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GregorianCalendar is a concrete subclass of Calendarand provides the standard
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This class provides methods that return pseudo-random values.It is dangerous to
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An ExecutorService that executes each submitted task using one of possibly
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Basic implementation of javax.sql.DataSource that is configured via JavaBeans
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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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