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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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A legacy iteration interface.New code should use Iterator instead. Iterator
replaces the enumeration
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JarFile is used to read jar entries and their associated data from jar files.
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This is the central class in the log4j package. Most logging operations, except
configuration, are d
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