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ObjectMapper provides functionality for reading and writing JSON, either to and
from basic POJOs (Pl
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An Internet Protocol (IP) address. This can be either an IPv4 address or an IPv6
address, and in pra
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Note: Do not use this class since it is obsolete. Please use the Map interface
for new implementatio
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Vector is an implementation of List, backed by an array and synchronized. All
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Operations on java.lang.String that arenull safe.
* IsEmpty/IsBlank - checks if a String contains
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Defines the contract between a returned instance and the runtime when an
application needs to provid
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