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A legacy iteration interface.New code should use Iterator instead. Iterator
replaces the enumeration
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An ordered collection (also known as a sequence). The user of this interface has
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A parser that parses a text string of primitive types and strings with the help
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Walk the nodes of the tree left-to-right or right-to-left. Note that in
descending iterations, next
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TreeSet is an implementation of SortedSet. All optional operations (adding and
removing) are support
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An ExecutorService that executes each submitted task using one of possibly
several pooled threads, n
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