> Some java/security classes apply the below coding style, > > Set<T> set = ...; > Set<T> unmodifiableSet = Collections.unmodifiableSet(new HashSet<>(set)); > > It may be unnecessary to wrap that `set` with HashSet before creating > `unmodifiableSet`. > Some usages on `Collections.unmodifiableList` and > `Collections.unmodifiableMap` have the same issue.
John Jiang has updated the pull request incrementally with one additional commit since the last revision: use copyOf instead of modifiableXXX ------------- Changes: - all: https://git.openjdk.org/jdk/pull/15008/files - new: https://git.openjdk.org/jdk/pull/15008/files/64f607da..b8f2d9e0 Webrevs: - full: https://webrevs.openjdk.org/?repo=jdk&pr=15008&range=01 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=15008&range=00-01 Stats: 11 lines in 4 files changed: 0 ins; 2 del; 9 mod Patch: https://git.openjdk.org/jdk/pull/15008.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/15008/head:pull/15008 PR: https://git.openjdk.org/jdk/pull/15008