RFR: 8186958: Need method to create pre-sized HashMap [v17]

[XenoAmess]

> 8186958: Need method to create pre-sized HashMap

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

  Copyright latest year to 2022

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

Changes:
  - all: https://git.openjdk.java.net/jdk/pull/7928/files
  - new: https://git.openjdk.java.net/jdk/pull/7928/files/2f5617bb..4476c761

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=7928&range=16
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=7928&range=15-16

  Stats: 24 lines in 24 files changed: 0 ins; 0 del; 24 mod
  Patch: https://git.openjdk.java.net/jdk/pull/7928.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/7928/head:pull/7928

PR: https://git.openjdk.java.net/jdk/pull/7928