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An Internet Protocol (IP) address. This can be either an IPv4 address or an IPv6
address, and in pra
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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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A Java representation of the SQL TIMESTAMP type. It provides the capability of
representing the SQL
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Calendar is an abstract base class for converting between a Date object and a
set of integer fields
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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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A reentrant mutual exclusion Lock with the same basic behavior and semantics as
the implicit monitor
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