RFR: 8370071: Clarify jcmd Thread.print help message

[Kevin Walls]

On Fri, 17 Oct 2025 08:50:45 GMT, Sean Coffey <coffeys at openjdk.org> wrote:

> Simple tweak to jcmd Thread.print help message
> 
> jdk_svc test group ran and green

Good idea, this could be clearer.

If you want to expand this: 
Elsewhere for ThreadDumpToFileDCmd we say:
"Dump threads, with stack traces, to a file in plain text or JSON format."
We could add on: "Includes virtual threads." or add in that fact somehow.

There's also a man page ./src/jdk.jcmd/share/man/jcmd.md where we have the same text for both commands.  8-)

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Marked as reviewed by kevinw (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/27861#pullrequestreview-3349068624