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This class generates cryptographically secure pseudo-random numbers. It is best
to invoke SecureRand
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The BitSet class implements abit array [http://en.wikipedia.org/wiki/Bit_array].
Each element is eit
- List (java.util)
An ordered collection (also known as a sequence). The user of this interface has
precise control ove
- UUID (java.util)
UUID is an immutable representation of a 128-bit universally unique identifier
(UUID). There are mul
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An Executor that provides methods to manage termination and methods that can
produce a Future for tr
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Patterns are compiled regular expressions. In many cases, convenience methods
such as String#matches
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