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Provides access to system-related information and resources including standard
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A connection to a URL for reading or writing. For HTTP connections, see
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An ordered collection (also known as a sequence). The user of this interface has
precise control ove
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A collection designed for holding elements prior to processing. Besides basic
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This is the central class in the log4j package. Most logging operations, except
configuration, are d
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A filter is an object that performs filtering tasks on either the request to a
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