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Return the contained value, if present, otherwise throw an exception to be
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This class generates cryptographically secure pseudo-random numbers. It is best
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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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Main entry-point into the library.
Options represents a collection of Option objects, which describ
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