StringBuffer is a legacy synchronized class. StringBuilder is a direct replacement to StringBuffer which generally have better performance
------------- Commit messages: - [PATCH] Cleanup usages of StringBuffer in jdk tools modules Changes: https://git.openjdk.java.net/jdk/pull/5433/files Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=5433&range=00 Issue: https://bugs.openjdk.java.net/browse/JDK-8274898 Stats: 8 lines in 3 files changed: 0 ins; 0 del; 8 mod Patch: https://git.openjdk.java.net/jdk/pull/5433.diff Fetch: git fetch https://git.openjdk.java.net/jdk pull/5433/head:pull/5433 PR: https://git.openjdk.java.net/jdk/pull/5433
