<i18n dev> RFR: 8271603: Unnecessary Vector usage in java.desktop [v2]

[Andrey Turbanov]

> Usage of thread-safe collection `Vector` is unnecessary. It's recommended to use `ArrayList` if a thread-safe implementation is not needed. In post-BiasedLocking times, this is gets worse, as every access is synchronized.
> I checked only places where `Vector` was used as local variable.

Andrey Turbanov has updated the pull request incrementally with one additional commit since the last revision:

  8271603: Unnecessary Vector usage in java.desktop
  revert back to Enumeration
  bring back default values

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Changes:
  - all: https://git.openjdk.java.net/jdk/pull/4680/files
  - new: https://git.openjdk.java.net/jdk/pull/4680/files/12e39834..7a2393eb

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=4680&range=01
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=4680&range=00-01

  Stats: 15 lines in 4 files changed: 1 ins; 2 del; 12 mod
  Patch: https://git.openjdk.java.net/jdk/pull/4680.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/4680/head:pull/4680

PR: https://git.openjdk.java.net/jdk/pull/4680