- Running tasks concurrently on multiple threads
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An output stream that writes bytes to a file. If the output file exists, it can
be replaced or appen
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A Map is a data structure consisting of a set of keys and values in which each
key is mapped to a si
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A parser that parses a text string of primitive types and strings with the help
of regular expressio
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TreeSet is an implementation of SortedSet. All optional operations (adding and
removing) are support
- BlockingQueue (java.util.concurrent)
A java.util.Queue that additionally supports operations that wait for the queue
to become non-empty
- Color (java.awt)
The Color class is used to encapsulate colors in the default sRGB color space or
colors in arbitrary
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