Java is used where we need versatility, efficiency, platform portability, and security.

Today Java is used in all fields including enterprise applications; data enters, game consoles to scientific supercomputers, cell phones, Internet, financé sector, telecom domain etc.

 Java is an object oriented programming language .Java is third generation programming language .So Java is used as Simple, Object-Oriented, Distributed, Interpreted, Robust, Secure, Architecture-Neutral, Portable, High-Performance, Multithreaded and Dynamic programming  language.