Groups > comp.lang.java.programmer > #39460

Re: Surprise!

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From	Arne Vajhøj <arne@vajhoej.dk>
Newsgroups	comp.lang.java.programmer
Subject	Re: Surprise!
Date	Mon, 27 Apr 2020 08:34:35 -0400
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On 4/27/2020 8:12 AM, Martin Gregorie wrote:
> On Mon, 27 Apr 2020 09:13:59 +0200, Joerg Meier wrote:
>> On Sun, 26 Apr 2020 13:00:20 -0000 (UTC), Martin Gregorie wrote:
>>> On Sun, 26 Apr 2020 05:06:48 -0400, Jeff Higgins wrote:
>>>> On 9/19/19 3:28 PM, Stefan Ram wrote:
>>>>> [...] with a recent JDK. [...]
>>
>>> This is using Open Java 1.8 [...]
>>
>> Calling 1.8 "recent" is quite a stretch ;)
>>
> True enough, but AFAIK its still supported, alongside 11 and 14, for
> Fedora Linux.

Yes. AdoptOpenJDK will supply updates until May 2026.

https://adoptopenjdk.net/support.html

>        I recently saw stats (in The Register) showing the majority
> of developers are still using 8,

Yes. But a lot of them are in the process of upgrading to 11 now.

> If its just as easy to move from Java 8 to 11 or 14 as it still is to
> compile a K&R source file under that latest ANSI C compiler, then I'm
> happy to move on, but is it that easy? Somehow I've gotten the impression
> that it may not be.

Java upgrades are usually pretty easy.

But some can cause a bit of work.

1.4 -> 1.5 was one of them.

8 -> 11 is one of them.

Things to be aware of include:
* if you use unsupported SUN classes then you may need ti
   circumvent the module system introduced in Java 9 to
   get your stuff to build and run
* if you use JAX-WS or JAXB then that is now a
   separate download - it is no longer builtin
   Java SE
* if you use JavaFX then that is now a
   separate download - it is no longer builtin
   Java SE
* if you use CORBA then you need to find
   another implementation

But if you get JAX-WS and JAXB then my guess is that 99.8% of all
Java 8 code will work with 11.

Arne

Thread

Re: Surprise! Jeff Higgins <invalid@invalid.org> - 2020-04-26 05:06 -0400
  Re: Surprise! Martin Gregorie <martin@mydomain.invalid> - 2020-04-26 13:00 +0000
    Re: Surprise! Joerg Meier <joergmmeier@arcor.de> - 2020-04-27 09:13 +0200
      Re: Surprise! Martin Gregorie <martin@mydomain.invalid> - 2020-04-27 12:12 +0000
        Re: Surprise! Arne Vajhøj <arne@vajhoej.dk> - 2020-04-27 08:34 -0400
          Re: Surprise! Martin Gregorie <martin@mydomain.invalid> - 2020-04-27 13:52 +0000
            Re: Surprise! Arne Vajhøj <arne@vajhoej.dk> - 2020-04-27 10:04 -0400
          Re: Surprise! Arne Vajhøj <arne@vajhoej.dk> - 2020-04-27 10:09 -0400
        Re: Surprise! Eric Douglas <e.d.programmer@gmail.com> - 2020-04-27 06:36 -0700
          Re: Surprise! Arne Vajhøj <arne@vajhoej.dk> - 2020-04-27 09:46 -0400

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