Many cross-platform applications also require Java to operate properly. In addition, two key deployment technologies are part of the JRE: Java Plug-in, which Enables Applets to Run in Popular Browsers and Web Start, which deploys standalone applications over a network. It provides the libraries, the Java Virtual Machine, and other components to run applets and applications written in the Java programming language. It's also integral to the intranet applications and other e-business solutions that are the foundation of corporate computing. Java Runtime Environment (JRE) allows you to play online games, chat with people around the world, calculate your mortgage interest, and view images in 3D, just to name a few.
