Apple's latest Java update requires you periodically enable the Java plug-in manually. Here is how this works in OS X.

As i am a beginner in java & i need this applet badly for a Power Grid presentation in my college I will really appreciate if anybody could help me out with this.

Problems running Java applets -- fix Users continue to report issues with running specific Java applets after updating to Safari 3.1. MacFixIt reader Hal Staniloff writes: "Can't load any Java ...

Apple explains at the bottom of the dialogue box that "Websites set to 'Allow' can run Java applets as long as the installed version of Java has no known critical security issues". It's unclear ...

Although Java initially was hailed in the mid-1990s as a way to run client-side applets, the platform instead became known for its server-side capabilities.

Java applets may be re-enabled by clicking the region labeled "Inactive plug-in" on a web page. If no applets have been run for an extended period of time, the Java web plug-in will deactivate.

To run a Java applet from within a browser, the browser must permit the Java plug-in to be installed.

Rob Griffiths explains how to disable Java in many popular OS X browsers, to protect yourself from the recently-revealed Java applet security hole.

A Java update for Mac OS X 10.6 and 10.7 sets Java applets to not run automatically on all browsers, expanding a feature that was first introduced to Safari in April.