Integer::digits type can use byte[] instead of char[], which can reduce the conversion from char to byte in the process of Integer.toString. Using byte[] can also save memory.
------------- Commit messages: - char[] -> byte[] Changes: https://git.openjdk.org/jdk/pull/25426/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=25426&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8357685 Stats: 7 lines in 2 files changed: 0 ins; 0 del; 7 mod Patch: https://git.openjdk.org/jdk/pull/25426.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/25426/head:pull/25426 PR: https://git.openjdk.org/jdk/pull/25426
