a) Creational Patterns
— Abstract Factory — Builder — Factory Method
— Prototype — Singleton
b) Structural Patterns
— Adapter — Bridge — Composite
— Decorator — Façade — Flyweight
— Proxy
c) Behavioral Patterns
— Chain of Responsibility— Command — Interpreter
— Iterator — Mediator — Memento
— Observer — State — Strategy
— Template Method — Visitor
d) J2EE Patterns
— MVC — Business Delegate — Composite Entity
— Data Access Object — Front Controller — Intercepting Filter
— Service Locator — Transfer Object
