An interface can extend mulitple interfaces. Classes cannot extend more than one
class.
----- Original Message -----
From: "Steve Stearns" <[EMAIL PROTECTED]>
To: "jBoss" <[EMAIL PROTECTED]>
Sent: Friday, January 19, 2001 9:14 AM
Subject: Re: [jBoss-User] Re: Legal RMI Types and ejbCreate
> > It sure looks like everything is OK since public interface Category extends
> > EJBObject and EJBObject is serializable. Often the problem is that the
> > method arguments don't implement java.io.Serializable. Try explicitly making
> > Category extend java.io.Serializable as well.
> >
> Java doesn't permit classes to extend more than one class. Since
> Category is already extending EJBObject, I cannot also have it extend
> Serializable. Also, since Category is itself an Interface I cannot have
> it implement the Serializable interface.
>
> ---Steve
>
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