> Currently Set.copyOf allocates both a HashSet and a new empty array when the > input collection is empty. > > This patch avoids allocating anything for the case where the parameter > collection's isEmpty returns true.
Viktor Klang has updated the pull request incrementally with one additional commit since the last revision: Adding comment clarifying where implicit nullchecks are made in Set and Map copyOf ------------- Changes: - all: https://git.openjdk.org/jdk/pull/11847/files - new: https://git.openjdk.org/jdk/pull/11847/files/860b0c99..9d80411a Webrevs: - full: https://webrevs.openjdk.org/?repo=jdk&pr=11847&range=04 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=11847&range=03-04 Stats: 2 lines in 2 files changed: 0 ins; 0 del; 2 mod Patch: https://git.openjdk.org/jdk/pull/11847.diff Fetch: git fetch https://git.openjdk.org/jdk pull/11847/head:pull/11847 PR: https://git.openjdk.org/jdk/pull/11847
