I'm trying to use MultiMC and it's telling me that I don't have a high enough Java version to run versions of Minecraft 1.18+. I checked my version using
java -version
and it says
openjdk version "11.0.19" 2023-04-18
OpenJDK Runtime Environment (build 11.0.19+7-post-Ubuntu-0ubuntu122.04.1)...
