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Calendar is an abstract base class for converting between a Date object and a
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This class consists exclusively of static methods that operate on or return
collections. It contains
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A linear collection that supports element insertion and removal at both ends.
The name deque is shor
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Doubly-linked list implementation of the List and Dequeinterfaces. Implements
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Extends the javax.servlet.ServletRequest interface to provide request
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This is the central class in the log4j package. Most logging operations, except
configuration, are d
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