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Groups > comp.lang.java.programmer > #19683
| From | Andreas Leitgeb <avl@gamma.logic.tuwien.ac.at> |
|---|---|
| Newsgroups | comp.lang.java.programmer |
| Subject | Re: Enumset.contains |
| Date | 2012-11-09 23:50 +0000 |
| Organization | A noiseless patient Spider |
| Message-ID | <slrnk9r5ms.u9l.avl@gamma.logic.tuwien.ac.at> (permalink) |
| References | <6btq9811qn454a7s9u4dka81qn6k6e2n56@4ax.com> <7b81e03d-6714-44bc-96ac-2700b1b4a37b@googlegroups.com> |
Lew <lewbloch@gmail.com> wrote: > On Friday, November 9, 2012 1:40:48 PM UTC-8, Roedy Green wrote: >> isSubsetOf > uberSet.retainAll(underSet).containsAll(underSet) why not just: uberSet.containsAll(underSet) ? containsAnyOf (for EnumSets es1 and es2): es1.clone().retainAll(es2).size()>0 it requires actually constructing the intersection, just to determine if that will be empty or not. Maybe we're even just lucky, that there is containsAll() in the Collection framework, or we would have to do it as: es1.clone().retainAll(es2).size() == es2.size()
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Enumset.contains Roedy Green <see_website@mindprod.com.invalid> - 2012-11-09 13:40 -0800
Re: Enumset.contains Lew <lewbloch@gmail.com> - 2012-11-09 15:07 -0800
Re: Enumset.contains Andreas Leitgeb <avl@gamma.logic.tuwien.ac.at> - 2012-11-09 23:50 +0000
Re: Enumset.contains Robert Klemme <shortcutter@googlemail.com> - 2012-11-10 00:30 +0100
Re: Enumset.contains Roedy Green <see_website@mindprod.com.invalid> - 2012-11-10 16:56 -0800
Re: Enumset.contains markspace <-@.> - 2012-11-10 17:10 -0800
Re: Enumset.contains Joshua Cranmer <Pidgeot18@verizon.invalid> - 2012-11-10 20:38 -0600
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