RFR: 8252859: Inconsistent use of alpha in class AbsSeq [v2]

[Albert Mingkun Yang]

> 8252859: Inconsistent use of alpha in class AbsSeq

Albert Mingkun Yang has refreshed the contents of this pull request, and previous commits have been removed. The
incremental views will show differences compared to the previous content of the PR. The pull request contains one new
commit since the last revision:

  alpha

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

Changes:
  - all: https://git.openjdk.java.net/jdk/pull/47/files
  - new: https://git.openjdk.java.net/jdk/pull/47/files/347ff19b..89df9a5f

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=47&range=01
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=47&range=00-01

  Stats: 2 lines in 1 file changed: 0 ins; 0 del; 2 mod
  Patch: https://git.openjdk.java.net/jdk/pull/47.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/47/head:pull/47

PR: https://git.openjdk.java.net/jdk/pull/47