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- ObjectMapper (com.fasterxml.jackson.databind)
ObjectMapper provides functionality for reading and writing JSON, either to and
from basic POJOs (Pl
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Calendar is an abstract base class for converting between a Date object and a
set of integer fields
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HashSet is an implementation of a Set. All optional operations (adding and
removing) are supported.
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The Modifier class provides static methods and constants to decode class and
member access modifiers
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