it.unimi.dsi:fastutil-extra
Advanced tools
fastutil extends the Java Collections Framework by providing type-specific maps, sets, lists and priority queues with a small memory footprint and fast access and insertion; provides also big (64-bit) arrays, sets and lists, sorting algorithms, and fast, practical I/O classes for binary and text files. This module adds data structures based on references, bytes, and characters.
fastutil is a collection of type-specific Java classes that extend the Java Collections Framework by providing several containers, such as maps, sets, lists and prority queues, implementing the interfaces of the java.util package; it also provides big (64-bit) arrays, sets, lists, and fast, practical I/O classes for binary and text files.
fastutil provides a huge collection of specialized classes generated starting from a parametrized version; the classes are much more compact and much faster than the general ones. Please read the package documentation for more information.
Note that the jar file is huge, due to the large number of classes. To
create a small, customized fastutil jar (which you can put in your repo,
local maven, etc.), we provide the find-deps.sh shell script. It has
mild prerequisites, as only the jdeps tool is required (bundled with JDK
8). It can be used to identify all fastutil classes your project uses and
build a minimized jar only containing the necessary classes. You can also
have a look at AutoJar or similar tools to extract automatically the
necessary classes.
You have to "make sources" to get the actual Java sources; finally, "ant jar" will generate the jar file; "ant javadoc" will generate the API documentation; "ant junit" will run the unit tests.
The Java sources are generated using a C preprocessor. The gencsource.sh
script reads in a driver file, that is, a Java source that uses some
preprocessor-defined symbols and some conditional compilation, and produces a
(fake) C source, which includes the driver code and some definitions that
customize the environment.
FAQs
fastutil extends the Java Collections Framework by providing type-specific maps, sets, lists and priority queues with a small memory footprint and fast access and insertion; provides also big (64-bit) arrays, sets and lists, sorting algorithms, and fast, practical I/O classes for binary and text files. This module adds data structures based on references, bytes, and characters.
We found that it.unimi.dsi:fastutil-extra demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 0 open source maintainers collaborating on the project.
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