These files can include CLASS files, which are compiled JAVA code, image files, audio files, ... To open a .jar file in Windows, you can right-click on the file and select Extract all.

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 ...

Java Network Launching Protocol, or JNLP files, are used for launching Java programs and Web applets over the Internet or company intranet. While some browsers, such as Internet Explorer, launch ...

Java Archive apps. Each installation of the Java Development Kit (JDK) includes a JAR utility (named jar.sh on Unix and jar.exe on Windows) that provides a variety of helpful functions for working ...

An Android APK file contains all the open-source Java files used to set up and run the Google Android app. You can extract these files and load them into your local Android SDK, ...