Day 2. The J2EE Platform and Roles

Yesterday, you learned about enterprise computing and some of the problems facing developers of enterprise solutions. The day also introduced J2EE, a technology that can help you develop secure, scalable, and platform-independent solutions that meet the needs of today's business.

Today, you will explore the J2EE platform and see what it can offer you to help solve your business problems. J2EE is a large framework that boasts of a wide-range of components, services, and roles. It is these that you explore today, so that you'll be eager and prepared to start writing code tomorrow. The following are the major topics today covers:

• Understanding how J2EE delivers solutions for today's business

• Introducing the available Web-centric components

• Introducing the use of Enterprise JavaBeans

• Assessing platform roles

• Exploring the packaging and deployment of enterprise applications