RFR: 8295803: Console should be usable in jshell and other environments [v7]

[Jaikiran Pai]

On Mon, 5 Dec 2022 19:52:59 GMT, Naoto Sato <naoto at openjdk.org> wrote:

>> This is to allow Console to be used even when it is not attached to the platform provided terminal, such as the case when the standard input is redirected. `System.console()` now returns a Console implementation based on `jdk.internal.le` terminal by default, or jshell implementation if available. A corresponding CSR has been drafted.
>
> Naoto Sato has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Fixed the copyright year

src/java.base/share/classes/java/io/Console.java line 625:

> 623:             };
> 624:             return AccessController.doPrivileged(pa);
> 625:         } catch (ServiceConfigurationError ignore) {

Should we perhaps just catch `Throwable` here since it's possible that the `PrivelegedAction` code could throw unchecked exception (for example the call to `JdkConsoleProvider.console()` could, in theory, lead to any kind of unchecked exceptions or errors like `NoClassDefFoundError`).

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PR: https://git.openjdk.org/jdk/pull/11421