On Tue, 16 Feb 2021 21:57:43 GMT, Ian Graves <igra...@openjdk.org> wrote:
> Modify the `unmodifiable*` methods in `java.util.Collections` to be > idempotent. That is, when given an immutable collection from > `java.util.ImmutableCollections` or `java.util.Collections`, these methods > will return the reference instead of creating a new immutable collection that > wraps the existing one. This pull request has now been integrated. Changeset: dbef0ec9 Author: Ian Graves <igra...@openjdk.org> Committer: Stuart Marks <sma...@openjdk.org> URL: https://git.openjdk.java.net/jdk/commit/dbef0ec9 Stats: 146 lines in 2 files changed: 145 ins; 0 del; 1 mod 6323374: (coll) Optimize Collections.unmodifiable* and synchronized* Reviewed-by: redestad, smarks, darcy ------------- PR: https://git.openjdk.java.net/jdk/pull/2596
