Re: Creating a byte[] of long size

From:
Eric Sosman <esosman@ieee-dot-org.invalid>
Newsgroups:
comp.lang.java.programmer
Date:
Thu, 08 Jul 2010 18:15:18 -0400
Message-ID:
<i15imo$88e$1@news.eternal-september.org>
On 7/8/2010 5:35 PM, Boris Punk wrote:

Integer.MAX_VALUE = 2147483647

I might need more items than that. I probably won't, but it's nice to have
extensibility.


     Then Java is not the language for you. Arrays have int sizes.
Not even Collections can get you out of the woods, because their
..size() method must return an int.

     I suppose you could write your own BigList class, with a .size()
method returning long and with .get() and .set() taking long arguments.
Such a class could not implement the List interface (because the method
signatures wouldn't be right), but you could probably implement
Iterable.

     Or, you could have BigList implement List but "lie" in its .size()
method, in somewhat the same way TreeSet "lies" about the Set contract.
Then you'd add .realSize(), .realGet(), and .realSet() methods to deal
with the long values (I've probably missed a few).

     ... but I think you'll need a stronger motivation than "it's nice"
to justify the work, and the resulting ugliness. Your call, though.

--
Eric Sosman
esosman@ieee-dot-org.invalid

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