RFR: JDK-8310267: Javadoc for Class#isPrimitive() is incorrect regarding Class objects for primitives [v4]

[Joe Darcy]

> Correct misstatement that the Class object for a primitive type can only be be access via fields like java.lang.Integer.TYPE.

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

  Fix another typo and reflow paragraphs.

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Changes:
  - all: https://git.openjdk.org/jdk/pull/14574/files
  - new: https://git.openjdk.org/jdk/pull/14574/files/9f4a5555..82a42ab9

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=14574&range=03
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=14574&range=02-03

  Stats: 10 lines in 1 file changed: 1 ins; 0 del; 9 mod
  Patch: https://git.openjdk.org/jdk/pull/14574.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/14574/head:pull/14574

PR: https://git.openjdk.org/jdk/pull/14574