package bidder; import javax.ejb.*; import java.rmi.*; import java.util.*; public interface Bidder extends EJBObject { int placeBid(int item, String user, String password, double amount) throws RemoteException; Enumeration getItemList() throws RemoteException; Enumeration getNewItemList() throws RemoteException; Enumeration getClosedItemList() throws RemoteException; Enumeration getMatchingItemsList(String searchString) throws RemoteException; }