Java runs on more than 850 million personal computers worldwide, and on billions of devices worldwide, including mobile and TV devices. Java is a programming language and computing platform first released by Sun Microsystems in 1995. It is the Underlying technology that powers state-of-the-art programs including utilities, games, and business applications
There are lots of applications and websites that won't work unless you have Java installed, and more are created every day. Java is fast, secure, and reliable. From laptops to datacenters, game consoles to scientific supercomputers, cell phones to the Internet, Java is everywhere! Java is free to download and use. Java allows you to play online games, chat with people around the world, calculate your mortgage interest, and view images in 3D, just to name a few. It's also integral to the intranet applications and other e-business solutions that are the foundations of corporate computing Java is a language and J2ee is a platform which implements Java language.
J2EE is a platform-independent, Java-centric environment from Sun for developing, building and deploying Web-based enterprise applications online. The J2EE platform consists of a set of services, APIs, and protocols that provide the functionality for developing multitier, Web-based applications.
Contents of Java J2EE
JAVA 2 JDK 1.6
Learning the basics of JAVA
Classes and Objects
Object Oriented Programming with Java
Basic Features of JAVA
New features of JAVA Language
Storing and retrieving Data with I/O
Working with Relational Databases
Improving performance with Prepared statements & stored procedures
Developing Java Web Applications
Java Enterprise Edition 5 L EJB 3.0
Contents of J2EE Advanced