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Return the contained value, if present, otherwise throw an exception to be
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A BufferedInputStream adds functionality to another input stream-namely, the
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An output stream that writes bytes to a file. If the output file exists, it can
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A readable source of bytes.Most clients will use input streams that read data
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A class which can consume and produce dates in SQL Date format. Dates are
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Provides an abstract class to be subclassed to create an HTTP servlet suitable
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