Short for Java 2 Platform Enterprise Edition. 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 multitiered, Web-based applications

J2EE is actually a collection of technologies and APIs for the Java platform designed to support "Enterprise" Applications which can generally be classed as large-scale, distributed, transactional and highly-available applications designed to support mission-critical business requirements. In terms of what an employee is looking for in specific techs, it is quite hard to say, because the playing field has kept changing over he last 5 years. It really is about the class of problems that are being solved more than anything else. Transactions and distribution are key.

Characteristics of Java

• Platform neutral language.
• Object-orientated programming language.
• Strongly-typed programming language.
• Compiled and Interpreted language.
• Automatic memory management.

Applications of Java

Java can be used for any of following type of application:
• Web application.
• ERP and CRM level projects.
• Web application with standard pattern.
• Real time applications with multi-user.

Advantages of Java

• It is easy to learn and is a free software.
• Java is a object-oriented.
• Java is platform-independent.
• Easy transition to C++ and other languages.
• It runs on multiple platforms like Windows, Linux, etc. - some languages work only for Window applications, for an example.
• It supports all databases like MySQL, MSSQL, MSAccess, etc.

Who can learn JAVA?