Re: jvm wishes and gripes

[Cedric Berger <cedric at wireless-networks dot com>]

Adam Megacz wrote:

>Cedric Berger <cedric@wireless-networks.com> writes:
>
>>No. they didn't add new bytecodes (at least not in classfiles, what
>>the VM do internally is another issue).
>>
>
>If Sun ever gets up the gumption to add instructions, I dearly hope
>that stack-allocated objects and *real* generic types (not the
>expensive jdk1.4 casting syntax-sugar) are among them.
>
You mean 1.5, right?

>While I'm wishing, some cleaner syntax for closures would be nice
>too... and peace on earth... and a winnebago...
>
>I can't really be the only person who wants this stuff, can I?
>
I believe it's too late to change java bytecode. For example, what would
you do with all the microcontrollers that interprets the java bytecode 
directly?

>Oh yeah, one more thing... why doesn't the Java Language spec allow
>this:
>
>  class A {
>      A foo() { return null; }
>  }
>
>  class B extends A {
>      B foo() { return null; }
>  }
>
Look a bit more closely at the "expensive jdk 1.4^c^c^c 1.5 casting 
syntax sugar".
your code above will be valid under the new specs.
Cedric