Consider the following JShell session:
```
$ jshell --enable-preview -C-Xlint:all
Warning:
module imports are a preview feature and may be removed in a future release.
import module java.base;
       ^
| Welcome to JShell -- Version 24-internal
| For an introduction type: /help intro

jshell> 1
| Warning:
| module imports are a preview feature and may be removed in a future release.
| 1
| ^
$1 ==> 1

jshell> 2
| Warning:
| module imports are a preview feature and may be removed in a future release.
| 2
| ^
| Warning:
| class file for uses preview features of Java SE 24.
| 2
| ^
$2 ==> 2


```

The preview warnings appear to be obnoxious.