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A TimeUnit represents time durations at a given unit of granularity and provides
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An int value that may be updated atomically. See the java.util.concurrent.atomic
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Patterns are compiled regular expressions. In many cases, convenience methods
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A Rectangle specifies an area in a coordinate space that is enclosed by the
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This is the main interface of a Quartz Scheduler. A Scheduler maintains a registry of org.quartz.Job
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