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Allows reading from and writing to a file in a random-access manner. This is
different from the uni-
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This class contains various methods for manipulating arrays (such as sorting and
searching). This cl
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GregorianCalendar is a concrete subclass of Calendarand provides the standard
calendar used by most
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A java.util.Queue that additionally supports operations that wait for the queue
to become non-empty
- Callable (java.util.concurrent)
A task that returns a result and may throw an exception. Implementors define a
single method with no
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