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.

Open your Java software development kit and start a new project. Depending upon which software development kit you use, the exact steps will be different. Generally, locate "New" in the File menu.

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 ...

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 ...

In the previous post Java SE 7 Brings Better File Handling than Ever to Groovy , I discussed the ability to use Java 7's NIO.2 implementation to discover a wide set of attributes, characteristics ...