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ObjectMapper provides functionality for reading and writing JSON, either to and
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HashMap is an implementation of Map. All optional operations are supported.All
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A Properties object is a Hashtable where the keys and values must be Strings.
Each property can have
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A reentrant mutual exclusion Lock with the same basic behavior and semantics as
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Extends the javax.servlet.ServletRequest interface to provide request
information for HTTP servlets.
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Defines the contract between a returned instance and the runtime when an
application needs to provid
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