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Return the contained value, if present, otherwise throw an exception to be
created by the provided s
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A connection to a URL for reading or writing. For HTTP connections, see
HttpURLConnection for docume
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A class which can consume and produce dates in SQL Date format. Dates are
represented in SQL as yyyy
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A legacy iteration interface.New code should use Iterator instead. Iterator
replaces the enumeration
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HashMap is an implementation of Map. All optional operations are supported.All
elements are permitte
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A collection designed for holding elements prior to processing. Besides basic
java.util.Collection o
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A Window object is a top-level window with no borders and no menubar. The
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