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ObjectMapper provides functionality for reading and writing JSON, either to and
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Wraps either an existing OutputStream or an existing Writerand provides
convenience methods for prin
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An ordered collection (also known as a sequence). The user of this interface has
precise control ove
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A Map is a data structure consisting of a set of keys and values in which each
key is mapped to a si
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An interface for the creation of Connection objects which represent a connection
to a database. This
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