if you're using Java 9, you can use `List.of(..)`,...

# stdlib

[diego-gomez-olvera]

if you're using Java 9, you can use List.of(..), if not you can make it based on its implementation https://github.com/netroby/jdk9-dev/blob/master/jdk/src/java.base/share/classes/java/util/ImmutableCollections.java