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Groups > comp.lang.java.programmer > #10122
| From | markspace <-@.> |
|---|---|
| Newsgroups | comp.lang.java.programmer |
| Subject | Re: Size of an arraylist in bytes |
| Date | 2011-11-20 14:08 -0800 |
| Organization | A noiseless patient Spider |
| Message-ID | <jabto4$m8j$1@dont-email.me> (permalink) |
| References | <e9dcfb2d-dfef-4ae6-9d9f-979a8f08b962@t36g2000prt.googlegroups.com> <jabq3m$soi$1@dont-email.me> <278f7e6f-ee15-4ceb-bad7-fbb5f3e1e90b@h30g2000pro.googlegroups.com> |
On 11/20/2011 1:11 PM, sara wrote: > The problem is I need to write multiple arraylists on disk and later > on I update the elements of them. I store the starting location of > arraylists and their size such that later I can refer to them. If the > size of objects change then it messes up! Could you please help? Yes, this is the problem. You have to use something different from an ArrayList, because the ArrayList does change size. Look into plain arrays, IntBuffer, DataInputStream and DataOutputStream. It would also help now if we knew why you want to store multiple ArraysLists on disk. What is it you are trying to do?
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Size of an arraylist in bytes sara <sarasara82@gmail.com> - 2011-11-20 13:01 -0800
Re: Size of an arraylist in bytes markspace <-@.> - 2011-11-20 13:05 -0800
Re: Size of an arraylist in bytes sara <sarasara82@gmail.com> - 2011-11-20 13:11 -0800
Re: Size of an arraylist in bytes Andreas Leitgeb <avl@gamma.logic.tuwien.ac.at> - 2011-11-20 21:58 +0000
Re: Size of an arraylist in bytes markspace <-@.> - 2011-11-20 14:08 -0800
Re: Size of an arraylist in bytes Patricia Shanahan <pats@acm.org> - 2011-11-20 14:50 -0800
Re: Size of an arraylist in bytes Arne Vajhøj <arne@vajhoej.dk> - 2011-11-20 18:06 -0500
Re: Size of an arraylist in bytes Lew <lewbloch@gmail.com> - 2011-11-20 20:28 -0800
Re: Size of an arraylist in bytes Eric Sosman <esosman@ieee-dot-org.invalid> - 2011-11-20 16:30 -0500
Re: Size of an arraylist in bytes sara <sarasara82@gmail.com> - 2011-11-20 13:35 -0800
Re: Size of an arraylist in bytes Eric Sosman <esosman@ieee-dot-org.invalid> - 2011-11-20 17:19 -0500
Re: Size of an arraylist in bytes Eric Sosman <esosman@ieee-dot-org.invalid> - 2011-11-20 16:58 -0500
Re: Size of an arraylist in bytes Patricia Shanahan <pats@acm.org> - 2011-11-20 14:04 -0800
Re: Size of an arraylist in bytes Arne Vajhøj <arne@vajhoej.dk> - 2011-11-20 17:18 -0500
Re: Size of an arraylist in bytes Patricia Shanahan <pats@acm.org> - 2011-11-20 14:48 -0800
Re: Size of an arraylist in bytes Arne Vajhøj <arne@vajhoej.dk> - 2011-11-25 22:12 -0500
Re: Size of an arraylist in bytes Lew <lewbloch@gmail.com> - 2011-11-20 20:44 -0800
Re: Size of an arraylist in bytes Arne Vajhøj <arne@vajhoej.dk> - 2011-11-25 22:16 -0500
Re: Size of an arraylist in bytes Lew <lewbloch@gmail.com> - 2011-11-25 20:15 -0800
Re: Size of an arraylist in bytes Roedy Green <see_website@mindprod.com.invalid> - 2011-11-20 22:25 -0800
Re: Size of an arraylist in bytes Arne Vajhøj <arne@vajhoej.dk> - 2011-11-25 22:11 -0500
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