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This class generates cryptographically secure pseudo-random numbers. It is best
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Formats and parses dates in a locale-sensitive manner. Formatting turns a Date
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A specific moment in time, with millisecond precision. Values typically come
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TimeZone represents a time zone offset, and also figures out daylight savings.
Typically, you get a
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An int value that may be updated atomically. See the java.util.concurrent.atomic
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