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This class represents a server-side socket that waits for incoming client
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A Uniform Resource Locator that identifies the location of an Internet resource
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Thrown when a hostname can not be resolved.
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Calendar is an abstract base class for converting between a Date object and a
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Walk the nodes of the tree left-to-right or right-to-left. Note that in
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Patterns are compiled regular expressions. In many cases, convenience methods
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