[JDK-8309032](https://bugs.openjdk.org/browse/JDK-8309032), [JDK-8306488](https://bugs.openjdk.org/browse/JDK-8306488)
------------- Commit messages: - Minor code cleanup in LauncherData.java - Fix ClassCastException in getPathListParameter: ImmutableCollections$List12 cannot be cast to class String Changes: https://git.openjdk.org/jdk/pull/14840/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=14840&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8309032 Stats: 16 lines in 1 file changed: 0 ins; 8 del; 8 mod Patch: https://git.openjdk.org/jdk/pull/14840.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/14840/head:pull/14840 PR: https://git.openjdk.org/jdk/pull/14840
