The following command enables you to run any Java JAR file on the command line: java -jar jarfilename.jar To use the JAR file opener that comes when you install Java with the JDK, just issue the ...

A Java 9 extension to the JAR file format makes it easier for third-party libraries and frameworks to use language and API features from newer Java releases ...

An Android APK file contains all the open-source Java files used to set up and run the Google Android app.