide request information for HTTP servlets. The servlet container creates an HttpServletRequest object and passes it as an argument to the servlet's service methods (doGet, doPost, etc).Client request information including : parameter name and values, and an input stream Attributes : custom information about a request. Extends the ServletRequest interface Returns the value of attribute : public Object getAttribute(String name)

36p nguyenvanhabk1 04-09-2012 105 7   Download