These are (easily) solvable problems. Especially with a module system.
On Sep 18, 7:05 pm, Alex Buckley <[email protected]> wrote:
> On Sep 17, 5:51 pm, Reinier Zwitserloot <[email protected]> wrote:
>
> > Alex, 'source' simply acknowledges that java (the language) syntax and
> > java (the runtime library) dependencies are utterly unrelated things.
>
> Incorrect. Language features often rely on library features.
> Seehttp://blogs.sun.com/abuckley/en_US/entry/versioning_in_the_java_plat...
> for examples.
>
> > Why MUST they track each other? In practice that already doesn't
> > happen: Code compiled on javac6 is routinely run on jvm5, and vice
> > versa. javac has -source and -target parameters for a reason.
>
> javac6 can emit ClassFiles for jvm5 precisely because no source
> language changes happened in java6.
>
> javac5 can emit ClassFiles for jvm6 because Sun's compatibility policy
> generally prohibits the removal of features from jvm_n in jvm_n+1.
>
> This discussion precisely demonstrates my earlier point. Some people
> don't merely suggest a language feature; they demand a detailed
> interactive discussion with Sun on the feature. Luckily, I can short-
> circuit this one because I wrote a detailed and closely related blog
> entry. But there are millions of people with suggestions, and no
> company in the world has enough employees to address each and every
> one.
>
> Alex
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