RFR: 8332084: Ensure JdkConsoleImpl.restoreEcho visibility in a shutdown hook

[ExE Boss]

On Fri, 10 May 2024 21:55:26 GMT, Naoto Sato <naoto at openjdk.org> wrote:

> Making sure `restoreEcho` correctly reflects the state in the shutdown thread, which differs from the application's thread that issues the `readPassword()` method.

src/java.base/share/classes/jdk/internal/io/JdkConsoleImpl.java line 160:

> 158:                                 }
> 159:                             });
> 160:         } catch (IllegalStateException e) {

For consistency, this can also use `_`:
Suggestion:

        } catch (IllegalStateException _) {

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PR Review Comment: https://git.openjdk.org/jdk/pull/19184#discussion_r1597369939