The program is fast, secure, and reliable. There are lots of applications and websites that will not work unless you have Java installed, and more are created every day. It is a programming language and computing platform first released by Sun Microsystems in 1995. 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.
