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  1. JDK
  2. JDK-8177290 add copy factory methods for unmodifiable List, Set, Map
  3. JDK-8197976

Release Note: APIs for Creating Unmodifiable Collections

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      Several new APIs have been added that facilitate the creation of unmodifiable collections. The `List.copyOf`, `Set.copyOf`, and `Map.copyOf` methods create new collection instances from existing instances. New methods `toUnmodifiableList`, `toUnmodifiableSet`, and `toUnmodifiableMap` have been added to the `Collectors` class in the Stream package. These allow the elements of a Stream to be collected into an unmodifiable collection.

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            • Assignee:
              smarks Stuart Marks
              Reporter:
              smarks Stuart Marks
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