RFR: 8219567: Name of first parameter of RandomAccessFile(String,String) is inconsistent [v2]

[Brian Burkhalter]

> Revise some verbiage about the `RandomAccessFile(String,String)` constructor so that the string name of a file is referred to as _pathname string_ for consistency with `java.io.File`.

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

  8219567: Align checkWrite() verbiage with that of checkRead()

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Changes:
  - all: https://git.openjdk.org/jdk/pull/15351/files
  - new: https://git.openjdk.org/jdk/pull/15351/files/d8e43b53..ef91651b

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=15351&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=15351&range=00-01

  Stats: 2 lines in 1 file changed: 0 ins; 0 del; 2 mod
  Patch: https://git.openjdk.org/jdk/pull/15351.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/15351/head:pull/15351

PR: https://git.openjdk.org/jdk/pull/15351