Re: [hono-dev] Upgrade to Java 11

["Frank Karsten (INST/ECS4)" <Karsten.Frank2@xxxxxxxxxxxx>]

> > At least for the docker images - regarding the language level I would
> > quite like to have Java 9 features available,
> 
> Can you give an example of such a feature?

Yes - I am thinking of the extension to the quite limited Optional class of Java 8.
Beginning with Java 9 there are several extensions, especially the ifPresentOrElse method I would like to use sometimes.

Mit freundlichen Grüßen / Best regards

 Karsten Frank

(INST/ECS4) 
Bosch Software Innovations GmbH | Ullsteinstr. 128 | 12109 Berlin | GERMANY | www.bosch-si.com
Sitz: Berlin, Registergericht: Amtsgericht Charlottenburg; HRB 148411 B 
Aufsichtsratsvorsitzender: Dr.-Ing. Thorsten Lücke; Geschäftsführung: Dr. Stefan Ferber, Michael Hahn 




> -----Original Message-----
> From: hono-dev-bounces@xxxxxxxxxxx <hono-dev-bounces@xxxxxxxxxxx> On
> Behalf Of Hudalla Kai (INST/ECS4)
> Sent: Dienstag, 2. Oktober 2018 17:48
> To: hono-dev@xxxxxxxxxxx
> Subject: Re: [hono-dev] Upgrade to Java 11
> 
> On Tue, 2018-10-02 at 13:34 +0000, Frank Karsten (INST/ECS4) wrote:
> > Hi everyone,
> >
> > I cannot see any specific reason to not change to OpenJDK 11.
> >
> > At least for the docker images - regarding the language level I would
> > quite like to have Java 9 features available,
> 
> Can you give an example of such a feature?
> 
> > but maybe we should delay that step further?
> >
> >
> > Mit freundlichen Grüßen / Best regards
> >
> >  Karsten Frank
> >
> > (INST/ECS4)
> > Bosch Software Innovations GmbH | Ullsteinstr. 128 | 12109 Berlin |
> > GERMANY | www.bosch-si.com
> >
> > Sitz: Berlin, Registergericht: Amtsgericht Charlottenburg; HRB 148411
> > B
> > Aufsichtsratsvorsitzender: Dr.-Ing. Thorsten Lücke; Geschäftsführung: Dr.
> > Stefan Ferber, Michael Hahn
> >
> >
> >
> > > -----Original Message-----
> > > From: hono-dev-bounces@xxxxxxxxxxx <hono-dev-bounces@xxxxxxxxxxx> On
> > > Behalf Of Hudalla Kai (INST/ECS4)
> > > Sent: Dienstag, 2. Oktober 2018 13:38
> > > To: hono-dev@xxxxxxxxxxx
> > > Subject: [hono-dev] Upgrade to Java 11
> > >
> > > Hi list,
> > >
> > > Jens had added support for building Hono using a version 10/11 JDK
> > > some while ago. As part of that effort, we now also run our
> > > integration tests using Maven on Travis using a version 10 JRE.
> > > However, we didn't upgrade the JRE used in our Docker images yet.
> > >
> > > Are there any specific reasons that should prevent us from starting
> > > to use e.g.
> > > OpenJDK 11 in our Docker images? Please note that we are still using
> > > Java 8 as the source and target level in our build, so all jars we
> > > publish on Maven Central can still be run using a version 8 JRE ...
> > >
> > > --
> > > Mit freundlichen Grüßen / Best regards
> > >
> > > Kai Hudalla
> > > Chief Software Architect
> > >
> > > Bosch Software Innovations GmbH
> > > Ullsteinstr. 128
> > > 12109 Berlin
> > > GERMANY
> > > www.bosch-si.com
> > >
> > > Registered Office: Berlin, Registration Court: Amtsgericht
> > > Charlottenburg; HRB
> > > 148411 B
> > > Chairman of the Supervisory Board: Dr.-Ing. Thorsten Lücke; Managing
> > > Directors:
> > > Dr. Stefan Ferber, Michael Hahn
> > >
> > > _______________________________________________
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> >
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