Version to Use for JAR File?

aperry · #1 03-21-2006, 10:35 PM

So, if I want to package some stuff up in a JAR file, what version of the JDK should I be using? Or does it really matter much?

dflachbart · #2 03-21-2006, 10:39 PM

I would compile with 1.4, since not everybody has 1.5 installed (unless you really need a language feature only present in 1.5 ...)

Dirk

aperry · #3 03-21-2006, 10:48 PM

I don't think I've got anything in there that requires 1.5...

Thanks!

nielm · #4 03-22-2006, 03:47 AM

It is not just a question of featrues requiring JRE1.5 -- the java compiler embeds a JDK version number in the .class files: .class files compiled with 1.5 will not run on a 1.4 JDK.

If you are using Eclipse, you can set the JRE compatibility version somewhere, no matter what JRE/JDK you are using.

aperry · #5 04-05-2006, 03:21 PM

Narflex stated in the 4.12 beta thread that:

Quote:

FYI, Java 1.5 is now bundled with the SageTV installer (it has been for a few versions).

Does this mean that someday when they have another official release (4.5?), that we'll be able to use 1.5 stuff? If so, that would be great, given that 1.5 adds XPath support to Java (without having to pull in some other package).

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