The main thing I wanted to get out of Java 6 was support for @Overrides when implementing interfaces, and support for the ServiceLoader class. In Java 5, you have to use the sun.misc.Service API. Sun externalized this as java.util.ServiceLoader in Java 6. There are a number of Swing performance improvements as well, that should make the user experience nicer.
Mark On Mon, Feb 28, 2011 at 10:50 AM, Linus Tolke Tigris <[email protected]>wrote: > Hello! > > I noticed the problem in compiling ArgoPrint with Java5. > > If I remember correctly, it was about some old mac hardware where a new > version of the MAC OS was not available and therefor the Java6 was not > available. I think this was over a year ago so the then old mac hardware > hosts are now even older and hopefully replaced by newer. > > I would like to be bold and say that for 0.33.* and 0.34 we drop Java5 > support. I will build the 0.33.1 release with java6. > > /Linus > > > > 2011/2/28 Bob Tarling <[email protected]> > > The subject of moving to JRE 6 arose again in a conversation I had >> with Mark Fortner. >> >> What is the current situation with Mac operating systems and any >> continued reliance on JRE5? >> >> Regards >> >> Bob >> >> On 24 July 2009 10:01, Linus Tolke <[email protected]> wrote: >> > OK. Bob! >> > With this reasoning I will revert the decision. >> > I will continue build the 0.29.1 through 0.30 releases using the Java5 >> > compiler and all checked in code needs to be Java5 code. >> > /Linus >> > >> > 2009/7/24 Bob Tarling <[email protected]> >> >> >> >> Moving to Java 5 gave us much needed language features to improve our >> >> code. New language features don't come with Java 6. >> >> >> >> Where Java6 may give performance improvements with the existing API >> >> then a user can switch to using that of their own choice. >> >> >> >> The only API feature I think I was curious of was the JTree. I think >> >> this has been improved and we have occasional bug reports due to >> >> strange tree behaviour of the explorer due to the standard Java JTree >> >> (control-click and then drag of multiple items is difficult). I was >> >> curious to see if that had been improved. >> >> >> >> Within GEF I followed a period of offering full Java1.3 support but >> >> including Java1.4 features (n particular mousewheel support to scroll >> >> diagram). I did this by compiling with Java1.4 JDK (but target set to >> >> Java1.3 during compile). Any source code that I knew to be calling >> >> Java1.4 API I placed within an if block that tested the JRE at runtime >> >> was appropriate before making the call. That worked fine but does >> >> include the danger of accidentally including new API features by >> >> accident. >> >> >> >> I'd suggest we leave things for the time being and wait for an >> >> argument from a developer who specifically needs a new API method. We >> >> can keep our rules on EOSL a little looser to give ourselves the >> >> option to drop support for a specific Java release at any time of our >> >> choosing once Sun support has ended but we can make that decision of >> >> exactly when for ourselves. >> >> >> >> When we need to do this we could follow a slightly better method than >> >> I did for GEF. As ArgoUML splits into more smaller components we could >> >> have alternative components loaded based on JRE at runtime. e.g. Load >> >> the Java6 based explorer component only if runtime is Java6 or above >> >> otherwise load the Java5 based explorer component. That removes the >> >> danger that was possible with GEF as each component is either built >> >> with Java5 or Java6 JDK with no change of target. >> >> >> >> Regards >> >> >> >> Bob. >> >> >> >> 2009/7/23 Linus Tolke <[email protected]>: >> >> > Hello Jan! >> >> > For the past years, we have used the policy to not provide new >> versions >> >> > of >> >> > ArgoUML that runs on JRE's no longer supported by Sun (i.e. that EOSL >> or >> >> > EOL). This is allowing us to move forward in step with the oldest >> >> > Sun-version. EOL for Java1.4 was the biggest step in this because it >> >> > meant >> >> > that we could start using Generics and Annotations. >> >> > /Linus >> >> > >> >> > 2009/7/23 Jan Barnholt <[email protected]> >> >> >> >> >> >> On 24/7/09 5:51 AM, Linus Tolke wrote: >> >> >> >> >> >> > Note that we could still build the Windows and tar releases with >> >> >> > Java6 >> >> >> > as long as we build specific Mac 32-bit releases using Java5 but >> that >> >> >> > would complicate the build process a little. >> >> >> >> >> >> Hmm, but what's the point if you couldn't use any Java6 features >> anyway >> >> >> because >> >> >> they would break the Mac/Java5 build..? >> >> >> >> >> >> Not sure about how switching Java versions was handled in the past, >> >> >> neither how >> >> >> big the Mac user base is anyway - but given the fact that ArgoUML is >> >> >> also >> >> >> targeting academic users, where computers in general tend to stay >> >> >> around >> >> >> in labs >> >> >> for quite a while, I was just wondering whether there are pressing >> >> >> reasons >> >> >> to >> >> >> switch to Java 6 now..? >> >> >> >> >> >> Cheers, >> >> >> Jan >> >> >> >> >> >> ------------------------------------------------------ >> >> >> >> >> >> >> >> >> >> http://argouml.tigris.org/ds/viewMessage.do?dsForumId=450&dsMessageId=2374985 >> >> >> >> >> >> To unsubscribe from this discussion, e-mail: >> >> >> [[email protected]]. >> >> >> To be allowed to post to the list contact the mailing list >> moderator, >> >> >> email: [[email protected]] >> >> > >> >> > >> >> >> >> ------------------------------------------------------ >> >> >> >> >> http://argouml.tigris.org/ds/viewMessage.do?dsForumId=450&dsMessageId=2375118 >> >> >> >> To unsubscribe from this discussion, e-mail: >> >> [[email protected]]. >> >> To be allowed to post to the list contact the mailing list moderator, >> >> email: [[email protected]] >> > >> > >> >> ------------------------------------------------------ >> >> http://argouml.tigris.org/ds/viewMessage.do?dsForumId=450&dsMessageId=2708189 >> >> To unsubscribe from this discussion, e-mail: [ >> [email protected]]. >> To be allowed to post to the list contact the mailing list moderator, >> email: [[email protected]] >> > > ------------------------------------------------------ http://argouml.tigris.org/ds/viewMessage.do?dsForumId=450&dsMessageId=2708384 To unsubscribe from this discussion, e-mail: [[email protected]]. To be allowed to post to the list contact the mailing list moderator, email: [[email protected]]
