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I've created what I'm pretty sure is a modular jar file. But if possible, I'd like to double check. Given a jar file, is there a way to determine what modules the compiler would find within it?
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It is that file that defines a module's name, dependencies, and APIs. So there is a strong connection between JARs and modules: JARs are the containers from which the module system creates modules and (at the moment) each JAR can only contain a single module.
The JAR file contains the TicTacToe class file and the audio and images directory, as expected. The output also shows that the JAR file contains a default manifest file, META-INF/MANIFEST. MF, which was automatically placed in the archive by the JAR tool.
The alternative is to use the jar --describe-module (-d for short), e.g.:
jar --file=myjar.jar --describe-module
You can list the modules within the jar using the following java tool command:-
java -p yourModular.jar --list-modules
Edit: You shall preferably make use of the jar command lin as suggested in @Alan's answer.
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