155  * {@code hashCode}, {@code toString}, {@code getDisplayName} and {@code normalized}.

   155  * {@code hashCode}, {@code toString}, {@code getDisplayName} and {@code normalized}.

   156  * However, any call to {@code getRules} will fail with {@code ZoneRulesException}.

   156  * However, any call to {@code getRules} will fail with {@code ZoneRulesException}.

   157  * This approach is designed to allow a {@link ZonedDateTime} to be loaded and

   157  * This approach is designed to allow a {@link ZonedDateTime} to be loaded and

   158  * queried, but not modified, on a Java Runtime with incomplete time-zone information.

   158  * queried, but not modified, on a Java Runtime with incomplete time-zone information.

   159  *

   159  *

   161  * This abstract class has two implementations, both of which are immutable and thread-safe.

   161  * This abstract class has two implementations, both of which are immutable and thread-safe.

   162  * One implementation models region-based IDs, the other is {@code ZoneOffset} modelling

   162  * One implementation models region-based IDs, the other is {@code ZoneOffset} modelling

   163  * offset-based IDs. This difference is visible in serialization.

   163  * offset-based IDs. This difference is visible in serialization.

   164  *

   164  *

   165  * @since 1.8

   165  * @since 1.8