TEAM-ADA Archives

Team Ada: Ada Programming Language Advocacy


Options: Use Classic View

Use Monospaced Font
Show Text Part by Default
Condense Mail Headers

Topic: [<< First] [< Prev] [Next >] [Last >>]

Print Reply
Sender: "Team Ada: Ada Advocacy Issues (83 & 95)" <[log in to unmask]>
X-To: "Alexandre E. Kopilovitch" <[log in to unmask]>
Date: Tue, 6 Feb 2001 13:03:46 -0500
From: Stephen Schwarm <[log in to unmask]>
Content-Transfer-Encoding: 7bit
Content-Type: text/plain; charset=us-ascii
Organization: EMC
MIME-Version: 1.0
Parts/Attachments: text/plain (34 lines)
"Alexandre E. Kopilovitch" wrote:
> >>>The only thing Java added
> >>>to C++ was a little bit of (not nearly enough) error-resistance.
> >
> >>interfaces
> >
> >So what is the difference between a Java Interface and a C++ pure virtual class
> >(apart from the C++ version being less restrictive)?
> Well, consider the following declaration:
>   public class GentleThread implements Runnable {
>     ...
>     }
> How do you say that in C++ ? I.e., what in C++ corresponds to "implements" ?
> Alexander Kopilovitch                      [log in to unmask]
> Saint-Petersburg
> Russia

Java does not support multiple inheritance so the is how it specifies
common interface specifications.

To answer your question directly:

class GentleThread: public class Runnable

Where Runnable has only abstract interfaces.

Steve Schwarm
EMC Corp