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A controller for the selection of SelectableChannel objects. Selectable channels
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This class generates cryptographically secure pseudo-random numbers. It is best
to invoke SecureRand
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GregorianCalendar is a concrete subclass of Calendarand provides the standard
calendar used by most
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HashSet is an implementation of a Set. All optional operations (adding and
removing) are supported.
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- DataSource (javax.sql)
An interface for the creation of Connection objects which represent a connection
to a database. This
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