For info: a note on Apple's support for Java versions currently and
in future. It looks like 1.4 support is safe for the immediate
future, but there's the obvious pressure to move on sometime soonish.
Begin forwarded message:
> From: Scott Ellsworth <[log in to unmask]>
> Date: 2006 January 21 21.49.24 GMT
> To: Java Dev <[log in to unmask]>
> Subject: Re: Older JDK versions
>
>
> On Jan 21, 2006, at 1:27 PM, Chris Rose wrote:
>
>> (New to Apple question)
>>
>> Is it possible to install older JDK versions side by side with the
>> one
>> that ships with the OS?
>
> No, it is not. Occasionally, older versions stay around, but
> consider them installation cruft, rather than an older version you
> can use for things.
>
> In essence, Apple supports a single release of 1.3, 1.4, and 1.5 on
> Tiger at any one time. There are currently developer builds of a
> new release of 1.5 on the ADC site (free, registration required).
> This release takes them towards the long term goal of having 1.5 be
> the default VM, so it does behoove developers to download and test
> that new release for showstoppers.
>
> Apple has not said when they will support 1.6, but they are a Java
> licensee, and they clearly are putting time and money into Java
> right now, so I expect we will see support sometime after Sun's
> release of for 1.6, currently forecast for third quarter 2006. I
> rather hope the delay is short - JDBC 4 is cool.
>
> They have also said that they want to drop 1.3 support at some
> point, and I suspect they would prefer not to have to carry on 1.4
> as well - older releases do take engineering effort to keep
> working. That said, no date for such support ending has ever been
> stated. I would not want to bet against Leopard, the release of
> MacOS X targeted for late this year, or early next.
>
>> Actually, is the JRE installed with the OS a full JDK at all?
>
> It is, but it is missing the documentation and source code. That
> comes with the developer documentation install.
>
> Scott
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Norman Gray / http://nxg.me.uk
eurovotech.org / University of Leicester, UK
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