<%@ page language="java" import="net.sf.json.JSONArray" %>

 <%
  JSONArray arrayObj=new JSONArray();
   arrayObj.add("MCA");
   arrayObj.add("Amit Kumar");
   arrayObj.add("19-12-1986");
   arrayObj.add(24);
   arrayObj.add("Scored");
   arrayObj.add(new Double(66.67));
%>
<h2>Array Object is =></h2> <%=arrayObj%>
<br><hr>
<%  for(int i=0;i<arrayObj.size();i++){  %>
          <%=arrayObj.getString(i)%>
<%
  }
%>

我得到的错误是

org.apache.jasper.JasperException: Unable to compile class for JSP:

An error occurred at line: 6 in the generated java file
Only a type can be imported. net.sf.json.JSONArray resolves to a package

An error occurred at line: 19 in the jsp file: /index.jsp
JSONArray cannot be resolved to a type
16:         <%@ page language="java" import="net.sf.json.JSONArray" %>
17:  
18:         <%
19:         JSONArray arrayObj=new JSONArray();
20:         arrayObj.add("MCA");
21:          arrayObj.add("Amit Kumar");
22:          arrayObj.add("19-12-1986");


An error occurred at line: 19 in the jsp file: /index.jsp
JSONArray cannot be resolved to a type
16:         <%@ page language="java" import="net.sf.json.JSONArray" %>
17:  
18:         <%
19:         JSONArray arrayObj=new JSONArray();
20:         arrayObj.add("MCA");
21:          arrayObj.add("Amit Kumar");
22:          arrayObj.add("19-12-1986");

如何调试此错误？我已经下载了Json库，并将其放在Tomcat / webapps / star / WEB-INF / lib中。

其中star是包含jsp页面的文件夹。