How to Configure Chrome to Open JNLP Files. Java Network Launching Protocol, or JNLP files, are used for launching Java programs and Web applets over the Internet or company intranet.

A JAR file is an archive file but is more than a file compression format. Here's how to open, run, or execute JAR files.

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 ...

Executable JAR files For an executable JAR file that contains a stand-alone application, a Main-Class attribute should exist that provides the name of the first piece of code for the Java Runtime ...

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.