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); //为了突出并发问题,在这设置一个延时
} Catch (Interrupted Exception e){}
output.println("用户名:"+Username+"
");
}
}
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