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This class generates cryptographically secure pseudo-random numbers. It is best
to invoke SecureRand
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Formats or parses dates and times.This class provides factories for obtaining
instances configured f
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Calendar is an abstract base class for converting between a Date object and a
set of integer fields
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A linear collection that supports element insertion and removal at both ends.
The name deque is shor
- TreeSet (java.util)
TreeSet is an implementation of SortedSet. All optional operations (adding and
removing) are support
- AtomicInteger (java.util.concurrent.atomic)
An int value that may be updated atomically. See the java.util.concurrent.atomic
package specificati
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