Integer.stringSize and Long.stringSize are used not only in java.lang, but also in other places. We put stringSize in DecimalDigits to reduce duplicate code and the use of JLA.
------------- Commit messages: - stringSize deduplication Changes: https://git.openjdk.org/jdk/pull/20322/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=20322&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8337167 Stats: 99 lines in 8 files changed: 32 ins; 57 del; 10 mod Patch: https://git.openjdk.org/jdk/pull/20322.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/20322/head:pull/20322 PR: https://git.openjdk.org/jdk/pull/20322
