11.1. The import Attribute
The import attribute of the page directive lets you specify the packages that should be imported by the servlet into which the JSP page gets translated. If you don't explicitly specify any classes to import, the servlet imports java.lang.*, javax.servlet.*, javax.servlet.jsp.*, javax.servlet.http.*, and possibly some number of server-specific entries. Never write JSP code that relies on any server-specific classes being imported automatically. Use of the import attribute takes one of the following two forms:
<%@ page import="package.class" %> <%@ page import="package.class1,...,package.classN" %>
For example, the following directive signifies that all classes in the java.util package should be available to use without ...