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以下示例来自oracle控制器示例。他们将doGet的所有内容转换为另一种方法。为什么要添加这个额外的抽象层?为什么将doGet抽象为processRequest?
/** Handles the HTTP <code>GET</code> method.
* @param request servlet request
* @param response servlet response
*/
protected void doGet(HttpServletRequest request,
HttpServletResponse response)
throws ServletException, java.io.IOException {
processRequest(request, response);
}