Simplify code with `String.join()` -------------
Commit messages: - 8290300: Fix copy-right year - 8290300: Use standard String-joining tools where applicable Changes: https://git.openjdk.org/jdk/pull/9513/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=9513&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8290300 Stats: 90 lines in 8 files changed: 1 ins; 68 del; 21 mod Patch: https://git.openjdk.org/jdk/pull/9513.diff Fetch: git fetch https://git.openjdk.org/jdk pull/9513/head:pull/9513 PR: https://git.openjdk.org/jdk/pull/9513
