To learn how to , follow the steps given in this blog. First, install the Chrome addon CheerpJ Applet Runner. After you've downloaded the addon, the extension looks like a shield icon on the Chrome toolbar is installed. Click the CheerpJ icon on a website with a Java applet, then select Run Applets to activate the Java applets on the page. Once you have allowed it, all applets will function normally inside your Chrome browser. When the Java applets load, the CheerpJ applet runner Chrome addon may take a bit longer than alternative options.
To see this working, head to your live site.