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Provides access to system-related information and resources including standard
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The abstract base class for all number formats. This class provides the
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GregorianCalendar is a concrete subclass of Calendarand provides the standard
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LinkedHashMap is an implementation of Map that guarantees iteration order. All
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This class provides methods that return pseudo-random values.It is dangerous to
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This is the central class in the log4j package. Most logging operations, except
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