Java is a programming language that's used to install and run programs. Chances are that there are already several programs on your Windows computer that run using Java, even if you don't know it.

Java is a computer programming language that is found on desktops to servers to mobile devices and also smart cards. The Java application runs on most of the systems including Linux, Mac, and Windows.

Calling all computer users: Do you know if one or more Java browser plug-ins are installed on your Windows, Mac OS X or Linux system and, if so, what versions do you have? Hundreds of millions of PCs ...