How do I use Java Web Start to download and launch a Java Applications quick and easy?
Java Web Start is installed with the Java Standard Edition SDK or JRE. For installation instructions, follow the standard installation instructions for the SDK/JRE you are installing. The Java Web Start executable usually can be found as: /path-to-your-sdk/jre/javaws/javaws (on linux, at similar locations for other operating systems). You can start the Java Web Start executable directly from the command line. To load, cache, and launch a Java Application (with a single mouse click from your browser) using Java Web Start, your web browser must be aware of the proper MIME type for JNLP files (check your browser’s MIME type settings, for JNLP files the MIME type should read: application/x-java-jnlp-file). Your browser must be configured so that it will open a JNLP file using the javaws executable (for Mozilla Firefox, see e.g. under Preferences, Downloads, File Types/Associations). If your browser just shows a plain text file (i.e. the JNLP file for the Java Application), it is not correc