Java in a Nutshell Online Quick Reference for Java 1.1
Availability: JDK 1.1
public abstract interface Owner {
   // Public Instance Methods
      public abstract boolean addOwner(Principal caller, Principal owner) throws NotOwnerException;
      public abstract boolean deleteOwner(Principal caller, Principal owner) throws NotOwnerException, LastOwnerException;
      public abstract boolean isOwner(Principal owner);
}