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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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Provides access to system-related information and resources including standard
input and output. Ena
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GregorianCalendar is a concrete subclass of Calendarand provides the standard
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An interface for the creation of Connection objects which represent a connection
to a database. This
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Provides Base64 encoding and decoding as defined by RFC 2045.This class
implements section 6.8. Base
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A collection that associates an ordered pair of keys, called a row key and a
column key, with a sing
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