Path: csiph.com!v102.xanadu-bbs.net!xanadu-bbs.net!feeder.erje.net!eu.feeder.erje.net!eternal-september.org!feeder.eternal-september.org!mx05.eternal-september.org!.POSTED!not-for-mail From: Daniele Futtorovic Newsgroups: comp.lang.java.programmer Subject: Re: How to convert image into Hex 2 Dimensional Array? Date: Wed, 08 May 2013 23:24:38 +0200 Organization: A noiseless patient Spider Lines: 48 Message-ID: References: <41718873-b1a6-4b97-bbbb-8002c48d4e29@googlegroups.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Injection-Date: Wed, 8 May 2013 21:20:55 +0000 (UTC) Injection-Info: mx05.eternal-september.org; posting-host="8e103db3a4f21801713a9e44848762c0"; logging-data="11770"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX18ngxYFXSg70pl2SyXL9Zx1" User-Agent: Mozilla/5.0 (Windows NT 5.1; rv:17.0) Gecko/20130328 Thunderbird/17.0.5 In-Reply-To: Cancel-Lock: sha1:TSVItpvQbWYRc86Mqu6buJAzmr4= Xref: csiph.com comp.lang.java.programmer:23949 On 08/05/2013 19:25, lipska the kat allegedly wrote: > On 08/05/13 17:46, Daniele Futtorovic wrote: >> On 08/05/2013 18:17, lipska the kat allegedly wrote: >>> On 08/05/13 16:32, Daniele Futtorovic wrote: >>>> On 08/05/2013 15:57, lipska the kat allegedly wrote: >>>>> On 08/05/13 14:19, Daniele Futtorovic wrote: >>>>>> On 08/05/2013 10:06, lipska the kat allegedly wrote: >>>>>>> Byte[][] bytes = new Byte[width][height]; >>>>>> >>>>>> Lipska, mind the difference between Byte and byte. That code above is >>>>>> extremely bad advice. >>>>> >>>>> Why? it's common practice these days to eschew primitives and use >>>>> (autoboxing) classes, it's more consistent in OO code and, as I >>>>> understand things, post autoboxing, the following two lines are >>>>> logically equivalent. >>>>> >>>>> 1. Byte[][] bytes = new Byte[width][height]; >>>>> 2. byte[][] bytes = new byte[width][length] >>> >>> typo notwithstanding oops :-( >>> >>>>> The following is perfectly legal given either of the above >>>>> >>>>> byte b = 127; >>>>> bytes[0][0] = b; >>>>> Byte c = 126; >>>>> bytes[0][1] = c; >>>>> Byte d = bytes[0][0]; >>>>> byte e = bytes[0][1]; >>>>> >>>>> I would of course be interested to know what your objection is. >>>> >>>> Simple: "byte[]" is not a primitive type. >>> >>> I wasn't aware that I said it was >> >> When I called out your using a Byte[] rather than byte[] in your example >> code, you defended it on the grounds of an alleged "common practice" to >> use (boxed) reference types instead of primitive types. Thereby, you >> have implied that byte[] was a primitive type; > > There was no such implication, you are mistaken. Okay, whatever. -- DF.