The popularity of Java is further evidenced by 90 per cent of all Fortune 500 companies using Java. Java is also used for desktop computing, other mobile computing, games, and numerical computing. It is also used as the server-side language for most of the back-end development tasks, like those concerning Android development and Big Data. Java is one of the most commonly used programming languages. “Our world, moved by Java”, Take a moment to contemplate this phrase. Internet Service Provider Automation System Create a Consumer Relationship Management System Intermediate Java Projects With Source Code.