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Return the contained value, if present, otherwise throw an exception to be
created by the provided s
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ObjectMapper provides functionality for reading and writing JSON, either to and
from basic POJOs (Pl
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This class generates cryptographically secure pseudo-random numbers. It is best
to invoke SecureRand
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Formats or parses dates and times.This class provides factories for obtaining
instances configured f
- ArrayList (java.util)
ArrayList is an implementation of List, backed by an array. All optional
operations including adding
- TimeZone (java.util)
TimeZone represents a time zone offset, and also figures out daylight savings.
Typically, you get a
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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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