From mboxrd@z Thu Jan  1 00:00:00 1970
X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on polar.synack.me
X-Spam-Level: 
X-Spam-Status: No, score=0.2 required=5.0 tests=BAYES_00,INVALID_MSGID,
	REPLYTO_WITHOUT_TO_CC autolearn=no autolearn_force=no version=3.4.4
X-Google-Language: ENGLISH,ASCII
X-Google-Thread: fdb77,764cbe34e0365b81
X-Google-Attributes: gidfdb77,public
X-Google-Thread: 103376,4438af6225b2af65
X-Google-Attributes: gid103376,public
From: Roga Danar <nospam@nospam.com>
Subject: Re: Real time Java? Huh?
Date: 1998/11/06
Message-ID: <3643477B.43DBEF6@nospam.com>#1/1
X-Deja-AN: 409096236
Content-Transfer-Encoding: 8bit
References: <363E1DE8.4189EBAC@solaris.ok> <nagleF1uyME.3IA@netcom.com>
 <364024f5.3575731@news.demon.co.uk> <364071C4.619D@world.std.com>
 <3641ca4b.23637018@news.demon.co.uk> <3641B718.DBF4C37C@tisny.com>
 <36431ca0.301400410@news.netcomuk.co.uk> <364224FB.7FCF@world.std.com>
 <71tpsr$hva$1@supernews.com> <36427517.27089188@news.nmia.com>
 <36428b55.0@blushng.jps.net> <71uc8n$lu1$1@platane.wanadoo.fr>
 <71usgj$uv4$1@nnrp1.dejanews.com>
Content-Type: text/plain; charset=iso-8859-1
X-Trace: news1.exit109.com 910375102 7804 208.225.73.22 (6 Nov 1998 17:58:22
 GMT)
Organization: AlphaSoft, Inc.
Mime-Version: 1.0
Reply-To: nospam@nospam.com
NNTP-Posting-Date: 6 Nov 1998 17:58:22 GMT
Newsgroups: comp.lang.java.advocacy,comp.lang.ada
Date: 1998-11-06T17:58:22+00:00
List-Id: <comp.lang.ada>

Timing is a better (or another) reason why one should look twice at a Java
for a real-time system must instead of Ada.  Real-Time embedded systems
that frequently require persice processing in a narrow time margin would be
better off with Ada, IHO.

dewar@gnat.com wrote:

> In article <71uc8n$lu1$1@platane.wanadoo.fr>,
>   "Jean-Pierre Rosen" <rosen.adalog@wanadoo.fr> wrote:
> >
> > Joseph <**********@*******.**> a �crit dans le message
> > <36428b55.0@blushng.jps.net>...
> > >I missed way too much of this thread.   Java as a real
> time language?
> > >Tell me that this is a hoax, please.
> > >
> > At an AFNOR-Ada (French standardization body) we had a
> discussion
> > about this yesterday.
> > It seems that by real-time Java, people really mean
> "embedded Java",
> > i.e. in SmartCards for example. When I asked how
> extensive dynamic
> > allocation and garbage collector could be used in
> smart-cards,
> > people told me that there were restrictions, like only
> final classes
> > with only final methods... When I asked why use Java
> rather than
> > C, and why not call such "classes" packages, I had no
> answer...
> > sigh.
>
> There are very good reasons for using JVM based approaches
> for real time embedded systems, and you should not just
> assume that garbage collection is out of the question in
> such systems. This is why it is so important that we have
> Ada 95 systems that target the JVM!
>
> Robert Dewar
> Ada Core Technologies
>
> -----------== Posted via Deja News, The Discussion Network ==----------
> http://www.dejanews.com/       Search, Read, Discuss, or Start Your Own