Problemunvalidated

IntelliJ suggests importing the one from `java.lang.reflect`. — Make sure you import `Executable` from the right source. Tension: the `FunctionalInterface` error comes from there. Outcome: This should now do the job.

24c3765c-684c-4a1a-affe-66597e198983

IntelliJ suggests importing the one from java.lang.reflect. — Make sure you import Executable from the right source. Tension: the FunctionalInterface error comes from there. Outcome: This should now do the job.