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Groups > comp.lang.java.programmer > #32935
| From | Lothar Kimmeringer <news200709@kimmeringer.de> |
|---|---|
| Newsgroups | comp.lang.java.programmer |
| Subject | Re: number to byte[] |
| Date | 2015-10-25 10:22 +0100 |
| Organization | Organization?! Only chaos here! |
| Message-ID | <1gwaeg94z8z3f.dlg@kimmeringer.de> (permalink) |
| References | <mvsv9r$ohb$1@ls237.t-com.hr> |
Askfor wrote:
> I am trying to get 4 byte[] representation of an integer, which might be
> 32 bit long.
>
> Obviously, I could AND with 255 and take byteValue(), then shift 8 times
> to the right and repeat the process 3 times. Is there any more elegant way ?
You could use BigInteger.toByteArray but I think you should stick
with the ANDing (put it in a helper method), since the mentioned
returns a byte-array of variable size (with five elements for
values > 0x0fffffff).
Cheers, Lothar
--
Lothar Kimmeringer E-Mail: spamfang@kimmeringer.de
PGP-encrypted mails preferred (Key-ID: 0x8BC3CD81)
Always remember: The answer is forty-two, there can only be wrong
questions!
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number to byte[] Askfor <askfor@nowhere.net> - 2015-10-17 10:02 +0200
Re: number to byte[] Eric Sosman <esosman@comcast-dot-net.invalid> - 2015-10-17 08:03 -0400
Re: number to byte[] Askfor <askfor@nowhere.net> - 2015-10-17 23:03 +0200
Re: number to byte[] Eric Sosman <esosman@comcast-dot-net.invalid> - 2015-10-17 17:45 -0400
Re: number to byte[] Askfor <askfor@nowhere.net> - 2015-10-18 12:13 +0200
Re: number to byte[] Askfor <askfor@nowhere.net> - 2015-10-18 12:44 +0200
Re: number to byte[] Lew <lewbloch@gmail.com> - 2015-11-29 23:07 -0800
Re: number to byte[] Eric Sosman <esosman@comcast-dot-net.invalid> - 2015-10-18 08:40 -0400
Re: number to byte[] Nigel Wade <nmw@ion.le.ac.uk> - 2015-10-19 10:43 +0100
Re: number to byte[] Wayne <nospam@all.invalid> - 2015-10-20 00:45 -0400
Re: number to byte[] Kevin McMurtrie <mcmurtrie@pixelmemory.us> - 2015-10-20 13:35 -0700
Re: number to byte[] Lothar Kimmeringer <news200709@kimmeringer.de> - 2015-10-25 10:22 +0100
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