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ObjectMapper provides functionality for reading and writing JSON, either to and
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A connection to a URL for reading or writing. For HTTP connections, see
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Java representation of an SQL TIME value. Provides utilities to format and parse
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HashSet is an implementation of a Set. All optional operations (adding and
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A collection designed for holding elements prior to processing. Besides basic
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Walk the nodes of the tree left-to-right or right-to-left. Note that in
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