LoginServlet是一个Servlet类,代码如下 public class LoginServlet extends ___________ { public void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException { … } public void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException { … } } 在下划线处应填写()
LoginServlet是一个Servlet类,代码如下 public class LoginServlet extends ___________ { public void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException { … } public void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException { … } } 在下划线处应填写()
给定如下所示的Java Servlet代码片段,用户在浏览器地址栏中键入正确的请求URL并回车后,在控制台上显示的结果是()。 public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException{ System.out.println(“get”); } public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException{ System.out.println(“post”); } protected void service(HttpServletRequest req, HttpSergvletResponse resp) throws ServletException, IOException{ System.out.println(“service”); }
给定如下所示的Java Servlet代码片段,用户在浏览器地址栏中键入正确的请求URL并回车后,在控制台上显示的结果是()。 public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException{ System.out.println(“get”); } public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException{ System.out.println(“post”); } protected void service(HttpServletRequest req, HttpSergvletResponse resp) throws ServletException, IOException{ System.out.println(“service”); }
javax.servlet包中包含了两个异常类 A: IOException B: Exception C: ServletException D: UnavilableException E: Throws
javax.servlet包中包含了两个异常类 A: IOException B: Exception C: ServletException D: UnavilableException E: Throws
智慧职教: 在Servlet中有如下代码段: public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { RequestDispatcher dis; _____________________________; dis.forward(request,response); }
智慧职教: 在Servlet中有如下代码段: public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { RequestDispatcher dis; _____________________________; dis.forward(request,response); }
中国大学MOOC: 给定某Servlet程序的片段如下,用户在浏览器地址栏中键盘键入正确的请求URL并回车后,在控制台上显示的结果是( )。 public void doGet(HttpServletRequest request,HttpServletResponse response) throws ServletException ,IOException{ System.out.println(get); } public void doPost(HttpServletRequest request,HttpServletResponse response) throws ServletException ,IOException { System.out.println(post); }
中国大学MOOC: 给定某Servlet程序的片段如下,用户在浏览器地址栏中键盘键入正确的请求URL并回车后,在控制台上显示的结果是( )。 public void doGet(HttpServletRequest request,HttpServletResponse response) throws ServletException ,IOException{ System.out.println(get); } public void doPost(HttpServletRequest request,HttpServletResponse response) throws ServletException ,IOException { System.out.println(post); }
在Servlet中有一段代码如下 public void doPostthrows ServletException,IOException{ request.setAttribute(name,new Integer(100)); response.sendRedirect(show.jsp);} 在show.jsp中 <%=request.getAttribute(name )%>页面结果为()
在Servlet中有一段代码如下 public void doPostthrows ServletException,IOException{ request.setAttribute(name,new Integer(100)); response.sendRedirect(show.jsp);} 在show.jsp中 <%=request.getAttribute(name )%>页面结果为()
给定一个Servlet的代码片段如下: Public void doGet(HttpServletRequest request,HttpServletResponse response) throws ServletException,IOException{ ______ out.println("hi kitty! "); out.close(); } 运行Servlet时输出:hi kitty! 则应在此Servlet下划线处填充如下代码
给定一个Servlet的代码片段如下: Public void doGet(HttpServletRequest request,HttpServletResponse response) throws ServletException,IOException{ ______ out.println("hi kitty! "); out.close(); } 运行Servlet时输出:hi kitty! 则应在此Servlet下划线处填充如下代码
在Servlet中有一段代码为: public void doPost(HttpServletRequest request, HttpServletResponse response)throws ServletException, IOException { request.setAttribute('y', new Integer(100)); response.sendRedirect('show.jsp'); }在show.jsp中;页面结果为 ( )。 A: java.lang.Integer B: 是null C: 100 D: Integer
在Servlet中有一段代码为: public void doPost(HttpServletRequest request, HttpServletResponse response)throws ServletException, IOException { request.setAttribute('y', new Integer(100)); response.sendRedirect('show.jsp'); }在show.jsp中;页面结果为 ( )。 A: java.lang.Integer B: 是null C: 100 D: Integer
阅读下列的代码 public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException,IOException{ out.println("hello kity!"); } 若使Servlet运行的结果为hi kitty!,填写在空白处的代码为() 则应在此Servlet下划线处添加如下()代码
阅读下列的代码 public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException,IOException{ out.println("hello kity!"); } 若使Servlet运行的结果为hi kitty!,填写在空白处的代码为() 则应在此Servlet下划线处添加如下()代码
在Servlet中有一段代码为: public void doPost(HttpServletRequest request, HttpServletResponse response)throws ServletException, IOException { request.setAttribute('y', new Integer(100)); response.sendRedirect('show.jsp'); }在show.jsp中<%=request.getAttribute('y')%>页面结果为 ( )。 A: Integer B: java.lang.Integer C: 是null D: 100
在Servlet中有一段代码为: public void doPost(HttpServletRequest request, HttpServletResponse response)throws ServletException, IOException { request.setAttribute('y', new Integer(100)); response.sendRedirect('show.jsp'); }在show.jsp中<%=request.getAttribute('y')%>页面结果为 ( )。 A: Integer B: java.lang.Integer C: 是null D: 100