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An immutable arbitrary-precision signed decimal.A value is represented by an
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A connection to a URL for reading or writing. For HTTP connections, see
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KeyStore is responsible for maintaining cryptographic keys and their owners.
The type of the syste
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Uses a one-way hash function to turn an arbitrary number of bytes into a
fixed-length byte sequence.
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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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A Set is a data structure which does not allow duplicate elements.
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