In several places, String.compareTo was _compared_ with 0 ( via `== 0` or `!= 0`). Instead of this, we can use String.equals calls. `String.equals` is faster and shorter.
------------- Commit messages: - [PATCH] Use String.equals instead of String.compareTo to check String's equality in jdk.jcmd Changes: https://git.openjdk.java.net/jdk/pull/5637/files Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=5637&range=00 Issue: https://bugs.openjdk.java.net/browse/JDK-8274163 Stats: 37 lines in 4 files changed: 0 ins; 0 del; 37 mod Patch: https://git.openjdk.java.net/jdk/pull/5637.diff Fetch: git fetch https://git.openjdk.java.net/jdk pull/5637/head:pull/5637 PR: https://git.openjdk.java.net/jdk/pull/5637
