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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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GregorianCalendar is a concrete subclass of Calendarand provides the standard
calendar used by most
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Doubly-linked list implementation of the List and Dequeinterfaces. Implements
all optional list oper
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A collection designed for holding elements prior to processing. Besides basic
java.util.Collection o
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A reentrant mutual exclusion Lock with the same basic behavior and semantics as
the implicit monitor
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Is the value null?
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