Java is a versatile powerful programing language allowing users to enjoy interactive web-content, powerful multi-platform applications and much more on their computers, Java Runtime Environment (JRE) allows users to run applications and applets written in Java on their computers, being a powerful and widely used programming language Java is often a primary target for Malware authors who use vulnerabilities in JRE to spread the infection, Java advises users to always have the most updated version of Java Runtime Environment (JRE) on their computers to enjoy latest feature additions, better performance and fixed security vulnerabilities, however at the same time Java updater retains older versions for backward compatibility, and if you don't want this, open-source utility JavaRa is the solution, the portable utility lets you automatically remove all the older Java Runtime Environment (JRE) versions and update to the latest with ease.