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Return the contained value, if present, otherwise throw an exception to be
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An Internet Protocol (IP) address. This can be either an IPv4 address or an IPv6
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Provides a client-side TCP socket.
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This class is used to encode a string using the format required by
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The BitSet class implements abit array [http://en.wikipedia.org/wiki/Bit_array].
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A Map is a data structure consisting of a set of keys and values in which each
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A parser that parses a text string of primitive types and strings with the help
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