RFR: 8275775: Add jcmd VM.classes to print details of all classes [v2]

[Chris Plummer]

On Wed, 19 Jan 2022 02:42:13 GMT, Yi Yang <yyang at openjdk.org> wrote:

> > It seems it would be useful to support the verbose output with just a single class that is specified, although that would suggest that the dcmd name should then be something other than `VM.classes`.
> 
> This is a good idea, but `jcmd VM.classes verbose=XX` looks strange, `jcmd VM.class XX` is also not much proper, because we desire to print all classes in default(`jcmd VM.class`). an alternative is to use `jcmd VM.classes verbose | grep XX` currently.

I was thinking the syntax would look like:  `jcmd VM.classes [verbose [classname]]`

Your grep solution doesn't work because each class has multiple lines of output.

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

PR: https://git.openjdk.java.net/jdk/pull/7105