Vision has invested in training resources
and developing framework combining best
design practices for developing applications
based on J2EE, this enables a developer
to jump-start into development right away,
without worrying about the intricacies behind
database connectivity, File I/O, error handling,
session and application management.
The framework is created
to help speed up development time and build
web applications with fewer complexities.
Using these frameworks, majority of the
efforts is focused on the business logic
or functionality implementation.
Most J2EE web-based enterprise
applications are split into three logical
tiers, Presentation Tier, Business Logic
Tier, and Enterprise Information System
Tier.
The presentation tier,
which aims at presenting the business information
to the user, is implemented using Servlets,
JSPs and HTML/WML.
The business tier, where
core business mechanisms are implemented,
is usually encapsulated in EJBs (Enterprise
Java Beans).
The enterprise information
system tier, which represents different
kinds of legacy systems, database servers,
etc is usually accessed through the JDBC
API and other standard interfaces provided
by the J2EE Connector Architecture.
Experience Gateway
Vision has successfully developed Enterprise
Solutions, E-Commerce Portals (B2B), using
J2EE Specification.
J2EE Expertise
Presentation Layer Applet,Servlet,JSP,HTML
Validation(Client Side) Java Script
Database Postgres, MSSql, Oracle
Middle Tier Tomcat, Oracle 9iAs
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