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This class generates cryptographically secure pseudo-random numbers. It is best
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GregorianCalendar is a concrete subclass of Calendarand provides the standard
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An iterator over a sequence of objects, such as a collection.If a collection has
been changed since
- 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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- StringUtils (org.apache.commons.lang)
Operations on java.lang.String that arenull safe.
* IsEmpty/IsBlank - checks if a String contains
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