Similar to PR #20321, this improves performance by providing a method that passes in a StringBuilder to avoid unnecessary object allocation.
------------- Commit messages: - copyright - use var - Update src/java.base/share/classes/java/time/ZonedDateTime.java - refactor datetime to string Changes: https://git.openjdk.org/jdk/pull/20368/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=20368&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8337832 Stats: 32 lines in 4 files changed: 23 ins; 1 del; 8 mod Patch: https://git.openjdk.org/jdk/pull/20368.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/20368/head:pull/20368 PR: https://git.openjdk.org/jdk/pull/20368
