Run the jar tool without arguments to see its usage. You pass it the -M option to create a JAR without a manifest. You won't be able to run the JAR file with java -jar, but you will still be able ...

This post introduces you to multi-release JAR files. Discovering multi-release JAR files Many third-party Java frameworks and libraries support several versions of the Java platform.

I've got a problem that I'm stuck on. How do I programmatically get the executing jar file's absolute path?I'm trying to look for a folder that is relative to the jar file's directory but I'm ...