Designing a system that can evolve without creating a maintenance nightmare is far from trivial. A service oriented, modular software architecture will help a lot to achieve this goal. Modularity forces separation of concerns which, when combined with a service oriented architecture, enables you to replace parts of a system …
In the context of Java EE 6, unit tests are nice but worthless. Unit and integration tests execute chunks of the business logic in a single thread. Back-end resources and shared states are simulated with mocks. After the initial deployment, your application will never be executed again in a single …
This tutorial is a practical introduction to combining OSGi and Java EE . You will learn how to use OSGi services and Java EE as the basis for enterprise applications and how to deploy them in the cloud. The presentation demonstrates how to build an enterprise application from scratch.
This video demonstrates how to install and configure your Windows XP system for Java EE Programming. The JDK as well as Eclipse and JGrasp are downloaded, installed and demonstrated. The JRE is also installed. This video will show you everything you need to do and configure so that you can …
Among the many new features and improvements introduced in Java EE 6, Context and Dependency Injection (CDI) introduces the most fundamental change, which will have a far-reaching impact on the way we build Java EE-based enterprise applications moving forward.
This videos shows how to build a simple User Registration and Authorization application and discusses different combinations of OSGi and Java EE development and deployment in GlassFish. The first step is to to deploy a simple OSGi service and client in GlassFish. Then the OSGi client is replaced by a …
