Since JNLP files are simply Java Web Start files that open applications through an Internet browser, any browser that works in Windows 8.1 will open a JNLP file as long as you have Java installed.

Like Java applets, your application will be constrained to a sandbox on the client unless you used signed jars and configure permissions correctly in your application's JNLP file.

Each JNLP service has a name and a corresponding interface. Two of the most useful services are FileOpenService and FileSaveService, which allow for the reading and writing of files, respectively.

When attempting to open a file that is associated with a new piece of software, Windows recognizes the fact that the new software can handle it and gives you the opportunity to change your default ...