RFR: 8186958: Need method to create pre-sized HashMap [v22]

[XenoAmess]

> 8186958: Need method to create pre-sized HashMap

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

  java.xml.crypto's usage downgrade grammar to 1.8

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Changes:
  - all: https://git.openjdk.java.net/jdk/pull/7928/files
  - new: https://git.openjdk.java.net/jdk/pull/7928/files/71b7dba3..95e22f25

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=7928&range=21
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=7928&range=20-21

  Stats: 2 lines in 2 files changed: 0 ins; 0 del; 2 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