Java is a technology developed by Sun Microsystems to enable enterprises to build web applications that are scalable, extensible and run in a distributed environment. Java is an object oriented programming language, and when used with J2EE (Java 2 Enterprise Edition) and open source frameworks such as Struts, Hibernate and Sprint; one can easily build very complex web application in very short time. The applications run within Java Virtual Machine (JVM), which makes it slightly difficult for web hosts to offer shared Java Hosting services.