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.

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 ...

How to install Java on your computer To run Java apps, open JAR files or compile some source code into bytecode you’ll need to install Java. To download and install Java on Windows, MacOS or Ubuntu, ...

Packaging Java programs as JAR files There's nothing particularly interesting about a JAR file. At its heart, it's simply a mechanism to compress multiple files. A JAR file uses exactly the same ...