Daily mistakes

@WebServlet("/test")
public class TestServlet extends HttpServlet {
    
    

   @Override
   protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
    
    
       ArrayList<String> strList = new ArrayList<>();
       strList.add("老六");
       strList.add("老八");
       strList.add("王二麻子");
       request.setAttribute("strList", strList);

       User user = new User("六爷", 23);
       request.getSession().setAttribute("user", user);
       response.sendRedirect(this.getServletContext().getContextPath() + "/result.jsp");

  }

   @Override
   protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
    
    
       doGet(req, resp);
  }
}

The result.jsp page code is as follows

<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
   <title>使用EL从域对象中获取结果</title>
</head>
<body>
<%--获取List集合的第一个元素--%>
${strList[0]}
<%--获取User对象的username--%>
${user.username}
</body>
</html>

Ask what is displayed ________________;

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Origin blog.csdn.net/m0_49194578/article/details/111933932