To import a package in Jsp use the import Attribute of page Directive In JSP
<%@page import="packagename.class" %>
The package name folder is putted in the classes folder inside the <your application root directory>/WEB-INF/classes/package_name.
<%@page import="package_name.*" %>
package_name.* is import all the classes in the package.
For read in details to visit .....http://www.roseindia.net/jsp/ImportAttribute.shtml