When Java burst on the scene, applets were the stars of the show. It was already clear that the HTML browser was a wonderfully universal application platform, although not a very rich one.

JavaScript, does not create applets or stand-alone applications ... not achievable with simple HTML. Listed are key differences between Java and JavaScript. Java is an OOP programming language ...

the new update will also make changes to how Java applets—Web-based Java applications—are handled and presented in Web browsers that have the Java plug-in enabled. “The Java 7u21 release ...