Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]
Groups > comp.lang.java.programmer > #34282
| Path | csiph.com!news.swapon.de!eternal-september.org!feeder.eternal-september.org!mx02.eternal-september.org!.POSTED!not-for-mail |
|---|---|
| From | Cecil Westerhof <Cecil@decebal.nl> |
| Newsgroups | comp.lang.java.programmer |
| Subject | Re: Working with an array of TreeSet |
| Date | Wed, 11 May 2016 09:05:16 +0200 |
| Organization | Decebal Computing |
| Lines | 32 |
| Message-ID | <8760uljcr7.fsf@Equus.decebal.nl> (permalink) |
| References | <87lh3ijg9u.fsf@Equus.decebal.nl> <ngt1mp$a3t$1@gwaiyur.mb-net.net> <87a8jxk3r2.fsf@Equus.decebal.nl> <ngttab$rer$1@dont-email.me> |
| Mime-Version | 1.0 |
| Content-Type | text/plain |
| Injection-Info | mx02.eternal-september.org; posting-host="12baf5125b19322b899c79c2e3878015"; logging-data="23938"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1+XtOuo3wt8L9QUWGuJfbD0fyqGCMDcnOo=" |
| User-Agent | Gnus/5.13 (Gnus v5.13) Emacs/24.3 (gnu/linux) |
| X-Homepage | http://www.decebal.nl/ |
| Cancel-Lock | sha1:dqOnfe4YgnBs9wy1eWADZmXUDTU= sha1:uL3JhpqsWAUVMR/8/TqxVtMVgYA= |
| Xref | csiph.com comp.lang.java.programmer:34282 |
Show key headers only | View raw
On Wednesday 11 May 2016 02:14 CEST, Eric Sosman wrote: > On 5/10/2016 5:22 PM, Cecil Westerhof wrote: >> On Tuesday 10 May 2016 18:19 CEST, Marcel Mueller wrote: >> [...] >>> The more interesting question is why you need an array of TreeSet. >>> What is the semantic meaning of from? And what is the meaning of >>> to? >> >> I am mapping the connections of paths between nodes in a graph. >> From a node to a node. > > Perhaps a > > Map<Node,Set<Node>> All values from 1 to maxNode are there, but with Map I do not need a dummy with a null. So this is better I think, yes. Also when I get a situation where not every node number exists, this is certainly better. Thanks. > or (if there can be more than one Edge from Node X to Node Y) > > Map<Node,Collection<Node>> There is only one. That is why I used TreeSet. -- Cecil Westerhof Senior Software Engineer LinkedIn: http://www.linkedin.com/in/cecilwesterhof
Back to comp.lang.java.programmer | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread
Working with an array of TreeSet Cecil Westerhof <Cecil@decebal.nl> - 2016-05-10 13:37 +0200
Re: Working with an array of TreeSet Eric Douglas <e.d.programmer@gmail.com> - 2016-05-10 04:52 -0700
Re: Working with an array of TreeSet Cecil Westerhof <Cecil@decebal.nl> - 2016-05-10 15:07 +0200
Re: Working with an array of TreeSet Eric Sosman <esosman@comcast-dot-net.invalid> - 2016-05-10 08:03 -0400
Re: Working with an array of TreeSet Marcel Mueller <news.5.maazl@spamgourmet.org> - 2016-05-10 18:19 +0200
Re: Working with an array of TreeSet Cecil Westerhof <Cecil@decebal.nl> - 2016-05-10 23:22 +0200
Re: Working with an array of TreeSet Eric Sosman <esosman@comcast-dot-net.invalid> - 2016-05-10 20:14 -0400
Re: Working with an array of TreeSet Cecil Westerhof <Cecil@decebal.nl> - 2016-05-11 09:05 +0200
Re: Working with an array of TreeSet FredK <fred.l.kleinschmidt@gmail.com> - 2016-05-11 14:33 -0700
Re: Working with an array of TreeSet Lew <lewbloch@gmail.com> - 2016-05-11 14:45 -0700
csiph-web