Servlet问题!!
有以下错误提示是什么原因:
D:\JBuilder8\thirdparty\jakarta-tomcat-4.0.6-LE-jdk14\webapps\examples\WEB-INF\classes\HelloWorldExample.java:8: package javax.servlet does not exist
import javax.servlet.*;
^
D:\JBuilder8\thirdparty\jakarta-tomcat-4.0.6-LE-jdk14\webapps\examples\WEB-INF\classes\HelloWorldExample.java:9: package javax.servlet.http does not exist
import javax.servlet.http.*;
^
D:\JBuilder8\thirdparty\jakarta-tomcat-4.0.6-LE-jdk14\webapps\examples\WEB-INF\classes\HelloWorldExample.java:17: cannot resolve symbol
symbol : class HttpServlet
location: class HelloWorldExample
public class HelloWorldExample extends HttpServlet {
^
D:\JBuilder8\thirdparty\jakarta-tomcat-4.0.6-LE-jdk14\webapps\examples\WEB-INF\classes\HelloWorldExample.java:20: cannot resolve symbol
symbol : class HttpServletRequest
location: class HelloWorldExample
public void doGet(HttpServletRequest request,
^
D:\JBuilder8\thirdparty\jakarta-tomcat-4.0.6-LE-jdk14\webapps\examples\WEB-INF\classes\HelloWorldExample.java:21: cannot resolve symbol
symbol : class HttpServletResponse
location: class HelloWorldExample
HttpServletResponse response)
^
D:\JBuilder8\thirdparty\jakarta-tomcat-4.0.6-LE-jdk14\webapps\examples\WEB-INF\classes\HelloWorldExample.java:22: cannot resolve symbol
symbol : class ServletException
location: class HelloWorldExample
throws IOException, ServletException
^
6 errors