In Java 1.6, the NavigableMap (and the NavigableSet) interfaces were introduced and TreeMap was updated to implement the new interface. Among other things, NavigableMap is useful for asking questions
I am using ormlite in my android project. I have two classes @DatabaseTable(tableName = \"user开发者_开发百科shows\")
final Multimap<Term, BooleanClause> terms = getTerms(bq); for (Term t : terms.keySet()) { Collection<BooleanClause> C = new HashSet(terms.get(t));
I have a situation where I need to do many gets/sets, after perfomance analysis this is one of the more expensive parts of my application. Origionally I was using a Dictionary but switched to a jagged
I have two variables Collection<Service> services = new ArrayList<Service>(); Collection<Subscription> subscriptions = new ArrayList<Subscription>();
When I implement a collection that uses hashes for optimizing access, should I cache the hash values or assume an efficient implementation of hashCode()?
I\'ve implemented a GenericCollection using IBindingList, and it works great and fires events for when items are added or removed. It doesn\'t fire events when items are changed/edited as expected. Is
I have a Dictionary object in my view as <% System.Collections.Generic.Dictionary<string, string> param= new Dictio开发者_运维问答nary<string, string>();; %>
I\'m having a strange problem with the following code works. Map<String, Object> map = new HashMap<String, Object>();
I have Collection<A> ca and Collection<B> cb, A and B sharing no common interface but each having a String property called something. I need to filter ca and retain only those elements whi
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