package com.xc.hotelmanager.hotel.control.session;import javax.ejb.*;import java.util.*;import java.rmi.*;public interface SB_AccommodationManager extends javax.ejb.EJBObject {  public Collection getAccInfo(String cname, String roomid) throws RemoteException;  public Stirng getleavedate() throws RemoteException;  public int getlivedays(String id) throws RemoteException;  public float getTotelCost(string id) throws RemoteException;  public String saveToAcc(string id, String leavetime, float charge) throws RemoteException;}