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.

It can be any file or application you like. For instance, if you want a picture of you beloved llama to open in Preview every Wednesday at 2:12 PM, just choose that file and set the alarm accordingly.

Enterprise Java specialist Steve Haines joins the Open source Java projects series this month with an introduction to Java Caching System (JCS), a robust enterprise-level caching solution.