package apusic.myshop.category.ejb;import java.util.Collection;import java.rmi.RemoteException;import javax.ejb.CreateException;import javax.ejb.FinderException;import javax.ejb.EJBHome;public interface CategoryHome extends EJBHome {  public Category create(String catId, String name, String descn)    throws RemoteException, CreateException;  public Category findByCatId(String catId) throws RemoteException, FinderException;  public Collection findCategories() throws RemoteException, FinderException;}