JAR file versioning

- The Jar Utility has also been enriched…with a few modulary-based options.…In JPMS class directories, can contain…the module-info class at the root.…Similarly, a jar file is considered to be modular…if it has a module-info class at its root,…and it can then be used within JPMS.…The relationship between modules and jar files is 1:1.…This means that jar files must contain only one module.…

I'm now going to build the application…and create a jar file for each module.…This command creates a jar file for…the move-in package and all other packages.…It's recommended to name the jar file after the module name.…The dash C option sets the mod's…com red 30 tech movement, as the root directory.…So, files in the jar will be relative to that directory.…This is important because the module-info class…must be at the root of the jar file.…

To run the application using jar files,…specify the jar directory in the…Java command line using the module path.…The jar files are all contained within the bin directory.…The module path specifies where to find…