RFR: 8269124: Update java.time to use switch expressions (part II) [v4]

[Patrick Concannon]

> Hi,
> 
> Could someone please review the second half of my update for the `java.time` package to make use of switch expressions?
> 
> This PR was split into two parts due to the large number of files affected.
> 
> Kind regards,
> 
> Patrick

Patrick Concannon has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains four additional commits since the last revision:

 - Merge remote-tracking branch 'origin/master' into JDK-8269124
 - 8269124: Added missing return
 - 8269124: Added missing brace; fixed build issue
 - 8269124: Update java.time to use switch expressions (part II)

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

Changes:
  - all: https://git.openjdk.java.net/jdk/pull/4552/files
  - new: https://git.openjdk.java.net/jdk/pull/4552/files/9c629c82..0c6c4a2a

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=4552&range=03
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=4552&range=02-03

  Stats: 5886 lines in 182 files changed: 2055 ins; 3315 del; 516 mod
  Patch: https://git.openjdk.java.net/jdk/pull/4552.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/4552/head:pull/4552

PR: https://git.openjdk.java.net/jdk/pull/4552