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Technology Corner >> Java Based Applications

Enterprise applications are designed and developed to play a core role in business operations. To provide the sustained, high-quality support needed for corporate activities, they must be extremely robust and resilient. Moreover, they must now possess the features and functionality that can enable corporations to make optimum benefit of the Internet and the emergence of business-to-business and business-to-market electronic commerce.

J2EE is designed to ensure sturdy and flexible enterprise solutions for the 21st century. Enterprise Applications are developed by exhibit:

Scalability: The Internet opens up an enormous marketplace. Scalable applications must deal with this.

Robustness: Robust enterprise applications provide vital support for demanding operational environments.

Security & Transactional Integrity: In the boundary-less world of the Internet, enterprise applications must be able to protect and secure systems and data by identifying and authenticating users, guarding against unauthorized use of systems and protecting data integrity. J2EE development skills provide our clients with enterprise computing and e-business solutions that offer a consistent platform across enterprise applications, freedom of choice between vendors, integrated platform services that work easily together and support for third party and e-business applications.

The Java Platform, Enterprise Edition (J2EE) offers an excellent base for the development and delivery of robust enterprise computing and e-business solutions.
J2EE is a leading-edge platform for developing, deploying and managing multi-tier enterprise applications. Development is undertaken on two levels, firstly utilizing the J2EE platform to provide a range of standard system services and secondly, building on the platform to create the unique business and presentation logic required.
In using J2EE, a software engineer accesses valuable timesaving mechanisms such as WORA (Write Once, Run Anywhere) as well as the portability and scalability needed for multi-tier applications. Use of J2EE promotes solutions, which have greater reach and impact, are scalable, robust and secure and can be created with minimum expenditure.
J2EE has been specifically designed for the Internet age. As a result, it is able to respond to the unique challenges a vastly expanded and dynamic marketplace brings in terms of collaboration, integration and technological requirements.

J2EE provides component-based, server-centric, multi-tier application architecture extending across client, middle and data tiers.
J2EE is based on Sun™s Enterprise JavaBeans (EJB) technology. EJB is a rich component model, used for developing and deploying reusable Java server components (See the Java Based Architecture bellow). It is able to define a standard programming interface for Java application servers and provides load balancing, resource optimization and transaction management.

Other key components include:

EJB Application Servers Combines Online Transaction Processing technologies with new distributed object technologies to create an environment for e-business and enterprise computing

Enterprise Java APIs Provide access for the enterprise application with distributed middleware services (naming, security, transaction, messaging, database and so on)

Servlets and JavaServerPages (JSP) Enable access to enterprise applications across the Internet

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