采用j2ee架构来开发的图书管理系统,是一个java项目开发难得的实例

				/*				 * User.java				 *				 * Created on 2003年5月13日, 上午10:01				 */								/**				 *				 * @author  administrator				 */				import javax.ejb.EJBObject;				import java.rmi.RemoteException;				import java.util.*;												public interface User extends EJBObject {				//business method								    //get user's name				   public String getUserName()				      throws RemoteException;				   				   //get user's password				   public String getUserPassword()				      throws RemoteException;				   				   //get user's sex				   public String getUserSex()				      throws RemoteException;				   				   //get user's age				   public String getUserAge()				      throws RemoteException;				   				   //get user's job				   public String getUserJob()				      throws RemoteException;				   				   //get user's education				   public String getUserEdu()				      throws RemoteException;				}