大家帮我看一个问题！！！

[tiandiqing]

--------------------Configuration: JDK version 1.4 <Default>--------------------
C:\HelloWorld\ShoppingServlet.java:25: incompatible types
found : java.lang.Object
required: java.util.Vector
Vector buylist = session.getAttribute("shopping.shoppingcart");
^
C:\HelloWorld\ShoppingServlet.java:69: cannot resolve symbol
symbol : class ServletContent
location: class ShoppingServlet
ServletContent sc = getServletContext();
^
Note: C:\HelloWorld\ShoppingServlet.java uses or overrides a deprecated API.

Note: Recompile with -deprecation for details.
2 errors

Process completed.


可是该导的我已经导入了！！！！
import java.io.*;
import java.text.*;
import java.util.*;
import javax.servlet.*;
import javax.servlet.http.*;

[loveunittesting]

老兄，仔细点好不好。
Vector buylist = (Vector)session.getAttribute("shopping.shoppingcart");
________
ServletContext sc = getServletContext();
___

[wssgwps]

Vector buylist = (Vector)session.getAttribute("shopping.shoppingcart");
ServletContext sc = getServletContext();