The user uploads a huge file consisting of 1 million words. I parse the file and put the each line of the file into a LinkedHashMap<Integer, String>. I need O(1) access and removal by key. A...

I am using trove 3.0.3 library in java project. All classes in gnu.trove.queue (TByteQueue, TDoubleQueue ...) are all interfaces. Where I can find implementation of Queue classes?

Is there an alternative to Guava Tables that uses primitives, instead of generic types, as the keys? I would like to use primitives to avoid the auto-boxing caused by using Java Numbers and the ad...

We have the following problem: On some of our Linux machine, Java applications which make use of the trove library and G1 GC will crash rather fast with messages of the following type: A fatal err...

With a TreeMap it's trivial to provide a custom Comparator, thus overriding the semantics provided by Comparable objects added to the map. HashMaps however cannot be controlled in this manner; the ...

Is the GNU trove library thread-safe? I am particularly interested in TObjectDoubleHashMap. I looked at their documentation, but it hasn't mentioned anything, so shall we assume it is not thread-sa...

I'm new to NoSQL, and I'm scratching my head trying to figure out the most appropriate NoSQL implementation for the application I'm trying to build. My Java application needs to have an in-memory ...

From here, I found that Colt's OpenIntIntHashMap and Trove's TIntIntHashMap give better performance and memory uses than Java's built in HashMap or Guava's HashMultimap. Do Colt's OpenIntIntHashMa...

I've got a gigantic Trove map and a method that I need to call very often from multiple threads. Most of the time this method shall return true. The threads are doing heavy number crunching and I n...