There a few unnecessary usages of StringBuffer in SQLOutputImpl class. All of them create StringBuffer from single character and then concatenate with String. Instead of this, we can concatenate character directly.
------------- Commit messages: - [PATCH] Cleanup usages of StringBuffer in SQLOutputImpl Changes: https://git.openjdk.org/jdk/pull/10320/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=10320&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8294361 Stats: 36 lines in 1 file changed: 0 ins; 15 del; 21 mod Patch: https://git.openjdk.org/jdk/pull/10320.diff Fetch: git fetch https://git.openjdk.org/jdk pull/10320/head:pull/10320 PR: https://git.openjdk.org/jdk/pull/10320