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ObjectMapper provides functionality for reading and writing JSON, either to and
from basic POJOs (Pl
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Formats or parses dates and times.This class provides factories for obtaining
instances configured f
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A legacy iteration interface.New code should use Iterator instead. Iterator
replaces the enumeration
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Timers schedule one-shot or recurring TimerTask for execution. Prefer
java.util.concurrent.Scheduled
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Patterns are compiled regular expressions. In many cases, convenience methods
such as String#matches
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