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Wraps either an existing OutputStream or an existing Writerand provides
convenience methods for prin
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This class contains various methods for manipulating arrays (such as sorting and
searching). This cl
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GregorianCalendar is a concrete subclass of Calendarand provides the standard
calendar used by most
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A Set is a data structure which does not allow duplicate elements.
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Factory for creating Log instances, with discovery and configuration features
similar to that employ
- Logger (org.apache.log4j)
This is the central class in the log4j package. Most logging operations, except
configuration, are d
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