The document provides an introduction to Java Enterprise Edition (Java EE) including: 1. An overview of what Java EE is, its key deliverables and basic multi-tier architecture with components and containers. 2. The benefits of Java EE for developers, vendors and businesses including application portability and large developer community support. 3. A brief description of the most common Java EE technologies, specifications, APIs and how applications are assembled and deployed on Java EE platforms.