About Question enthuware.ocpjp.v17.-2-.-3152 :

[likejudo]

Is etsviewer.jar modularized? I was trying out the commands on it but get

PS C:\Users\Me\Documents\Learn\Java\Certification\17> java --show-module-resolution -m etsviewer.jar
Error occurred during initialization of boot layer
java.lang.module.FindException: Module etsviewer.jar not found
PS C:\Users\Me\Documents\Learn\Java\Certification\17> java --show-module-resolution -p etsviewer.jar
root jdk.management.jfr jrt:/jdk.management.jfr
root java.rmi jrt:/java.rmi
root java.sql jrt:/java.sql
...
Error occurred during initialization of boot layer
java.lang.module.FindException: Unable to derive module descriptor for etsviewer.jar
Caused by: java.lang.module.InvalidModuleDescriptorException: MainW.class found in top-level directory (unnamed package not allowed in module)

[admin]

No, it is not.