RFR: 8272626: Avoid C-style array declarations in java.*

[Claes Redestad]

C-style array declarations generate noisy warnings in IDEs, et.c. This patch cleans up all java.* packages.

(Copyrights intentionally not updated due the triviality of most changes)

-------------

Commit messages:
 - Avoid C-style array declarations in java packages

Changes: https://git.openjdk.java.net/jdk/pull/5161/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=5161&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8272626
  Stats: 140 lines in 54 files changed: 0 ins; 0 del; 140 mod
  Patch: https://git.openjdk.java.net/jdk/pull/5161.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/5161/head:pull/5161

PR: https://git.openjdk.java.net/jdk/pull/5161