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Return the original filename in the client's filesystem.This may contain path
information depending
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A connection to a URL for reading or writing. For HTTP connections, see
HttpURLConnection for docume
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Thrown when a hostname can not be resolved.
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A concrete subclass of NumberFormat that formats decimal numbers. It has a
variety of features desig
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Formats and parses dates in a locale-sensitive manner. Formatting turns a Date
into a String, and pa
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A Set is a data structure which does not allow duplicate elements.
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General IO stream manipulation utilities. This class provides static utility
methods for input/outpu
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