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Return the contained value, if present, otherwise throw an exception to be
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Uses a one-way hash function to turn an arbitrary number of bytes into a
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Formats or parses dates and times.This class provides factories for obtaining
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The BitSet class implements abit array [http://en.wikipedia.org/wiki/Bit_array].
Each element is eit
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TimeZone represents a time zone offset, and also figures out daylight savings.
Typically, you get a
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This Graphics2D class extends the Graphics class to provide more sophisticated
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