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We provide design patterns trainings divided in two groups:

Core patterns
J2EE development design patterns

Core patterns include (selected patterns from GoF package) include some basic design patterns used throughout all modern applications and systems. They significantly increase productivity and decrease complexity of these applications introducing ready and checked ways to accomplish certain functionalities:

Creational patterns:

* Builder
* Factory
* Prototype
* Singleton

Structural patterns:
* Delegator
* Interface
* Facade
* Composite
* Immutable
* Adapter
* Decorator

Activity patterns:
* Interpreter
* Command
* Template method
* Observer
* Proxy

J2EE Patterns include (SUN Microsystems selected patterns). This selection of patterns helps to build and maintain complex and huge j2ee based projects. Following design patterns simplify design via introduction of multi-tier application design and well controlled responsibility flow View tier patterns:
* Intercepting filter
* Front controller
* Application controller
* View helper
* Composite view
* Dispatcher view

Business tier patterns:
* Business delegate
* Service locator
* Session facade
* Application service
* Business object
* Value object

Integration tier patterns:
* Data Access Object
* Service activator
* Web service broker