The getRules() method of the ZoneId class in Java is used to get the time-zone rules for this ID allowing calculations to be performed. The rules provide the functionality associated with a time-zone like an offset for a given instant or local date-time. The rules are supplied by ZoneRulesProvider. An advanced provider may support dynamic updates to the rules without restarting the Java Runtime. If so, then the result of this method may change over time. Each individual call will still remain thread-safe.
public abstract ZoneRules getRules()
Parameters: This method accepts nothing.
Return value: This method returns the rules.
Below programs illustrate the getRules() method:
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