An Introduction to Java EE 7

Enterprises today live in world where competition is intense. So applications are needed which can fulfill their business requirements. These applications are getting more and more complex. The world is going smaller because of globalization, companies across continents doing business 24/7 over the Internet reaching different countries, have datacenters, and systems dealing with different currencies and time zones—and at the same time reducing their costs, improving the response time, storing data on reliable and secure storage, and offering several mobile and web interfaces to their customers, employees, and suppliers.

A vast majority of companies are combining these complex tasks with their existing enterprise information systems (EIS) and meanwhile developing business-to-business applications so that communication can be established with partners or business-to-customer systems through mobile and geolocalized applications. Many of the companies also need to co-ordinate data stored across the globe, processed by variety of programming languages, and routed through infinite number of protocols. All this has to be achieved without losing money. Enterprise applications have to face change and complexity, and be robust. That’s precisely why Java Enterprise Edition (Java EE) was created.

At the very beginning Java EE (originally known as J2EE) focused on challenges faced by companies back in 1999: distributed components. To achieve this distributed nature software applications have had to implement new solutions like SOAP or RESTful web services. The Java EE platform has been built to cater to these technical needs by providing several ways of working through standard specifications which are published by ORACLE. All this long, Java EE has evolved and become richer, simpler, easier to use, more portable, and more integrated.