Hi Loic,
You can use Optional.OfNullable() which is a kind of the general bridge between
the nullable world and the non-nullable one.
var fooOptional = Optional.ofNullable(System.getenv("FOO"));
var fooValue = fooOptional.orElse(defaultValue);
regards,
Rémi Forax
----- Mail original -----
> De: "Loïc MATHIEU" <loikes...@gmail.com>
> À: "core-libs-dev" <core-libs-dev@openjdk.java.net>
> Envoyé: Lundi 15 Février 2021 14:59:42
> Objet: System.getEnv(String name, String def)
> Hello,
>
> I wonder if there has already been some discussion to provide
> a System.getEnv(String name, String def) method that allows to return a
> default value in case the env variable didn't exist.
>
> When using system properties instead of env variable, we do have a
> System.getProperty(String key, String def) variant.
>
> Stating the JavaDoc of System.getEnv():
> *System properties and environment variables are both conceptually mappings
> between names and values*
>
> So if system properties and environment variables are similar concepts,
> they should provide the same functionalities right ?
>
> This would be very convenient as more and more people rely on
> environment variables these days to configure their applications.
>
> Regards,
>
> Loïc
