Java TV is the term used for a set-top box, for which the software is written in the object oriented programming language Java.

Java version 2 has 3 variants:

• J2SE: the "Standard Edition"
• J2EE: the "Enterprise Edition", that extends J2SE with standards for backend programming
• J2ME: the "Micro Edition", that requires much less of devices it runs on with respect to peripherals, e.g., where the user interface or network is concerned. Java set-top boxes are based on J2ME.