Re: How to check variables for uniqueness ?


"Chris Uppal" <chris.uppal@xxxxxxxxxxxxxxxxxxxxxxxxxxx> wrote in message
news:45dc303b$0$765$bed64819@xxxxxxxxxxxxxxxxxxxx
Arne Vajhøj wrote:

[me:]
We were considering what changes would have been necessary back at the
beginning of Java's history for this UTF-16 mess to have been avoided,
or avoidable. I agree that we are in fact stuck with what we've got.

Way back then there was no interoperability, since there was nothing to
interoperate /with/ ;-)

It is not backwards compatibility I am talking about.

I am talking about interoperability between JVM's from
different vendors.

If you have a SUN and IBM Java exchanging binary data, then
it is very beneficial that the number of bits in a char is
well defined - not at least X bits as we all know it from C/C++.

Ah, I had misunderstood you. Sorry.

But I don't think it would have been possible to allow for binary
compatibility
(in that sense) /and/ had the Java spec worded in such a way that it
didn't
make it impossible to fix up future problems.

At least, not without buildng extra (explicit) flexibility into each
binary
spec.

That is, Java wouldn't define a binary format for chars; chars would be
exchanged (as Strings are) via some encoding of chars into bytes.


.

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