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A BufferedInputStream adds functionality to another input stream-namely, the
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Uses a one-way hash function to turn an arbitrary number of bytes into a
fixed-length byte sequence.
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A legacy iteration interface.New code should use Iterator instead. Iterator
replaces the enumeration
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GregorianCalendar is a concrete subclass of Calendarand provides the standard
calendar used by most
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Defines a general exception a servlet can throw when it encounters difficulty.
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Extends the javax.servlet.ServletRequest interface to provide request
information for HTTP servlets.
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