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Represents a command that can be executed. Often used to run code in a different
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A ConnectException is thrown if a connection cannot be established to a remote
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A connection to a URL for reading or writing. For HTTP connections, see
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Formats or parses dates and times.This class provides factories for obtaining
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A collection designed for holding elements prior to processing. Besides basic
java.util.Collection o
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Walk the nodes of the tree left-to-right or right-to-left. Note that in
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