Re: [fedora-java] Clueless Newbie Questions: moving an existing 200K line Java Chatbot from jdk-6u45 to jdk-8u45 WRT java-1.8.0-openjdk-headless

[Philip Rhoades]

Andrew,


Andrew Haley <aph@...> writes:

>  
>  On 08/07/15 17:06, Philip Rhoades wrote:
>  > My key Java guy can't work on this project any more so I am looking for
>  > a new developer but while I do that I thought I would try moving from
>  > the old F17_64 server with jdk-6u45 to my newly installed F22_64 with
>  > jdk-8u45 - to my surprise the app worked straight away with only
>  > java-1.8.0-openjdk-headless installed!  Can some kind Java guru point me
>  > to a link or summarise (in plain English) how this stuff works and the
>  > relationship between Oracle's JDK and OpenJDK?
>  
>  Oracle's proprietary JDK is based on OpenJDK, plus some extra features
>  and secret sauce.  Java releases take great care to ensure backawards
>  compatibility (although it isn't always perfect) so I'm not surprised
>  that your program worked. 

Thanks for that!

Regards,

Phil.

-- 
Philip Rhoades

PO Box 896
Cowra  NSW  2794
Australia
E-mail:  phil(a)pricom.com.au