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Import javax.servlet. *;
Import javax.servlet.http. *;
Import java.io. *;
Public class Concurrent Test extends HttpServlet {PrintWriter output;
Public void service (HttpServletRequest request,
HttpServletResponse response) throws ServletException, IOException {String username;
Response.setContentType ("text/html; charset=gb2312");
Username = request.getParameter ("username");
Output = response.getWriter ();
Try {Thread. sleep (5000); //ΪÁËÍ»³ö²¢·¢ÎÊÌ⣬ÔÚÕâÉèÖÃÒ»¸öÑÓʱ
} Catch (Interrupted Exception e){}
output.println("̞:"+Username+"<BR>");
}
}
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{
/**
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